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Canon G1 X Mark III vs Olympus E-PM1

The Canon PowerShot G1 X Mark III and the Olympus PEN E-PM1 are two digital cameras that were officially introduced, respectively, in October 2017 and June 2011. The G1X Mark III is a fixed lens compact, while the E-PM1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (G1X Mark III) and a Four Thirds (E-PM1) sensor. The Canon has a resolution of 24 megapixels, whereas the Olympus provides 12.2 MP.

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

Headline Specifications
Canon G1 X Mark III
versus
Olympus E-PM1
Canon G1 X Mark III   Olympus E-PM1
Fixed lens compact camera Mirrorless system camera
24-72mm f/2.8-5.6 Micro Four Thirds lenses
24 MP – APS-C sensor 12.2 MP – Four Thirds sensor
1080/60p Video 1080/60i Video
ISO 100-25,600 ISO 100-12,800
Electronic viewfinder (2360k dots) Viewfinder optional
3.0" LCD – 1040k dots 3.0" LCD – 460k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
9 shutter flaps per second 5.5 shutter flaps per second
Lens-based stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
200 shots per battery charge330 shots per battery charge
115 x 78 x 51 mm, 399 g 110 x 64 x 34 mm, 265 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X Mark III and the Olympus PEN E-PM1? 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 Canon G1 X Mark III and the Olympus E-PM1. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The E-PM1 can be obtained in six different colors (black, silver, brown, pink, purple, white), while the G1X Mark III is only available in black.

Size Canon G1 X Mark III vs Olympus E-PM1
Compare G1X Mark III versus E-PM1 top
Comparison G1X Mark III or E-PM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-PM1 is notably smaller (22 percent) than the Canon G1 X Mark III. It is worth mentioning in this context that the G1X Mark III is splash and dust resistant, while the E-PM1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark III has a lens built in, whereas the E-PM1 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-PM1 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the G1X Mark III gets 200 shots out of its Canon NB-13L battery, while the E-PM1 can take 330 images on a single charge of its Olympus BLS-5 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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.
 
Canon G1 X Mark III 115 mm 78 mm 51 mm 399 g 200 Y Oct 2017 US$ 1 299ebay.com
2.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 US$ 499ebay.com
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 US$ 1 999 amazon.com
4.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 US$ 1 199ebay.com
5.
 
Canon SX540 120 mm 82 mm 92 mm 442 g 205 n Jan 2016 US$ 399ebay.com
6.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 US$ 1 299ebay.com
8.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 US$ 1 399ebay.com
9.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 US$ 1 299 amazon.com
10.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 US$ 599ebay.com
11.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 US$ 599ebay.com
12.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 US$ 599ebay.com
13.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 US$ 499ebay.com
14.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 US$ 599ebay.com
15.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 US$ 999ebay.com
16.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 US$ 1 399ebay.com
17.
 
Sony RX10 III 133 mm 94 mm 127 mm 1051 g 420 Y Mar 2016 US$ 1 499ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. 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.

Sensor comparison

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

Of the two cameras under consideration, the Canon G1 X Mark III features an APS-C sensor and the Olympus E-PM1 a Four Thirds sensor. The sensor area in the E-PM1 is 32 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the G1X Mark III has a native 3:2 aspect ratio, while the one in the E-PM1 offers a 4:3 aspect.

Canon G1 X Mark III and Olympus E-PM1 sensor measures

With 24MP, the G1X Mark III offers a higher resolution than the E-PM1 (12.2MP), but the G1X Mark III has smaller individual pixels (pixel pitch of 3.72μm versus 4.29μm for the E-PM1). However, the G1X Mark III is a much more recent model (by 6 years and 3 months) than the E-PM1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon G1 X Mark III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G1X Mark III for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-PM1 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The G1X Mark III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon PowerShot G1 X Mark III has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Olympus PEN E-PM1 are ISO 100 to ISO 12800 (no boost).

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.

G1X Mark III versus E-PM1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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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.
 
Canon G1 X Mark III APS-C 24.0 6000 40001080/60p23.813.2164981
2.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
4.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
5.
 
Canon SX540 1/2.3 20.2 5184 38881080/60p20.311.780648
6.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p24.013.4185383
7.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p23.913.2170481
8.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
9.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
10.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
11.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
12.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
13.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
14.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
15.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
16.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
17.
 
Sony RX10 III 1-inch 20.0 5472 36484K/30p23.112.647270
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 are equipped with sensors that have a sufficiently high read-out speed for moving images, but the G1X Mark III provides a higher frame rate than the E-PM1. It can shoot video footage at 1080/60p, while the Olympus is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the G1X Mark III has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the E-PM1 relies on live view and the rear LCD for framing. That said, the E-PM1 can be equipped with an optional viewfinder – the VF-2. The table below summarizes some of the other core capabilities of the Canon G1 X Mark III and Olympus E-PM1 in connection with corresponding information for a sample of similar 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.
 
Canon G1 X Mark III2360 n3.0 / 1040 swivel Y 1/2000s 9.0/s Y Y
2.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
3.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
4.
 
Canon 80Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
5.
 
Canon SX540none n3.0 / 461 fixed n 1/2000s 5.9/s Y Y
6.
 
Fujifilm X-T33690 n3.0 / 1040 full-flex Y 1/8000s 11.0/s n n
7.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
8.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
9.
 
Nikon D7500optical Y3.2 / 922 tilting Y 1/8000s 8.0/s Y n
10.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
11.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
12.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
13.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
14.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
15.
 
Sony A63002359 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
16.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
17.
 
Sony RX10 III2359 Y3.0 / 1229 tilting n 1/2000s 14.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The G1X Mark III has one, while the E-PM1 does not. While the built-in flash of the G1X Mark III is not very powerful, it can at times be useful as a fill-in light.

The G1X Mark 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 E-PM1 does not have a selfie-screen.

The Canon G1 X Mark III has 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 G1X Mark III and the E-PM1 write their files to SDXC cards. The G1X Mark III supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the E-PM1 cannot take advantage of Ultra High Speed SD cards.

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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 Canon PowerShot G1 X Mark III and Olympus PEN E-PM1 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.
 
Canon G1 X Mark IIIYstereo / mono--micro2.0YYY
2.
 
Olympus E-PM1Ystereo / mono--mini2.0---
3.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
4.
 
Canon 80DYstereo / monoYYmini2.0YY-
5.
 
Canon SX540-stereo / mono--mini2.0YY-
6.
 
Fujifilm X-T3Ystereo / monoYYmicro3.1Y-Y
7.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
8.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
9.
 
Nikon D7500Ystereo / monoYYmini2.0Y-Y
10.
 
Olympus E-PL1Ystereo / ---mini2.0---
11.
 
Olympus E-PL2Ystereo / ---mini2.0---
12.
 
Olympus E-PL3Ystereo / ---mini2.0---
13.
 
Olympus E-PM2Ystereo / mono--mini2.0---
14.
 
Panasonic G2Ystereo / mono--mini2.0---
15.
 
Sony A6300Ystereo / monoY-micro2.0YY-
16.
 
Sony A6500Ystereo / monoY-micro2.0YY-
17.
 
Sony RX10 IIIYstereo / monoYYmicro2.0YY-

It is notable that the G1X Mark III offers wifi support, while the E-PM1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the G1X Mark III and the E-PM1 have been discontinued, but can regularly be found used on ebay. The E-PM1 was replaced by the Olympus E-PM2, while the G1X Mark III does not have a direct successor. Further information on the features and operation of the G1X Mark III and E-PM1 can be found, respectively, in the Canon G1 X Mark III Manual (free pdf) or the online Olympus E-PM1 Manual.

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Review summary

So how do things add up? Is the Canon G1 X Mark III better than the Olympus E-PM1 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Canon PowerShot G1 X Mark III:

  • More detail: Offers more megapixels (24 vs 12.2MP) with a 43% higher linear resolution.
  • 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 video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 460k 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 burst: Shoots at higher frequency (9 vs 5.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the E-PM1 requires a separate lens.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 6 years and 3 months of technical progress since the E-PM1 launch.

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Advantages of the Olympus PEN E-PM1:

  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • More compact: Is smaller (110x64mm vs 115x78mm) and will fit more readily into a bag.
  • Longer lasting: Gets more shots (330 versus 200) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in June 2011).

If the count of individual advantages (bullet points above) is taken as a guide, the G1X Mark III is the clear winner of the match-up (22 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G1X Mark III 22:05 E-PM1

How about other alternatives? Do the specifications of the Canon G1 X Mark III and the Olympus E-PM1 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the G1X Mark III and the E-PM1 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera 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.
 
Canon G1 X Mark III5/5+4/579/1004.5/54.5/5 Oct 2017 US$ 1 299ebay.com
2.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 US$ 499ebay.com
3.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 US$ 1 999 amazon.com
4.
 
Canon 80D4/5+ +4.5/584/1004.5/54.5/5 Feb 2016 US$ 1 199ebay.com
5.
 
Canon SX540............ Jan 2016 US$ 399ebay.com
6.
 
Fujifilm X-T35/5+ +4.5/588/1005/55/5 Sep 2018 US$ 1 499ebay.com
7.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 US$ 1 299ebay.com
8.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 US$ 1 399ebay.com
9.
 
Nikon D75004.5/5+ +4.5/586/1005/54.5/5 Apr 2017 US$ 1 299 amazon.com
10.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 US$ 599ebay.com
11.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 US$ 599ebay.com
12.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 US$ 599ebay.com
13.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 US$ 499ebay.com
14.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 US$ 599ebay.com
15.
 
Sony A63004.5/5+..85/1005/55/5 Feb 2016 US$ 999ebay.com
16.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 US$ 1 399ebay.com
17.
 
Sony RX10 III5/5+..84/1004.5/54.5/5 Mar 2016 US$ 1 499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, 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: Canon G1 X Mark III vs Olympus E-PM1

    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 Canon G1 X Mark III Olympus E-PM1
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-72mm f/2.8-5.6 Micro Four Thirds lenses
    Launch Date October 2017 June 2011
    Launch Price USD 1,299 USD 499
    Sensor Specs Canon G1 X Mark III Olympus E-PM1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.3 x 14.9 mm 17.3 x 13.0 mm
    Sensor Area 332.27 mm2 224.9 mm2
    Sensor Diagonal 26.8 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 24 Megapixels 12.2 Megapixels
    Image Resolution 6000 x 4000 pixels 4032 x 3024 pixels
    Pixel Pitch 3.72 μm 4.29 μm
    Pixel Density 7.22 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60i Video
    ISO Setting 100 - 25,600 ISO 100 - 12,800 ISO
    Image Processor DIGIC 7 TruePic VI
    DXO Sensor Quality (score) .. 52
    DXO Color Depth (bits) .. 21.0
    DXO Dynamic Range (EV) .. 10.3
    DXO Low Light (ISO) .. 499
    Screen Specs Canon G1 X Mark III Olympus E-PM1
    Viewfinder Type Electronic viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 460k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G1 X Mark III Olympus E-PM1
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 9 shutter flaps/s 5.5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon G1 X Mark III Olympus E-PM1
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon G1 X Mark III Olympus E-PM1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon NB-13L Olympus BLS-5
    Battery Life (CIPA)200 shots per charge330 shots per charge
    Body Dimensions 115 x 78 x 51 mm
    (4.5 x 3.1 x 2.0 in)
    110 x 64 x 34 mm
    (4.3 x 2.5 x 1.3 in)
    Camera Weight 399 g (14.1 oz) 265 g (9.3 oz)
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