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Panasonic G100 vs Sony A7S III

The Panasonic Lumix DC-G100 (called Panasonic G110 in some regions) and the Sony Alpha 7S III are two digital cameras that were revealed to the public, respectively, in June 2020 and July 2020. Both the G100 and the A7S III are mirrorless interchangeable lens cameras that are based on a Four Thirds (G100) and a full frame (A7S III) sensor. The Panasonic has a resolution of 20.2 megapixels, whereas the Sony provides 12 MP.

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

Headline Specifications
Panasonic G100
versus
Sony A7S III
Panasonic G100   Sony A7S III
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
20.2 MP – Four Thirds sensor 12 MP – Full Frame sensor
4K/30p Video 4K/120p Video
ISO 200-25,600 ISO 80-102,400 (40 - 409,600)
Electronic viewfinder (3680k dots) Electronic viewfinder (9440k dots)
3.0" LCD – 1840k dots 3.0" LCD – 1440k dots
Swivel touchscreen Swivel touchscreen
10 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
270 shots per battery charge600 shots per battery charge
116 x 83 x 54 mm, 352 g 127 x 97 x 81 mm, 699 g
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Check G100 price at
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Check A7S III price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DC-G100 and the Sony Alpha 7S III? 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

An illustration of the physical size and weight of the Panasonic G100 and the Sony A7S III is provided in the side-by-side display below. 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.

Size Panasonic G100 vs Sony A7S III
Compare G100 versus A7S III top
Comparison G100 or A7S III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S III is notably larger (28 percent) than the Panasonic G100. Moreover, the A7S III is substantially heavier (99 percent) than the G100. It is noteworthy in this context that the A7S III is splash and dust-proof, while the G100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (G100) and the Sony FE Lens Catalog (A7S III). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the G100 gets 270 shots out of its Panasonic DMW-BLG10 battery, while the A7S III can take 600 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.
 
Panasonic G100 116 mm 83 mm 54 mm 352 g 270 n Jun 2020 US$ 649 amazon.com
2.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 amazon.com
3.
 
Panasonic G1 124 mm 84 mm 45 mm 360 g 410 n Sep 2008 US$ 599ebay.com
4.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 US$ 599ebay.com
5.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 US$ 599ebay.com
6.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 US$ 599ebay.com
7.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 US$ 599ebay.com
8.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 US$ 649ebay.com
9.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 US$ 999ebay.com
10.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 US$ 749ebay.com
11.
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 US$ 549ebay.com
12.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 US$ 699ebay.com
13.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 US$ 3 199ebay.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 US$ 3 499ebay.com
15.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 US$ 3 499 amazon.com
16.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 US$ 2 999ebay.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 US$ 4 499 amazon.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 obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G100 was launched at a markedly lower price (by 81 percent) than the A7S III, which puts it into a different market segment. 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 imaging sensor is a crucial determinant 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. 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 Panasonic G100 features a Four Thirds sensor and the Sony A7S III a full frame sensor. The sensor area in the A7S III is 276 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the G100 has a native 4:3 aspect ratio, while the one in the A7S III offers a 3:2 aspect.

Panasonic G100 and Sony A7S III sensor measures

Despite having a smaller sensor, the Panasonic G100 offers a higher resolution of 20.2 megapixels, compared with 12 MP of the Sony A7S III. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 8.40μm for the A7S III). It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. Coming back to sensor resolution, it should be mentioned that the G100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic G100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G100 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 Sony A7S III are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.

The A7S III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Panasonic Lumix DC-G100 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha 7S III are ISO 80 to ISO 102400, with the possibility to increase the ISO range to 40-409600.

In terms of underlying technology, the G100 is build around a Live MOS sensor, while the A7S III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

G100 versus A7S III 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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.
 
Panasonic G100 Four Thirds 20.2 5184 38884K/30p23.313.2139176
2.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
3.
 
Panasonic G1 Four Thirds 12.0 4000 3000none21.110.346353
4.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
5.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
6.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p21.411.661861
7.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
8.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p22.812.490471
9.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p23.213.0127375
10.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
11.
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
12.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
13.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
16.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7S III provides a faster frame rate than the G100. It can shoot movie footage at 4K/120p, while the Panasonic is limited to 4K/30p.

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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 A7S III offers a substantially higher resolution than the one in the G100 (9440k vs 3680k dots). The following table reports on some other key feature differences and similarities of the Panasonic G100, the Sony A7S III, 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.
 
Panasonic G1003680 n3.0 / 1840 swivel Y 1/500s 10.0/s Y n
2.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
3.
 
Panasonic G11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
4.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
5.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
6.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0/s Y n
7.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
8.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0/s Y n
9.
 
Panasonic G952360 n3.0 / 1240 swivel Y 1/4000s 9.0/s Y Y
10.
 
Panasonic GF1optional n3.0 / 460 fixed n 1/4000s 3.0/s Y n
11.
 
Panasonic GF2optional n3.0 / 460 fixed Y 1/4000s 2.6/s Y n
12.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2/s Y n
13.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n 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 G100 has one, while the A7S III does not. While the built-in flash of the G100 is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 Panasonic G100 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.

The G100 writes its imaging data to SDXC cards, while the A7S III uses CFexpress (type A) or SDXC cards. The A7S III features dual card slots, which can be very useful in case a memory card fails. In contrast, the G100 only has one slot. The A7S III supports UHS-II cards (on both slots), while the G100 can use UHS-I 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 Panasonic Lumix DC-G100 and Sony Alpha 7S III 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.
 
Panasonic G100Ystereo / monoYYmicro2.0Y-Y
2.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
3.
 
Panasonic G1Y- / ---mini2.0---
4.
 
Panasonic G2Ystereo / mono--mini2.0---
5.
 
Panasonic G3Ystereo / mono--mini2.0---
6.
 
Panasonic G5Ystereo / mono--mini2.0---
7.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
8.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
9.
 
Panasonic G95Ystereo / monoYYmicro2.0Y-Y
10.
 
Panasonic GF1Ymono / mono--mini2.0---
11.
 
Panasonic GF2Ystereo / mono--mini2.0---
12.
 
Panasonic GX1Ystereo / mono--mini2.0---
13.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
16.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY

Both the G100 and the A7S III are recent models that are part of the current product line-up. The G100 replaced the earlier Panasonic G95, while the A7S III followed on from the Sony A7S II. Further information on the features and operation of the G100 and A7S III can be found, respectively, in the Panasonic G100 Manual (free pdf) or the online Sony A7S III Manual.

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Review summary

So how do things add up? Which of the two cameras – the Panasonic G100 or the Sony A7S III – 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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Arguments in favor of the Panasonic Lumix DC-G100:

  • More detail: Offers more megapixels (20.2 vs 12MP) with a 27% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More detailed LCD: Has a higher resolution rear screen (1840k vs 1440k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (116x83mm vs 127x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 347g or 50 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (81 percent cheaper at launch).

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Reasons to prefer the Sony Alpha 7S III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher movie framerates (4K/120p versus 4K/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9440k vs 3680k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.91x vs 0.73x).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
  • Longer lasting: Gets more shots (600 versus 270) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • 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).

If the number of relative strengths (bullet points above) is taken as a guide, the A7S III is the clear winner of the contest (17 : 8 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.

G100 08:17 A7S III

How about other alternatives? Do the specifications of the Panasonic G100 and the Sony A7S III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 G100 and the A7S III in practical situations. 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 where reviews by experts come in. 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.
 
Panasonic G1004/5..4/578/1004/54/5 Jun 2020 US$ 649 amazon.com
2.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
3.
 
Panasonic G1..+ +..70/1004/54.5/5 Sep 2008 US$ 599ebay.com
4.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 US$ 599ebay.com
5.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 US$ 599ebay.com
6.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 US$ 599ebay.com
7.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 US$ 599ebay.com
8.
 
Panasonic G74/5+ +3.5/580/1005/54.5/5 May 2015 US$ 649ebay.com
9.
 
Panasonic G954.5/5+4.5/583/1004.5/54.5/5 Apr 2019 US$ 999ebay.com
10.
 
Panasonic GF1..85/100..69/1004.5/54.5/5 Sep 2009 US$ 749ebay.com
11.
 
Panasonic GF23/582/100..70/1004.5/54.5/5 Nov 2010 US$ 549ebay.com
12.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 US$ 699ebay.com
13.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 US$ 3 499ebay.com
15.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 US$ 3 499 amazon.com
16.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 US$ 2 999ebay.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 US$ 4 499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check G100 price at
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Check A7S III price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Panasonic G100 vs Sony A7S III

    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 Panasonic G100 Sony A7S III
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date June 2020 July 2020
    Launch Price USD 649 USD 3,499
    Sensor Specs Panasonic G100 Sony A7S III
    Sensor Technology Live MOS BSI-CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.6 x 23.8 mm
    Sensor Area 224.9 mm2 847.28 mm2
    Sensor Diagonal 21.6 mm 42.8 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 20.2 Megapixels 12 Megapixels
    Image Resolution 5184 x 3888 pixels 4240 x 2832 pixels
    Pixel Pitch 3.34 μm 8.40 μm
    Pixel Density 8.96 MP/cm2 1.42 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/120p Video
    ISO Setting 200 - 25,600 ISO 80 - 102,400 ISO
    ISO Boost 100 - 25,600 ISO 40 - 409,600 ISO
    Image Processor Venus BIONZ XR
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.9
    DXO Low Light (ISO) .. 2520
    Screen Specs Panasonic G100 Sony A7S III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.73x 0.91x
    Viewfinder Resolution 3680k dots 9440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1840k dots 1440k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Panasonic G100 Sony A7S III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/500s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexA or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Panasonic G100 Sony A7S III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Panasonic G100 Sony A7S III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Panasonic DMW-BLG10 Sony NP-FZ100
    Battery Life (CIPA)270 shots per charge600 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 116 x 83 x 54 mm
    (4.6 x 3.3 x 2.1 in)
    127 x 97 x 81 mm
    (5.0 x 3.8 x 3.2 in)
    Camera Weight 352 g (12.4 oz) 699 g (24.7 oz)
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    Check A7S III price at
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