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Sony A6400 vs A7R II

The Sony Alpha A6400 and the Sony Alpha A7R II are two enthusiast cameras that were officially introduced, respectively, in January 2019 and June 2015. Both the A6400 and the A7R II are mirrorless interchangeable lens cameras that are based on an APS-C (A6400) and a full frame (A7R II) sensor. The A6400 has a resolution of 24 megapixels, whereas the A7R II provides 42.2 MP.

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

Headline Specifications
Sony A6400   Sony A7R II
Sony A6400 Sony A7R II
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Sony E mount lenses
24 MP, APS-C Sensor 42.2 MP, Full Frame Sensor
4K/30p Video 4K/30p Video
ISO 100-32000 (100-102400) ISO 100-25600 (50-102400)
Electronic viewfinder (2359k dots) Electronic viewfinder (2400k dots)
3.0" LCD, 922k dots 3.0" LCD, 1229k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
11 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Not weather sealedWeathersealed body
410 shots per battery charge290 shots per battery charge
120 x 67 x 50 mm, 403 g 127 x 96 x 60 mm, 625 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A6400 and the Sony Alpha A7R 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: Sony A6400 vs A7R II

The side-by-side display below illustrates the physical size and weight of the Sony A6400 and the Sony A7R II. 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.

Size Sony A6400 vs Sony A7R II
Compare A6400 versus A7R II top
Comparison A6400 or A7R II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R II is considerably larger (52 percent) than the Sony A6400. Moreover, the A7R II is substantially heavier (55 percent) than the A6400. It is noteworthy in this context that the A7R II is splash and dust-proof, while the A6400 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 Sony E-Mount Lens Catalog (A6400) and the Sony FE Lens Catalog (A7R 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.

The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Sony A6400» 4.7 in 2.6 in 2.0 in 14.2 oz 410 n Jan 2019 899 i i Sony A6400
 
Sony A7R II« 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
 
Fujifilm X-T30« » 4.6 in 3.3 in 1.9 in 13.5 oz 380 n Feb 2019 899 i i Fujifilm X-T30
 
Nikon D5300« » 4.9 in 3.9 in 3.0 in 16.9 oz 600 n Oct 2013 799- i Nikon D5300
 
Samsung NX30« » 5.0 in 3.8 in 2.3 in 13.2 oz 360 n Jan 2014 999- i Samsung NX30
 
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
 
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
 
Sony A6300« » 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999- i Sony A6300
 
Sony A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i Sony A7S II
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
 
Sony A5100« » 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 i i Sony A5100
 
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i Sony A6000
 
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i Sony A7R
 
Sony A3000« » 5.0 in 3.6 in 3.3 in 14.5 oz 470 n Aug 2013 329- i Sony A3000
 
Sony NEX-5R« » 4.4 in 2.3 in 1.5 in 9.7 oz 330 n Aug 2012 749- i Sony NEX-5R
 
Sony NEX-6« » 4.7 in 2.6 in 1.7 in 12.2 oz 360 n Sep 2012 999- i Sony NEX-6
 
Sony NEX-7« » 4.7 in 2.6 in 1.7 in 14.1 oz 430 n Aug 2011 1,349- i Sony NEX-7
Note: Measurements and pricing do not include easily detachable parts, such as 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 72 percent) than the A7R 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: Sony A6400 vs A7R II

The size of the imaging sensor is a crucial determinant 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A6400 features an APS-C sensor and the Sony A7R II a full frame sensor. The sensor area in the A7R II is 135 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A6400 and Sony A7R II sensor measures

With 42.2MP, the A7R II offers a higher resolution than the A6400 (24MP), but the A7R II nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 3.91μm for the A6400) due to its larger sensor. However, the A6400 is a much more recent model (by 3 years and 7 months) than the A7R 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 A7R II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inch or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inch or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inch or 67.3 x 44.9 cm. The corresponding values for the Sony A6400 are 30 x 20 inch or 76.2 x 50.8 cm for good quality, 24 x 16 inch or 61 x 40.6 cm for very good quality, and 20 x 13.3 inch or 50.8 x 33.9 cm for excellent quality prints.

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 A7R II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-102400.

A6400 versus A7R II 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 consideration, the A7R II offers substantially better image quality than the A6400 (overall score 15 points higher). The advantage is based on 2 bits higher color depth, 0.3 EV in additional dynamic range, and 1.3 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Sony A6400» APS-C 24.0 6000 40004K/30p2413.6143183Sony A6400
 
Sony A7R II« Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Fujifilm X-T30« » APS-C 26.0 6240 41604K/30p----Fujifilm X-T30
 
Nikon D5300« » APS-C 24.0 6000 40001080/60p24.013.9133883Nikon D5300
 
Samsung NX30« » APS-C 20.0 5472 36481080/60p23.512.4101476Samsung NX30
 
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A6300« » APS-C 24.0 6000 40004K/30p24.413.7143785Sony A6300
 
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
 
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A5100« » APS-C 24.0 6000 40001080/60p23.812.7134780Sony A5100
 
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
 
Sony A7R« » Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
 
Sony A3000« » APS-C 19.8 5456 36321080/60i23.712.8106878Sony A3000
 
Sony NEX-5R« » APS-C 16.0 4912 32641080/60i23.713.191078Sony NEX-5R
 
Sony NEX-6« » APS-C 16.0 4912 32641080/60i23.713.1101878Sony NEX-6
 
Sony NEX-7« » APS-C 24.0 6000 40001080/60i24.113.4101681Sony NEX-7

Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 (4K/30p).

 

Feature comparison: Sony A6400 vs A7R II

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7R II offers a slightly higher resolution than the one in the A6400 (2400k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Sony A6400, the Sony A7R II, and comparable cameras.

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
Camera
Model
 
Sony A6400»2359 n 3.0 922 tilting Y 1/4000s 11.0 Y n Sony A6400
 
Sony A7R II«2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Fujifilm X-T30« »2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T30
 
Nikon D5300« »optical n 3.2 1037 swivel n 1/4000s 5.0 Y n Nikon D5300
 
Samsung NX30« »2359 n 3.0 1036 swivel Y 1/8000s 9.0 Y n Samsung NX30
 
Sony A7R III« »3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A99 II« »2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A6300« »2359 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6300
 
Sony A7S II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II
 
Sony A7 II« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A5100« »- n 3.0 922 tilting Y 1/4000s 6.0 Y n Sony A5100
 
Sony A6000« »1440 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6000
 
Sony A7R« »2400 n 3.0 1230 tilting n 1/8000s 4.0 n n Sony A7R
 
Sony A3000« »202 n 3.0 230 fixed n 1/4000s 2.5 Y n Sony A3000
 
Sony NEX-5R« »- n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5R
 
Sony NEX-6« »2359 n 3.0 921 tilting n 1/4000s 10.0 Y n Sony NEX-6
 
Sony NEX-7« »2359 n 3.0 921 tilting n 1/4000s 10.0 Y n Sony NEX-7

One difference between the cameras concerns the presence of an on-board flash. The A6400 has one, while the A7R II does not. While the built-in flash of the A6400 is not very powerful, it can at times be useful as a fill-in light.

The A6400 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 A7R 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, 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).

Concerning the storage of imaging data, both the A6400 and the A7R II 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.

 

Connectivity comparison: Sony A6400 vs A7R II

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 A7R II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Sony A6400»YstereomonoY-micro2.0YYYSony A6400
 
Sony A7R II«YstereomonoYYmicro2.0YY-Sony A7R II
 
Fujifilm X-T30« »YstereomonoY-micro3.1Y-YFujifilm X-T30
 
Nikon D5300« »YstereomonoY-mini2.0Y--Nikon D5300
 
Samsung NX30« »Ystereomono--micro2.0YY-Samsung NX30
 
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
 
Sony A99 II« »YstereomonoYYmicro2.0YYYSony A99 II
 
Sony A6300« »YstereomonoY-micro2.0YY-Sony A6300
 
Sony A7S II« »YstereomonoYYmicro2.0YY-Sony A7S II
 
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A5100« »-stereomono--micro2.0YY-Sony A5100
 
Sony A6000« »Ystereomono--micro2.0YY-Sony A6000
 
Sony A7R« »YstereomonoYYmicro2.0YY-Sony A7R
 
Sony A3000« »Ystereomono--mini2.0---Sony A3000
 
Sony NEX-5R« »Ystereomono--mini2.0Y--Sony NEX-5R
 
Sony NEX-6« »Ystereomono--mini2.0Y--Sony NEX-6
 
Sony NEX-7« »YstereomonoY-mini2.0---Sony NEX-7

It is notable that the A7R II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The A6400 lacks such a headphone port.

The A6400 is a recent model that features in the current product line-up of Sony. In contrast, the A7R II has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7R II was succeeded by the Sony Alpha A7R III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Sony website.


Review summary: Sony A6400 vs A7R II

So what conclusions can be drawn? Is there a clear favorite between the Sony A6400 and the Sony A7R II? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.


Arguments in favor of the Sony Alpha A6400:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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 (11 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (120x67mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 222g or 36 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (410 versus 290) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (72 percent cheaper at launch).
  • More modern: Reflects 3 years and 7 months of technical progress since the A7R II launch.


Advantages of the Sony Alpha A7R II:

  • More detail: Has more megapixels (42.2 vs 24MP), which boosts linear resolution by 33%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (15 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2 bits more color depth).
  • Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 922k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • 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.
  • More heavily discounted: Has been around for much longer (launched in June 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R II comes out slightly ahead of the A6400 (12 : 11 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.

A6400 11:12 A7R II

How about other alternatives? Do the specifications of the Sony A6400 and the Sony A7R 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the A6400 or the A7R II perform in practice. 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: Sony A6400 vs A7R II

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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Sony A6400»+85/1004.5/5-4/5 Jan 2019 899 i i Sony A6400
 
Sony A7R II«+ +90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Fujifilm X-T30« »+ +84/1004.5/5-4.5/5 Feb 2019 899 i i Fujifilm X-T30
 
Nikon D5300« »+ +79/1004.5/54.5/54.5/5 Oct 2013 799- i Nikon D5300
 
Samsung NX30« »-77/1004.5/54/54.5/5 Jan 2014 999- i Samsung NX30
 
Sony A7R III« »+ +90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
 
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
 
Sony A6300« »+85/1005/55/55/5 Feb 2016 999- i Sony A6300
 
Sony A7S II« »+-4.5/55/55/5 Sep 2015 2,999 i i Sony A7S II
 
Sony A7 II« »+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
 
Sony A5100« »+-4.5/54.5/55/5 Aug 2014 549 i i Sony A5100
 
Sony A6000« »+80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
 
Sony A7R« »+ +82/1004.5/55/55/5 Oct 2013 2,299- i Sony A7R
 
Sony A3000« »+-4/54.5/54/5 Aug 2013 329- i Sony A3000
 
Sony NEX-5R« »--4.5/5-4.5/5 Aug 2012 749- i Sony NEX-5R
 
Sony NEX-6« »+ +78/1004.5/55/54.5/5 Sep 2012 999- i Sony NEX-6
 
Sony NEX-7« »+ +81/1004.5/55/55/5 Aug 2011 1,349- i Sony NEX-7
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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. 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 A7R II:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. 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: Sony A6400 vs Sony A7R 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 Sony A6400 Sony A7R II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Sony E mount lenses
    Launch Date January 2019 June 2015
    Launch Price USD 899 USD 3199
    Sensor Specs Sony A6400 Sony A7R II
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.9 x 24.0 mm
    Sensor Area 366.6 mm2 861.6 mm2
    Sensor Diagonal 28.2 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 24 Megapixels 42.2 Megapixels
    Image Resolution 6000 x 4000 pixels 7952 x 5304 pixels
    Pixel Pitch 3.91 μm 4.52 μm
    Pixel Density 6.55 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 100-32000 ISO 100-25600 ISO
    ISO Boost 100-102400 ISO 50-102400 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 83 98
    DXO Color Depth (bits) 24 26.0
    DXO Dynamic Range (EV) 13.6 13.9
    DXO Low Light (ISO) 1431 3434
    Screen Specs Sony A6400 Sony A7R II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.78x
    Viewfinder Resolution 2359k dots 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 922k dots 1229k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Sony A6400 Sony A7R II
    Autofocus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 11 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy200 000 actuations500 000 actuations
    Electronic ShutterYESYES
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board 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 A7R II
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Sony A6400 Sony A7R II
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type NP-FW50 power pack NP-FW50 power pack
    Battery Life (CIPA)410 shots per charge290 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 403 g (14.2 oz) 625 g (22.0 oz)

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