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Sony A6400 vs A77

The Sony Alpha A6400 and the Sony Alpha SLT-A77 are two enthusiast cameras that were announced, respectively, in January 2019 and August 2011. The A6400 is a mirrorless interchangeable lens camera, while the A77 is a DSLR. Both cameras are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixels.

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

Headline Specifications
Sony A6400 versus Sony A77
Sony A6400 Sony A77
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Sony A mount lenses
24 MP, APS-C Sensor 24 MP, APS-C Sensor
4K/30p Video 1080/60p Video
ISO 100-32,000 (100 - 102,400) ISO 100-16,000 (50 - 25,600)
Electronic viewfinder (2359k dots) Electronic viewfinder (2359k dots)
3.0 LCD, 922k dots 3.0 LCD, 921k dots
Tilting touchscreen Fully flexible screen (no touchscreen)
11 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
410 shots per battery charge470 shots per battery charge
120 x 67 x 50 mm, 403 g 143 x 104 x 81 mm, 732 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A6400 and the Sony Alpha SLT-A77? 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 Sony A6400 and the Sony A77 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Size Sony A6400 vs Sony A77
Compare A6400 versus A77 top
Comparison A6400 or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is considerably larger (85 percent) than the Sony A6400. Moreover, the A77 is substantially heavier (82 percent) than the A6400. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 A6400 gets 410 shots out of its NP-FW50 battery, while the A77 can take 470 images on a single charge of its NP-FM500H power pack. The power pack in the A6400 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 899 i
2.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399i
3.
 
Fujifilm X-T30 118 mm 83 mm 47 mm 383 g 380 n Feb 2019 899 i
4.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799i
5.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
6.
 
Sony A6100 120 mm 67 mm 59 mm 396 g 420 n Aug 2019 749 i
7.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999i
8.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399i
9.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
10.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 i
11.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i
12.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599i
13.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 329i
14.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799i
15.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749i
16.
 
Sony NEX-6 120 mm 67 mm 43 mm 345 g 360 n Sep 2012 999i
17.
 
Sony NEX-7 120 mm 67 mm 43 mm 400 g 430 n Aug 2011 1,349i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The A6400 was launched at a markedly lower price (by 36 percent) than the A77, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A6400 and Sony A77 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 24 megapixels. This similarity in sensor specs implies that both the A6400 and the A77 have the same pixel density, as well as the same pixel size. It should, however, be noted that the A6400 is much more recent (by 7 years and 4 months) than the A77, and its sensor will have benefitted from technological advances during this time.

The A6400 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Alpha A6400 has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 100-102400. The corresponding ISO settings for the Sony Alpha SLT-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

A6400 versus A77 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). Of the two cameras under review, the A6400 has a notably higher overall DXO score than the A77 (overall score 5 points higher), which gives it an advantage in terms of imaging quality. 0.4 EV in additional dynamic range, and 0.8 stops in additional low light sensitivity. 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
1.
 
Sony A6400 APS-C 24.0 6000 40004K/30p2413.6143183
2.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
3.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p........
4.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
5.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
6.
 
Sony A6100 APS-C 24.0 6000 40004K/30p........
7.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
8.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
9.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
10.
 
Sony A77 II APS-C 24.0 6000 40001080/60p........
11.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
12.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
13.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
14.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
15.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
16.
 
Sony NEX-6 APS-C 16.0 4912 32641080/60i23.713.1101878
17.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681

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 A6400 provides a higher video resolution than the A77. It can shoot video footage at 4K/30p, while the A77 is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The A6400 and the A77 are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 2359k dots. The table below summarizes some of the other core capabilities of the Sony A6400 and Sony A77 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
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
1.
 
Sony A64002359 n 3.0 922 tilting Y 1/4000s 11.0 Y n
2.
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y
3.
 
Fujifilm X-T302360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n
4.
 
Nikon D5300optical n 3.2 1037 swivel n 1/4000s 5.0 Y n
5.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
6.
 
Sony A61001440 n 3.0 922 tilting Y 1/4000s 11.0 Y n
7.
 
Sony A63002359 n 3.0 922 tilting n 1/4000s 11.0 Y n
8.
 
Sony A65002359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y
9.
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
10.
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y
11.
 
Sony A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n
12.
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n
13.
 
Sony A3000202 n 3.0 230 fixed n 1/4000s 2.5 Y n
14.
 
Sony A992359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y
15.
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n
16.
 
Sony NEX-62359 n 3.0 921 tilting n 1/4000s 10.0 Y n
17.
 
Sony NEX-72359 n 3.0 921 tilting n 1/4000s 10.0 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The A6400 has a touchscreen, while the A77 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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, the A6400 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).

Concerning the storage of imaging data, both the A6400 and the A77 write their files to 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.

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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 Sony Alpha A6400 and Sony Alpha SLT-A77 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
1.
 
Sony A6400YstereomonoY-micro2.0YYY
2.
 
Sony A77YstereomonoY-mini2.0---
3.
 
Fujifilm X-T30YstereomonoY-micro3.1Y-Y
4.
 
Nikon D5300YstereomonoY-mini2.0Y--
5.
 
Pentax K-3YmonomonoYYmini3.0---
6.
 
Sony A6100YstereomonoY-micro2.0YYY
7.
 
Sony A6300YstereomonoY-micro2.0YY-
8.
 
Sony A6500YstereomonoY-micro2.0YY-
9.
 
Sony A7 IIYstereomonoYYmicro2.0YY-
10.
 
Sony A77 IIYstereomonoY-mini2.0YY-
11.
 
Sony A5100-stereomono--micro2.0YY-
12.
 
Sony A6000Ystereomono--micro2.0YY-
13.
 
Sony A3000Ystereomono--mini2.0---
14.
 
Sony A99YstereomonoYYmini2.0---
15.
 
Sony NEX-5RYstereomono--mini2.0Y--
16.
 
Sony NEX-6Ystereomono--mini2.0Y--
17.
 
Sony NEX-7YstereomonoY-mini2.0---

It is notable that the A6400 offers wifi support, while the A77 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Sony A77 (unlike the A6400) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the A77 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The A6400 is a recent model that features in the current product line-up of Sony. In contrast, the A77 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the A77 was succeeded by the Sony A77 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Sony website.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Sony A6400 or the Sony A77 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.


Reasons to prefer the Sony Alpha A6400:

  • Better image quality: Scores markedly higher (5 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (0.8 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • More compact: Is smaller (120x67mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 329g or 45 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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.
  • More affordable: Was introduced into a lower priced category (36 percent cheaper at launch).
  • More modern: Reflects 7 years and 4 months of technical progress since the A77 launch.


Advantages of the Sony Alpha SLT-A77:

  • 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 flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Gets more shots (470 versus 410) out of a single battery charge.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the count of relative strengths (bullet points above) is taken as a measure, the A6400 is the clear winner of the match-up (15 : 9 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 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.

A6400 15:09 A77

How about other alternatives? Do the specifications of the Sony A6400 and the Sony A77 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A6400 or the A77. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

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], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A64004/5+85/1004.5/54/5 Jan 2019 899 i
2.
 
Sony A775/591/10081/100..5/5 Aug 2011 1,399i
3.
 
Fujifilm X-T305/5+ +84/1004.5/54.5/5 Feb 2019 899 i
4.
 
Nikon D53004/5+ +79/1004.5/54.5/5 Oct 2013 799i
5.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299i
6.
 
Sony A6100....82/1004/55/5 Aug 2019 749 i
7.
 
Sony A63004.5/5+85/1005/55/5 Feb 2016 999i
8.
 
Sony A65005/5+ +85/1004.5/54.5/5 Oct 2016 1,399i
9.
 
Sony A7 II5/5+82/1004.5/55/5 Nov 2014 1,999i
10.
 
Sony A77 II4/5..80/1004.5/55/5 May 2014 1,199 i
11.
 
Sony A51004.5/5+..4.5/55/5 Aug 2014 549 i
12.
 
Sony A60005/5+80/1004.5/55/5 Feb 2014 599i
13.
 
Sony A30003/5+..4/54/5 Aug 2013 329i
14.
 
Sony A995/5..84/1004.5/54.5/5 Sep 2012 2,799i
15.
 
Sony NEX-5R......4.5/54.5/5 Aug 2012 749i
16.
 
Sony NEX-65/5+ +78/1004.5/54.5/5 Sep 2012 999i
17.
 
Sony NEX-75/5+ +81/1004.5/55/5 Aug 2011 1,349i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Sony A6400:
Check Amazon price
Sony A77:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make 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: Sony A6400 vs Sony A77

    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 Sony A6400 Sony A77
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Sony A mount lenses
    Launch Date January 2019 August 2011
    Launch Price USD 899 USD 1,399
    Sensor Specs Sony A6400 Sony A77
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.5 x 15.6 mm
    Sensor Area 366.6 mm2 366.6 mm2
    Sensor Diagonal 28.2 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.91 μm 3.91 μm
    Pixel Density 6.55 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 100 - 32,000 ISO 100 - 16,000 ISO
    ISO Boost 100 - 102,400 ISO 50 - 25,600 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 83 78
    DXO Color Depth (bits) 24 24.0
    DXO Dynamic Range (EV) 13.6 13.2
    DXO Low Light (ISO) 1431 801
    Screen Specs Sony A6400 Sony A77
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.73x
    Viewfinder Resolution 2359k 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 922k dots 921k dots
    LCD Attachment Tilting screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A6400 Sony A77
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 11 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy200 000 actuations150 000 actuations
    Electronic ShutterYESno E-Shutter
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium MS or SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Sony A6400 Sony A77
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Sony A6400 Sony A77
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-FW50 NP-FM500H
    Battery Life (CIPA)410 shots per charge470 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 403 g (14.2 oz) 732 g (25.8 oz)

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