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Olympus E-M1 III vs Panasonic LX100

The Olympus OM-D E-M1 Mark III and the Panasonic Lumix DMC-LX100 are two enthusiast cameras that were revealed to the public, respectively, in February 2020 and September 2014. The E-M1 III is a mirrorless interchangeable lens camera, while the LX100 is a fixed lens compact. Both cameras are equipped with a Four Thirds sensor. The Olympus has a resolution of 20.2 megapixels, whereas the Panasonic provides 12.7 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus E-M1 III
versus
Panasonic LX100
Olympus E-M1 III   Panasonic LX100
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 24-75mm f/1.7-2.8
20.2 MP – Four Thirds sensor 12.7 MP – Four Thirds sensor
4K/30p Video 4K/30p Video
ISO 200-25,600 ISO 200-25,600
Electronic viewfinder (2360k dots) Electronic viewfinder (2764k dots)
3.0" LCD – 1037k dots 3.0" LCD – 921k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
18 shutter flaps per second 11 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
420 shots per battery charge300 shots per battery charge
134 x 91 x 69 mm, 580 g 115 x 66 x 55 mm, 393 g
logo
Check E-M1 III offers at
ebay.com
logo
Check LX100 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 Mark III and the Panasonic Lumix DMC-LX100? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Olympus E-M1 III and the Panasonic LX100. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The LX100 can be obtained in two different colors (black, silver), while the E-M1 III is only available in black.

Size Olympus E-M1 III vs Panasonic LX100
Compare E-M1 III versus LX100 top
Comparison E-M1 III or LX100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic LX100 is considerably smaller (38 percent) than the Olympus E-M1 III. It is worth mentioning in this context that the E-M1 III is splash and dust resistant, while the LX100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the LX100 has a lens built in, whereas the E-M1 III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M1 III and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the E-M1 III gets 420 shots out of its Olympus BLH-1 battery, while the LX100 can take 300 images on a single charge of its Panasonic DMW-BLG10 power pack. The power pack in the E-M1 III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 EUR 1 799ebay.com
2.
 
Panasonic LX100 115 mm 66 mm 55 mm 393 g 300 n Sep 2014 EUR 799ebay.com
3.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 EUR 849ebay.com
4.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 EUR 2 199 amazon.com
5.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 EUR 1 999ebay.com
6.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 EUR 2 999ebay.com
7.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 EUR 1 199ebay.com
8.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 EUR 2 199ebay.com
9.
 
OM System OM-3 139 mm 89 mm 46 mm 496 g 590 Y Feb 2025 EUR 1 999 amazon.com
10.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 EUR 899ebay.com
11.
 
Panasonic G9 137 mm 97 mm 92 mm 658 g 400 Y Nov 2017 EUR 1 699ebay.com
12.
 
Panasonic G90 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 EUR 999ebay.com
13.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 EUR 799ebay.com
14.
 
Panasonic GH5 II 139 mm 98 mm 87 mm 727 g 400 Y May 2021 EUR 1 699 amazon.com
15.
 
Panasonic LX100 II 115 mm 66 mm 65 mm 392 g 300 n Aug 2018 EUR 949ebay.com
16.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 EUR 2 099 amazon.com
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 EUR 1 149ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The LX100 was launched at a lower price than the E-M1 III, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a Four Thirds sensor, but their sensors differ slightly in size. The sensor area in the LX100 is 18 percent smaller. As a result of these sensor size differences, the cameras have format factors, respectively, of 2.0 (E-M1 III) and 2.2. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3. The LX100 has the particularity of featuring a switch that allows to toggle between multiple aspect ratios, while maintaining the same field of view and full image resolution.

Olympus E-M1 III and Panasonic LX100 sensor measures

With 20.2MP, the E-M1 III offers a higher resolution than the LX100 (12.7MP), but the E-M1 III has smaller individual pixels (pixel pitch of 3.34μm versus 3.82μm for the LX100). However, the E-M1 III is a much more recent model (by 5 years and 4 months) than the LX100, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M1 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1 III for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Panasonic LX100 are 20.6 x 15.4 inches or 52.2 x 39.2 cm for good quality, 16.4 x 12.4 inches or 41.8 x 31.4 cm for very good quality, and 13.7 x 10.3 inches or 34.8 x 26.1 cm for excellent quality prints.

The E-M1 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the LX100, the E-M1 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus OM-D E-M1 Mark III has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Panasonic Lumix DMC-LX100 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

E-M1 III versus LX100 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
2.
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367
3.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
4.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
5.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
6.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p23.213.0125475
7.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
8.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
9.
 
OM System OM-3 Four Thirds 20.2 5184 38884K/60p23.413.7185278
10.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
11.
 
Panasonic G9 Four Thirds 20.2 5184 38884K/60p23.112.8113874
12.
 
Panasonic G90 Four Thirds 20.2 5184 38884K/30p23.213.0127375
13.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
14.
 
Panasonic GH5 II Four Thirds 20.2 5184 38884K/60p23.713.1113679
15.
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p22.812.797972
16.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the LX100 offers a higher resolution than the one in the E-M1 III (2764k vs 2360k dots). The following table reports on some other key feature differences and similarities of the Olympus E-M1 III, the Panasonic LX100, and comparable cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
2.
 
Panasonic LX1002764 n3.0 / 921 fixed n 1/4000s 11.0/s n Y
3.
 
Canon G1 X Mark IIoptional n3.0 / 1040 tilting Y 1/4000s 5.2/s Y Y
4.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
5.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
6.
 
Olympus E-M1X2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
7.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
8.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
9.
 
OM System OM-32360 n3.0 / 1640 swivel Y 1/8000s 6.0/s n Y
10.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
11.
 
Panasonic G93680 Y3.0 / 1040 swivel Y 1/8000s 20.0/s n Y
12.
 
Panasonic G902360 n3.0 / 1240 swivel Y 1/4000s 9.0/s Y Y
13.
 
Panasonic GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
14.
 
Panasonic GH5 II3680 n3.0 / 1840 swivel Y 1/8000s 12.0/s n Y
15.
 
Panasonic LX100 II2764 n3.0 / 1240 fixed Y 1/4000s 11.0/s n Y
16.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
17.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M1 III has a touchscreen, while the LX100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-M1 III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the LX100 does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, both cameras under consideration feature an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1 III and the Panasonic LX100 both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the E-M1 III and the LX100 write their files to SDXC cards. The E-M1 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the LX100 only has one slot. The E-M1 III supports UHS-II cards (on its first slot), while the LX100 can use UHS-I cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus OM-D E-M1 Mark III and Panasonic Lumix DMC-LX100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
2.
 
Panasonic LX100Ystereo / mono--micro2.0YY-
3.
 
Canon G1 X Mark IIYstereo / mono--mini2.0YY-
4.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
5.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
6.
 
Olympus E-M1XYstereo / monoYYmicro3.0Y-Y
7.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
8.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
9.
 
OM System OM-3Ystereo / monoYYmicro3.0Y-Y
10.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
11.
 
Panasonic G9Ystereo / monoYYfull3.0Y-Y
12.
 
Panasonic G90Ystereo / monoYYmicro2.0Y-Y
13.
 
Panasonic GH1Ystereo / -Y-mini2.0---
14.
 
Panasonic GH5 IIYstereo / monoYYfull3.2Y-Y
15.
 
Panasonic LX100 IIYstereo / mono--micro2.0Y-Y
16.
 
Sony A7CYstereo / monoYYmicro3.2YYY
17.
 
Sony RX100 IV-stereo / mono--micro2.0YY-

It is notable that the E-M1 III has a microphone port, which is missing on the LX100. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Olympus E-M1 III (unlike the LX100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M1 III and the LX100 have been discontinued, but can regularly be found used on ebay. The LX100 was replaced by the Panasonic LX100 II, while the E-M1 III was followed by the OM System OM-1. Further information on the features and operation of the E-M1 III and LX100 can be found, respectively, in the Olympus E-M1 III Manual (free pdf) or the online Panasonic LX100 Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Olympus E-M1 III or the Panasonic LX100 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus OM-D E-M1 Mark III:

  • More detail: Offers more megapixels (20.2 vs 12.7MP) with a 26% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (18 vs 11 flaps/sec) to capture the decisive moment.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (420 versus 300) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 5 years and 4 months of technical progress since the LX100 launch.

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Arguments in favor of the Panasonic Lumix DMC-LX100:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Flexible image proportions: Has a multi-aspect sensor that allows for alternative image shapes.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2764k vs 2360k dots).
  • Ready to shoot: Has an integrated lens, whereas the E-M1 III necessitates an extra lens.
  • More compact: Is smaller (115x66mm vs 134x91mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-M1 III).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been around for much longer (launched in September 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 III is the clear winner of the match-up (27 : 9 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M1 III 27:09 LX100

How about other alternatives? Do the specifications of the Olympus E-M1 III and the Panasonic LX100 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-M1 III or the LX100. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 EUR 1 799ebay.com
2.
 
Panasonic LX1005/5+ +..85/1005/55/5 Sep 2014 EUR 799ebay.com
3.
 
Canon G1 X Mark II3/5+..77/1004/54.5/5 Feb 2014 EUR 849ebay.com
4.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 EUR 2 199 amazon.com
5.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 EUR 1 999ebay.com
6.
 
Olympus E-M1X4.5/5o5/585/1004.5/5.. Jan 2019 EUR 2 999ebay.com
7.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 EUR 1 199ebay.com
8.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 EUR 2 199ebay.com
9.
 
OM System OM-3......86/100.... Feb 2025 EUR 1 999 amazon.com
10.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 EUR 899ebay.com
11.
 
Panasonic G9..+ +5/585/1005/55/5 Nov 2017 EUR 1 699ebay.com
12.
 
Panasonic G904.5/5+4.5/583/1004.5/54.5/5 Apr 2019 EUR 999ebay.com
13.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 EUR 799ebay.com
14.
 
Panasonic GH5 II4.5/5..4.5/585/1004.5/55/5 May 2021 EUR 1 699 amazon.com
15.
 
Panasonic LX100 II4.5/5+4.2/582/1004.5/54.5/5 Aug 2018 EUR 949ebay.com
16.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 EUR 2 099 amazon.com
17.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 EUR 1 149ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check E-M1 III offers at
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Check LX100 offers at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M1 III vs Panasonic LX100

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Olympus E-M1 III Panasonic LX100
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 24-75mm f/1.7-2.8
    Launch Date February 2020 September 2014
    Launch Price USD 1,799 USD 899
    Sensor Specs Olympus E-M1 III Panasonic LX100
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm 15.7 x 11.8 mm
    Sensor Area 224.9 mm2 185.26 mm2
    Sensor Diagonal 21.6 mm 19.6 mm
    Crop Factor 2.0x 2.2x
    Sensor Resolution 20.2 Megapixels 12.7 Megapixels
    Image Resolution 5184 x 3888 pixels 4112 x 3088 pixels
    Pixel Pitch 3.34 μm 3.82 μm
    Pixel Density 8.96 MP/cm2 6.85 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 25,600 ISO 200 - 25,600 ISO
    ISO Boost 64 - 25,600 ISO 100 - 25,600 ISO
    Image Processor TruePic IX Venus
    DXO Sensor Quality (score) .. 67
    DXO Color Depth (bits) .. 22.3
    DXO Dynamic Range (EV) .. 12.5
    DXO Low Light (ISO) .. 553
    Screen Specs Olympus E-M1 III Panasonic LX100
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.74x 0.70x
    Viewfinder Resolution 2360k dots 2764k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 921k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M1 III Panasonic LX100
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 18 shutter flaps/s 11 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Olympus E-M1 III Panasonic LX100
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Olympus E-M1 III Panasonic LX100
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Olympus BLH-1 Panasonic DMW-BLG10
    Battery Life (CIPA)420 shots per charge300 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 134 x 91 x 69 mm
    (5.3 x 3.6 x 2.7 in)
    115 x 66 x 55 mm
    (4.5 x 2.6 x 2.2 in)
    Camera Weight 580 g (20.5 oz) 393 g (13.9 oz)
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