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Panasonic GX7 vs Sony A77 II

The Panasonic Lumix DMC-GX7 and the Sony Alpha SLT-A77 II are two enthusiast cameras that were revealed to the public, respectively, in August 2013 and May 2014. The GX7 is a mirrorless interchangeable lens camera, while the A77 II is a DSLR. The cameras are based on a Four Thirds (GX7) and an APS-C (A77 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 GX7 versus Sony A77 II
Panasonic GX7 Sony A77 II
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Sony A mount lenses
15.8 MP, Four Thirds Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/60p Video
ISO 125-25,600 ISO 100-25,600 (50 - 51,200)
Electronic viewfinder (2760k dots) Electronic viewfinder (2359k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1229k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
5 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
350 shots per battery charge480 shots per battery charge
123 x 71 x 55 mm, 402 g 143 x 104 x 81 mm, 647 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GX7 and the Sony Alpha SLT-A77 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 GX7 and the Sony A77 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 GX7 can be obtained in two different colors (black, silver), while the A77 II is only available in black.

Size Panasonic GX7 vs Sony A77 II
Compare GX7 versus A77 II top
Comparison GX7 or A77 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 II is considerably larger (70 percent) than the Panasonic GX7. Moreover, the A77 II is substantially heavier (61 percent) than the GX7. It is noteworthy in this context that the A77 II is splash and dust-proof, while the GX7 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the GX7 gets 350 shots out of its DMW-BLG10 battery, while the A77 II can take 480 images on a single charge of its NP-FM500H power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999i
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 i
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999 i
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199i
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099i
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649i
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699i
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599i
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999i
 
Panasonic GX80 122 mm 71 mm 44 mm 426 g 290 n Apr 2016 799 i
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699i
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899i
 
Sony A68 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699i
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 GX7 was launched at a somewhat lower price (by 17 percent) than the A77 II, which makes it more attractive for photographers on a tight budget. 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 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic GX7 features a Four Thirds sensor and the Sony A77 II an APS-C sensor. The sensor area in the A77 II is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GX7 has a native 4:3 aspect ratio, while the one in the A77 II offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Panasonic GX7 and Sony A77 II sensor measures

With 24MP, the A77 II offers a higher resolution than the GX7 (15.8MP), but the A77 II nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.77μm for the GX7) due to its larger sensor. Moreover, the A77 II is a somewhat more recent model (by 8 months) than the GX7, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A77 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 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 GX7 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 Panasonic Lumix DMC-GX7 has a native sensitivity range from ISO 125 to ISO 25600. The corresponding ISO settings for the Sony Alpha SLT-A77 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

GX7 versus A77 II 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 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
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
 
Sony A77 II APS-C 24.0 6000 40001080/60p........
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
 
Panasonic GX80 Four Thirds 15.8 4592 34484K/30p22.912.666271
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178

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, and both provide the same movie specifications (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the GX7 offers a higher resolution than the one in the A77 II (2760k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Panasonic GX7, the Sony A77 II, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(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
 
Panasonic GX72760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y
 
Canon G3 Xoptional n 3.2 1620 tilting Y 1/2000s 5.9 Y Y
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M10 II2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y
 
Olympus E-M101440 n 3.0 1037 tilting Y 1/4000s 8.0 Y Y
 
Olympus E-PL7optional n 3.0 1037 tilting Y 1/4000s 8.0 n Y
 
Olympus E-P5optional n 3.0 1037 tilting Y 1/8000s 9.0 Y Y
 
Panasonic GX802765 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n
 
Panasonic GX1optional n 3.0 460 fixed Y 1/4000s 4.2 Y n
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GX7 has a touchscreen, while the A77 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The A77 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the GX7 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 GX7 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 GX7 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 GX7 writes its imaging data to SDXC cards, while the A77 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-GX7 and Sony Alpha SLT-A77 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Panasonic GX7Ystereomono--mini2.0YY-
 
Sony A77 IIYstereomonoY-mini2.0YY-
 
Canon G3 XYstereomonoYYmini2.0YY-
 
Nikon D7200YstereomonoYYmini2.0YY-
 
Olympus PEN-FYstereomono--micro2.0Y--
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--
 
Olympus E-M10 IIYstereomono--micro2.0Y--
 
Olympus E-M10Ystereomono--micro2.0Y--
 
Olympus E-PL7Ystereomono--micro2.0Y--
 
Olympus E-P5Ystereomono--micro2.0Y--
 
Panasonic GX80Ystereomono--micro2.0Y--
 
Panasonic G6YstereomonoY-mini2.0YY-
 
Panasonic GX1Ystereomono--mini2.0---
 
Panasonic GH2YstereomonoY-mini2.0---
 
Sony A68YstereomonoY-micro2.0---
 
Sony A7 IIYstereomonoYYmicro2.0YY-
 
Sony A77YstereomonoY-mini2.0---

It is notable that the A77 II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The GX7 does not feature such a mic input.

Studio photographers will appreciate that the Sony A77 II (unlike the GX7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A77 II is a recent model that features in the current product line-up of Sony. In contrast, the GX7 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the GX7 was succeeded by the Panasonic GX85. 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 how do things add up? Is the Panasonic GX7 better than the Sony A77 II or vice versa? 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 DMC-GX7:

  • More detailed viewfinder: Has higher resolution electronic viewfinder (2760k vs 2359k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • 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 (123x71mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 245g or 38 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced segment (17 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in August 2013).

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Reasons to prefer the Sony Alpha SLT-A77 II:

  • More detail: Has more megapixels (24 vs 15.8MP), which boosts linear resolution by 26%.
  • Better image quality: Is equipped with a larger and more technologically advanced 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 sound: Can connect to an external microphone for higher quality sound recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.70x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 1040k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (12 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (480 versus 350) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More modern: Was introduced somewhat (8 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A77 II is the clear winner of the contest (16 : 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.

GX7 09:16 A77 II

How about other alternatives? Do the specifications of the Panasonic GX7 and the Sony A77 II place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 GX7 and the A77 II 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Panasonic GX7+79/1005/54.5/55/5 Aug 2013 999i
 
Sony A77 II..80/1004.5/54/55/5 May 2014 1,199 i
 
Canon G3 X+..4.5/53.5/54/5 Jun 2015 999 i
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199i
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199i
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099i
 
Olympus E-M10 II+ +80/1005/55/55/5 Aug 2015 649i
 
Olympus E-M10..80/1005/54.5/55/5 Jan 2014 699i
 
Olympus E-PL7+..5/54.5/54/5 Aug 2014 599i
 
Olympus E-P5+ +78/1004.5/54.5/55/5 May 2013 999i
 
Panasonic GX80+ +82/1005/54.5/55/5 Apr 2016 799 i
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599i
 
Panasonic GX1+77/1004.5/54.5/54.5/5 Nov 2011 699i
 
Panasonic GH2+ +79/1004.5/54.5/55/5 Sep 2010 899i
 
Sony A68....4/5..4/5 Nov 2015 699i
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999i
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399i
Notes: (+ +) 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Panasonic GX7:
Check Ebay offers
Sony A77 II:
Check Amazon price

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.

~

    Specifications: Panasonic GX7 vs Sony A77 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 GX7 Sony A77 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Sony A mount lenses
    Launch Date August 2013 May 2014
    Launch Price USD 999 USD 1,199
    Sensor Specs Panasonic GX7 Sony A77 II
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.5 x 15.6 mm
    Sensor Area 224.9 mm2 366.6 mm2
    Sensor Diagonal 21.6 mm 28.2 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.8 Megapixels 24 Megapixels
    Image Resolution 4592 x 3448 pixels 6000 x 4000 pixels
    Pixel Pitch 3.77 μm 3.91 μm
    Pixel Density 7.04 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 125 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor Venus BIONZ X
    DXO Sensor Quality (score) 70 ..
    DXO Color Depth (bits) 22.6 ..
    DXO Dynamic Range (EV) 12.2 ..
    DXO Low Light (ISO) 718 ..
    Screen Specs Panasonic GX7 Sony A77 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.73x
    Viewfinder Resolution 2760k dots 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1229k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic GX7 Sony A77 II
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/8000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Build-in Flash Build-in 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 GX7 Sony A77 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Body Specs Panasonic GX7 Sony A77 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLG10 NP-FM500H
    Battery Life (CIPA)350 shots per charge480 shots per charge
    Body Dimensions 123 x 71 x 55 mm
    (4.8 x 2.8 x 2.2 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 402 g (14.2 oz) 647 g (22.8 oz)

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