Sony A6400 vs A7S II
The Sony Alpha A6400 and the Sony Alpha 7S II are two digital cameras that were announced, respectively, in January 2019 and September 2015. Both the A6400 and the A7S II are mirrorless interchangeable lens cameras that are based on an APS-C (A6400) and a full frame (A7S II) sensor. The A6400 has a resolution of 24 megapixels, whereas the A7S II provides 12 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
|Sony A6400||Sony A7S II|
|Mirrorless system camera||Mirrorless system camera|
|Sony E mount lenses||Sony E mount lenses|
|24 MP, APS-C Sensor||12 MP, Full Frame Sensor|
|4K/30p Video||4K/30p Video|
|ISO 100-32000 (100-102400)||ISO 100-102400 (50-409600)|
|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 only||In-body stabilization|
|Not weather sealed||Weathersealed body|
|410 shots per battery charge||370 shots per battery charge|
|120 x 67 x 50 mm, 403 g||127 x 96 x 60 mm, 627 g|
Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A6400 and the Sony Alpha 7S 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 A7S II
The side-by-side display below illustrates the physical size and weight of the Sony A6400 and the Sony A7S 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 dimensions are rounded to the nearest millimeter.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S II is considerably larger (52 percent) than the Sony A6400. Moreover, the A7S II is substantially heavier (56 percent) than the A6400. It is noteworthy in this context that the A7S 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 (A7S 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 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.
|Sony A6400»||4.7 in||2.6 in||2.0 in||14.2 oz||410||n||Jan 2019||899||Sony A6400|
|Sony A7S II«||5.0 in||3.8 in||2.4 in||22.1 oz||370||Y||Sep 2015||2,999||Sony A7S II|
|Fujifilm X-T30« »||4.6 in||3.3 in||1.9 in||13.5 oz||380||n||Feb 2019||899||Fujifilm X-T30|
|Nikon D5300« »||4.9 in||3.9 in||3.0 in||16.9 oz||600||n||Oct 2013||799||-||Nikon D5300|
|Samsung NX30« »||5.0 in||3.8 in||2.3 in||13.2 oz||360||n||Jan 2014||999||-||Samsung NX30|
|Sony A7R IV« »||5.1 in||3.8 in||3.1 in||23.5 oz||670||Y||Jul 2019||3,499||Sony A7R IV|
|Sony A7R III« »||5.0 in||3.8 in||2.9 in||22.9 oz||650||Y||Oct 2017||3,199||Sony A7R III|
|Sony A6300« »||4.7 in||2.6 in||1.9 in||14.3 oz||400||Y||Feb 2016||999||-||Sony A6300|
|Sony A7R II« »||5.0 in||3.8 in||2.4 in||22.0 oz||290||Y||Jun 2015||3,199||-||Sony A7R II|
|Sony A7 II« »||5.0 in||3.8 in||2.4 in||21.1 oz||350||Y||Nov 2014||1,999||-||Sony A7 II|
|Sony A7S« »||5.0 in||3.7 in||1.9 in||17.2 oz||380||Y||Apr 2014||2,499||-||Sony A7S|
|Sony A5100« »||4.3 in||2.5 in||1.4 in||10.0 oz||400||n||Aug 2014||549||Sony A5100|
|Sony A6000« »||4.7 in||2.6 in||1.8 in||12.1 oz||360||n||Feb 2014||599||-||Sony A6000|
|Sony A3000« »||5.0 in||3.6 in||3.3 in||14.5 oz||470||n||Aug 2013||329||-||Sony A3000|
|Sony NEX-5R« »||4.4 in||2.3 in||1.5 in||9.7 oz||330||n||Aug 2012||749||-||Sony NEX-5R|
|Sony NEX-6« »||4.7 in||2.6 in||1.7 in||12.2 oz||360||n||Sep 2012||999||-||Sony NEX-6|
|Sony NEX-7« »||4.7 in||2.6 in||1.7 in||14.1 oz||430||n||Aug 2011||1,349||-||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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A6400 was launched at a markedly lower price (by 70 percent) than the A7S 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 A7S II
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. 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 A7S II a full frame sensor. The sensor area in the A7S II is 131 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.
Despite having a smaller sensor, the Sony A6400 offers a higher resolution of 24 megapixels, compared with 12 MP of the Sony A7S II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 8.40μm for the A7S II). However, it should be noted that the A6400 is much more recent (by 3 years and 4 months) than the A7S II, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.
The resolution advantage of the Sony A6400 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A6400 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Sony A7S II are 21.2 x 14.2 inch or 53.8 x 36 cm for good quality, 17 x 11.3 inch or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inch or 35.9 x 24 cm for excellent quality prints.
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 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.
For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
|Sony A6400»||APS-C||24.0||6000||4000||4K/30p||24||13.6||1431||83||Sony A6400|
|Sony A7S II«||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85||Sony A7S II|
|Fujifilm X-T30« »||APS-C||26.0||6240||4160||4K/30p||-||-||-||-||Fujifilm X-T30|
|Nikon D5300« »||APS-C||24.0||6000||4000||1080/60p||24.0||13.9||1338||83||Nikon D5300|
|Samsung NX30« »||APS-C||20.0||5472||3648||1080/60p||23.5||12.4||1014||76||Samsung NX30|
|Sony A7R IV« »||Full Frame||60.2||9504||6336||4K/30p||-||-||-||-||Sony A7R IV|
|Sony A7R III« »||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100||Sony A7R III|
|Sony A6300« »||APS-C||24.0||6000||4000||4K/30p||24.4||13.7||1437||85||Sony A6300|
|Sony A7R II« »||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98||Sony A7R II|
|Sony A7 II« »||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90||Sony A7 II|
|Sony A7S« »||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87||Sony A7S|
|Sony A5100« »||APS-C||24.0||6000||4000||1080/60p||23.8||12.7||1347||80||Sony A5100|
|Sony A6000« »||APS-C||24.0||6000||4000||1080/60p||24.1||13.1||1347||82||Sony A6000|
|Sony A3000« »||APS-C||19.8||5456||3632||1080/60i||23.7||12.8||1068||78||Sony A3000|
|Sony NEX-5R« »||APS-C||16.0||4912||3264||1080/60i||23.7||13.1||910||78||Sony NEX-5R|
|Sony NEX-6« »||APS-C||16.0||4912||3264||1080/60i||23.7||13.1||1018||78||Sony NEX-6|
|Sony NEX-7« »||APS-C||24.0||6000||4000||1080/60i||24.1||13.4||1016||81||Sony 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 A7S 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 A7S II offers a slightly higher resolution than the one in the A6400 (2400k vs 2359k dots). The adjacent table lists some of the other core features of the Sony A6400 and Sony A7S II along with similar information for a selection of comparators.
|Sony A6400»||2359||n||3.0||922||tilting||Y||1/4000s||11.0||Y||n||Sony A6400|
|Sony A7S II«||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7S 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 IV« »||5760||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A7R IV|
|Sony A7R III« »||3686||n||3.0||1440||tilting||Y||1/8000s||10.0||n||Y||Sony A7R III|
|Sony A6300« »||2359||n||3.0||922||tilting||n||1/4000s||11.0||Y||n||Sony A6300|
|Sony A7R II« »||2400||n||3.0||1229||tilting||n||1/8000s||5.0||n||Y||Sony A7R II|
|Sony A7 II« »||2400||n||3.0||1230||tilting||n||1/8000s||5.0||n||Y||Sony A7 II|
|Sony A7S« »||2400||n||3.0||921||tilting||n||1/8000s||5.0||n||n||Sony A7S|
|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 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 A7S 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 A7S 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 A7S 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 A7S 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 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
|Sony A6400»||Y||stereo||mono||Y||-||micro||2.0||Y||Y||Y||Sony A6400|
|Sony A7S II«||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S II|
|Fujifilm X-T30« »||Y||stereo||mono||Y||-||micro||3.1||Y||-||Y||Fujifilm X-T30|
|Nikon D5300« »||Y||stereo||mono||Y||-||mini||2.0||Y||-||-||Nikon D5300|
|Samsung NX30« »||Y||stereo||mono||-||-||micro||2.0||Y||Y||-||Samsung NX30|
|Sony A7R IV« »||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7R IV|
|Sony A7R III« »||Y||stereo||mono||Y||Y||micro||3.1||Y||Y||Y||Sony A7R III|
|Sony A6300« »||Y||stereo||mono||Y||-||micro||2.0||Y||Y||-||Sony A6300|
|Sony A7R II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7R II|
|Sony A7 II« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7 II|
|Sony A7S« »||Y||stereo||mono||Y||Y||micro||2.0||Y||Y||-||Sony A7S|
|Sony A5100« »||-||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony A5100|
|Sony A6000« »||Y||stereo||mono||-||-||micro||2.0||Y||Y||-||Sony A6000|
|Sony A3000« »||Y||stereo||mono||-||-||mini||2.0||-||-||-||Sony A3000|
|Sony NEX-5R« »||Y||stereo||mono||-||-||mini||2.0||Y||-||-||Sony NEX-5R|
|Sony NEX-6« »||Y||stereo||mono||-||-||mini||2.0||Y||-||-||Sony NEX-6|
|Sony NEX-7« »||Y||stereo||mono||Y||-||mini||2.0||-||-||-||Sony NEX-7|
It is notable that the A7S 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.
Both the A6400 and the A7S II are recent models that are part of the current product line-up. The A7S II replaced the earlier Sony A7S, while the A6400 followed on from the Sony A6300. 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 A7S II
So how do things add up? Is there a clear favorite between the Sony A6400 and the Sony A7S II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Advantages of the Sony Alpha A6400:
- More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
- 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.
- 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 224g or 36 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (410 versus 370) 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 (70 percent cheaper at launch).
- More modern: Reflects 3 years and 4 months of technical progress since the A7S II launch.
Arguments in favor of the Sony Alpha 7S II:
- Better low-light sensitivity: Can shoot in dim conditions (1.1 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 September 2015).
If the number of relative strengths (bullet points above) is taken as a guide, the A6400 is the clear winner of the match-up (12 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.
How about other alternatives? Do the specifications of the Sony A6400 and the Sony A7S 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 says little about, for example, the shooting experience and imaging performance of the A6400 and the A7S II in practical situations. 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: Sony A6400 vs A7S II
This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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.
|Sony A6400»||+||85/100||4.5/5||-||4/5||Jan 2019||899||Sony A6400|
|Sony A7S II«||+||-||4.5/5||5/5||5/5||Sep 2015||2,999||Sony A7S II|
|Fujifilm X-T30« »||+ +||84/100||4.5/5||-||4.5/5||Feb 2019||899||Fujifilm X-T30|
|Nikon D5300« »||+ +||79/100||4.5/5||4.5/5||4.5/5||Oct 2013||799||-||Nikon D5300|
|Samsung NX30« »||-||77/100||4.5/5||4/5||4.5/5||Jan 2014||999||-||Samsung NX30|
|Sony A7R IV« »||-||-||-||-||-||Jul 2019||3,499||Sony A7R IV|
|Sony A7R III« »||+ +||90/100||4.5/5||5/5||5/5||Oct 2017||3,199||Sony A7R III|
|Sony A6300« »||+||85/100||5/5||5/5||5/5||Feb 2016||999||-||Sony A6300|
|Sony A7R II« »||+ +||90/100||5/5||4.5/5||5/5||Jun 2015||3,199||-||Sony A7R II|
|Sony A7 II« »||+||82/100||4.5/5||5/5||5/5||Nov 2014||1,999||-||Sony A7 II|
|Sony A7S« »||-||86/100||4.5/5||4.5/5||5/5||Apr 2014||2,499||-||Sony A7S|
|Sony A5100« »||+||-||4.5/5||4.5/5||5/5||Aug 2014||549||Sony A5100|
|Sony A6000« »||+||80/100||4.5/5||5/5||5/5||Feb 2014||599||-||Sony A6000|
|Sony A3000« »||+||-||4/5||4.5/5||4/5||Aug 2013||329||-||Sony A3000|
|Sony NEX-5R« »||-||-||4.5/5||-||4.5/5||Aug 2012||749||-||Sony NEX-5R|
|Sony NEX-6« »||+ +||78/100||4.5/5||5/5||4.5/5||Sep 2012||999||-||Sony NEX-6|
|Sony NEX-7« »||+ +||81/100||4.5/5||5/5||5/5||Aug 2011||1,349||-||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. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.
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 a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 800D vs Sony A6400
- Canon G15 vs Sony A6400
- Fujifilm GFX 100 vs Sony A6400
- Fujifilm X-T1 vs Sony A6400
- Fujifilm X-T3 vs Sony A7S II
- Nikon D5600 vs Sony A7S II
- Nikon D7500 vs Sony A7S II
- Panasonic GH4 vs Sony A7S II
- Panasonic GX85 vs Sony A7S II
- Panasonic TZ100 vs Sony A6400
- Pentax K-70 vs Sony A7S II
- Sony A6400 vs Sony RX100 IV
Specifications: Sony A6400 vs Sony A7S 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 Model||Sony A6400||Sony A7S II|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Sony E mount lenses||Sony E mount lenses|
|Launch Date||January 2019||September 2015|
|Launch Price||USD 899||USD 2999|
|Sensor Specs||Sony A6400||Sony A7S II|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||23.5 x 15.6 mm||35.6 x 23.8 mm|
|Sensor Area||366.6 mm2||847.28 mm2|
|Sensor Diagonal||28.2 mm||42.8 mm|
|Sensor Resolution||24 Megapixels||12 Megapixels|
|Image Resolution||6000 x 4000 pixels||4240 x 2832 pixels|
|Pixel Pitch||3.91 μm||8.40 μm|
|Pixel Density||6.55 MP/cm2||1.42 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||4K/30p Video|
|ISO Setting||100-32000 ISO||100-102400 ISO|
|ISO Boost||100-102400 ISO||50-409600 ISO|
|Image Processor||BIONZ X||BIONZ X|
|DXO Sensor Quality (score)||83||85|
|DXO Color Depth (bits)||24||23.6|
|DXO Dynamic Range (EV)||13.6||13.3|
|DXO Low Light (ISO)||1431||2993|
|Screen Specs||Sony A6400||Sony A7S II|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|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 A7S II|
|Autofocus System||On-Sensor Phase-detect||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000/s||1/8000/s|
|Continuous Shooting||11 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||200 000 actuations||200 000 actuations|
|Image Stabilization||Lens stabilization only||In-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 A7S II|
|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 A7S II|
|Environmental Sealing||Not weather sealed||Weathersealed body|
|Battery Type||NP-FW50 power pack||NP-FW50 power pack|
|Battery Life (CIPA)||410 shots per charge||370 shots per charge|
|In-Camera Charging||USB charging||USB charging|
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)||627 g (22.1 oz)|
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