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Panasonic GX850 vs Sony A7 II

The Panasonic Lumix DMC-GX850 (called Panasonic GX800 in some regions) and the Sony Alpha A7 II are two digital cameras that were announced, respectively, in January 2017 and November 2014. Both the GX850 and the A7 II are mirrorless interchangeable lens cameras that are based on a Four Thirds (GX850) and a full frame (A7 II) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Panasonic GX850
versus
Sony A7 II
Panasonic GX850   Sony A7 II
Mirrorless system camera Mirrorless system camera
Micro Four Thirds lenses Sony E mount lenses
15.8 MP, Four Thirds Sensor 24 MP, Full Frame Sensor
4K/30p Video 1080/60p Video
ISO 200-25,600 ISO 100-25,600 (50 - 51,200)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1230k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
10 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
210 shots per battery charge350 shots per battery charge
107 x 65 x 33 mm, 269 g 127 x 96 x 60 mm, 599 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GX850 and the Sony Alpha A7 II? 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.

Body comparison

An illustration of the physical size and weight of the Panasonic GX850 and the Sony A7 II is provided in the side-by-side display below. 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 GX850 can be obtained in three different colors (black, silver, red), while the A7 II is only available in black.

Size Panasonic GX850 vs Sony A7 II
Compare GX850 versus A7 II top
Comparison GX850 or A7 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 II is considerably larger (75 percent) than the Panasonic GX850. Moreover, the A7 II is substantially heavier (123 percent) than the GX850. It is noteworthy in this context that the A7 II is splash and dust-proof, while the GX850 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 (GX850) and the Sony FE Lens Catalog (A7 II). 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 GX850 gets 210 shots out of its DMW-BLH7 battery, while the A7 II can take 350 images on a single charge of its NP-FW50 power pack. The power pack in the A7 II can be charged via the USB port, 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GX850 107 mm 65 mm 33 mm 269 g 210 n Jan 2017 549 i
2.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
3.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599i
4.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499i
5.
 
Panasonic GF7 107 mm 65 mm 33 mm 266 g 230 n Jan 2015 499i
6.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
7.
 
Panasonic GF6 111 mm 65 mm 38 mm 323 g 340 n Apr 2013 499i
8.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599i
9.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499i
10.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 599i
11.
 
Panasonic GF3 108 mm 67 mm 32 mm 264 g 300 n Jun 2011 549i
12.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699i
13.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
14.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199i
16.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999i
17.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699i
Notes: 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 GX850 was launched at a markedly lower price (by 73 percent) than the A7 II, 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.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic GX850 features a Four Thirds sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 280 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 GX850 has a native 4:3 aspect ratio, while the one in the A7 II offers a 3:2 aspect.

Panasonic GX850 and Sony A7 II sensor measures

With 24MP, the A7 II offers a higher resolution than the GX850 (15.8MP), but the A7 II nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 3.77μm for the GX850) due to its larger sensor. However, the GX850 is a much more recent model (by 2 years and 1 month) than the A7 II, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the GX850 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 II 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 Panasonic GX850 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.

The A7 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Panasonic Lumix DMC-GX850 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 A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

GX850 versus A7 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A7 II offers substantially better image quality than the GX850 (overall score 17 points higher). The advantage is based on 1.7 bits higher color depth, 0.3 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic GX850 Four Thirds 15.8 4592 34484K/30p23.213.358673
2.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
3.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
4.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
5.
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p........
6.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
7.
 
Panasonic GF6 Four Thirds 15.8 4592 34481080/60i20.710.662254
8.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p........
9.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i21.411.661861
10.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
11.
 
Panasonic GF3 Four Thirds 12.0 4000 30001080/60i20.610.045849
12.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
13.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
14.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
17.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890

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 GX850 provides a higher video resolution than the A7 II. It can shoot video footage at 4K/30p, while the Sony is limited to 1080/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the GX850 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Panasonic GX850 and Sony A7 II in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Panasonic GX850none n3.0 / 1040 tilting Y 1/500s 10.0 Y n
2.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0 n Y
3.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0 n Y
4.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0 n Y
5.
 
Panasonic GF7none n3.0 / 1040 tilting Y 1/500s 5.8 Y n
6.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0 Y n
7.
 
Panasonic GF6none n3.0 / 1040 tilting Y 1/4000s 4.2 Y n
8.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0 Y n
9.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0 Y n
10.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0 Y n
11.
 
Panasonic GF3none n3.0 / 460 fixed Y 1/4000s 3.2 Y n
12.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2 Y n
13.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0 n Y
14.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0 n Y
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0 n Y
16.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0 n Y
17.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0 n n

One difference between the cameras concerns the presence of an on-board flash. The GX850 has one, while the A7 II does not. While the built-in flash of the GX850 is not very powerful, it can at times be useful as a fill-in light.

The GX850 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 A7 II 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, the GX850 is one of those camera that have an additional 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 GX850 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 GX850 writes its imaging data to SDXC cards, while the A7 II uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 DMC-GX850 and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic GX850-stereo / mono--micro2.0Y--
2.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
3.
 
Olympus E-PL5Ystereo / mono--mini2.0---
4.
 
Olympus E-PM2Ystereo / mono--mini2.0---
5.
 
Panasonic GF7-stereo / mono--micro2.0YY-
6.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
7.
 
Panasonic GF6-stereo / mono--mini2.0YY-
8.
 
Panasonic G5Ystereo / mono--mini2.0---
9.
 
Panasonic GF5-stereo / mono--mini2.0---
10.
 
Panasonic G3Ystereo / mono--mini2.0---
11.
 
Panasonic GF3-stereo / mono--mini2.0---
12.
 
Panasonic GX1Ystereo / mono--mini2.0---
13.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A9Ystereo / monoYYmicro2.0YYY
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A7Ystereo / monoYYmicro2.0YY-

It is notable that the A7 II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The GX850 lacks such a headphone port.

The GX850 is a recent model that features in the current product line-up of Panasonic. In contrast, the A7 II has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7 II was succeeded by the Sony A7 III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Sony websites.

Review summary

So what conclusions can be drawn? Is the Panasonic GX850 better than the Sony A7 II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Panasonic Lumix DMC-GX850:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • 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 (10 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (107x65mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 330g or 55 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 (73 percent cheaper at launch).
  • More modern: Reflects 2 years and 1 month of technical progress since the A7 II launch.

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Reasons to prefer the Sony Alpha A7 II:

  • More detail: Has more megapixels (24 vs 15.8MP), which boosts linear resolution by 26%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • Better low-light sensitivity: Can shoot in dim conditions (2.1 stops ISO advantage).
  • 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.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/500s) to freeze action.
  • Longer lasting: Gets more shots (350 versus 210) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been around for much longer (launched in November 2014).

If the count of relative strengths (bullet points above) is taken as a measure, the A7 II is the clear winner of the contest (18 : 12 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GX850 12:18 A7 II

How about other alternatives? Do the specifications of the Panasonic GX850 and the Sony A7 II 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GX850 or the A7 II. 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 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic GX850..+..76/1004.5/54.5/5 Jan 2017 549 i
2.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999i
3.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599i
4.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499i
5.
 
Panasonic GF74/5+....4.5/54.5/5 Jan 2015 499i
6.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599i
7.
 
Panasonic GF6..+ +....4.5/54.5/5 Apr 2013 499i
8.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599i
9.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 499i
10.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 599i
11.
 
Panasonic GF33/582/100..71/1004.5/54/5 Jun 2011 549i
12.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699i
13.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
14.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499i
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199i
16.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999i
17.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699i
Notes: (+ +) 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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Panasonic GX850:
Check Amazon price
Sony A7 II:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Panasonic GX850 vs Sony A7 II

    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 GX850 Sony A7 II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Micro Four Thirds lenses Sony E mount lenses
    Launch Date January 2017 November 2014
    Launch Price USD 549 USD 1,999
    Sensor Specs Panasonic GX850 Sony A7 II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.8 x 23.9 mm
    Sensor Area 224.9 mm2 855.62 mm2
    Sensor Diagonal 21.6 mm 43 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 15.8 Megapixels 24 Megapixels
    Image Resolution 4592 x 3448 pixels 6000 x 4000 pixels
    Pixel Pitch 3.77 μm 5.97 μm
    Pixel Density 7.04 MP/cm2 2.80 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 200 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO 50 - 51,200 ISO
    Image Processor Venus BIONZ X
    DXO Sensor Quality (score) 73 90
    DXO Color Depth (bits) 23.2 24.9
    DXO Dynamic Range (EV) 13.3 13.6
    DXO Low Light (ISO) 586 2449
    Screen Specs Panasonic GX850 Sony A7 II
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1230k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GX850 Sony A7 II
    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 5 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    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 MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic GX850 Sony A7 II
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Panasonic GX850 Sony A7 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLH7 NP-FW50
    Battery Life (CIPA)210 shots per charge350 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 107 x 65 x 33 mm
    (4.2 x 2.6 x 1.3 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 269 g (9.5 oz) 599 g (21.1 oz)

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