Fujifilm X-Pro3 vs Sony A6400
The Fujifilm X-Pro3 and the Sony Alpha A6400 are two enthusiast cameras that were revealed to the public, respectively, in October 2019 and January 2019. Both the X-Pro3 and the A6400 are mirrorless interchangeable lens cameras that are equipped with an APS-C sensor. The Fujifilm has a resolution of 26 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.
Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-Pro3 and the Sony Alpha A6400? 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.
The physical size and weight of the Fujifilm X-Pro3 and the Sony A6400 are illustrated 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 width, height and depth measures are rounded to the nearest millimeter.
The X-Pro3 can be obtained in two different colors (black, silver), while the A6400 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6400 is considerably smaller (31 percent) than the Fujifilm X-Pro3. Moreover, the A6400 is markedly lighter (19 percent) than the X-Pro3. 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. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Fujinon X Lens Catalog (X-Pro3) and the Sony E-Mount Lens Catalog (A6400). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.
Concerning battery life, the X-Pro3 gets 440 shots out of its NP-W126S battery, while the A6400 can take 410 images on a single charge of its NP-FW50 power pack. 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, you can use the CAM-parator app to select your camera combination among a large number of options.
|1.||Fujifilm X-Pro3||141 mm||83 mm||46 mm||497 g||440||Y||Oct 2019||1,799|
|2.||Sony A6400||120 mm||67 mm||50 mm||403 g||410||Y||Jan 2019||899|
|3.||Fujifilm X100V||128 mm||75 mm||53 mm||478 g||420||Y||Feb 2020||1,399|
|4.||Fujifilm X-T4||135 mm||93 mm||64 mm||607 g||500||Y||Feb 2020||1,699|
|5.||Fujifilm X-A5||117 mm||68 mm||40 mm||361 g||450||n||Jan 2018||399|
|6.||Fujifilm X-T3||133 mm||93 mm||59 mm||539 g||390||Y||Sep 2018||1,499|
|7.||Fujifilm X-H1||140 mm||97 mm||86 mm||673 g||310||Y||Feb 2018||1,899|
|8.||Fujifilm X-T100||121 mm||83 mm||47 mm||448 g||430||n||May 2018||599|
|9.||Fujifilm X-Pro2||141 mm||83 mm||46 mm||495 g||350||Y||Jan 2016||1,699|
|10.||Fujifilm X-T2||133 mm||92 mm||49 mm||507 g||340||Y||Jul 2016||1,599|
|11.||Fujifilm X-T1||129 mm||90 mm||47 mm||440 g||350||Y||Jan 2014||1,299|
|12.||Nikon D5300||125 mm||98 mm||76 mm||480 g||600||n||Oct 2013||799|
|13.||Samsung NX1||139 mm||102 mm||66 mm||550 g||500||Y||Sep 2014||1,499|
|14.||Sony A6100||120 mm||67 mm||59 mm||396 g||420||n||Aug 2019||749|
|15.||Sony A6300||120 mm||67 mm||49 mm||404 g||400||Y||Feb 2016||999|
|16.||Sony A5100||110 mm||63 mm||36 mm||283 g||400||n||Aug 2014||549|
|17.||Sony A6000||120 mm||67 mm||45 mm||344 g||360||n||Feb 2014||599|
|Note: 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 50 percent) than the X-Pro3, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. 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.
Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 26MP, the X-Pro3 offers a slightly higher resolution than the A6400 (24MP), but the X-Pro3 has smaller individual pixels (pixel pitch of 3.76μm versus 3.91μm for the A6400). However, the X-Pro3 is a somewhat more recent model (by 9 months) than the A6400, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the X-Pro3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The Fujifilm X-Pro3 has a native sensitivity range from ISO 160 to ISO 12800, which can be extended to ISO 80-51200. The corresponding ISO settings for the Sony Alpha A6400 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 100-102400.
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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Note: DXO values in italics represent estimates based on sensor size and age.|
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).
Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the X-Pro3 offers a substantially higher resolution than the one in the A6400 (3690k vs 2359k dots). The table below summarizes some of the other core capabilities of the Fujifilm X-Pro3 and Sony A6400 in connection with corresponding information for a sample of similar cameras.
|1.||Fujifilm X-Pro3||3690||n||3.0 / 1620||tilting||Y||1/8000s||8.0/s||n||n|
|2.||Sony A6400||2359||n||3.0 / 922||tilting||Y||1/4000s||11.0/s||Y||n|
|3.||Fujifilm X100V||3690||n||3.0 / 1620||tilting||Y||1/4000s||11.0/s||Y||n|
|4.||Fujifilm X-T4||3690||n||3.0 / 1620||swivel||Y||1/8000s||15.0/s||n||Y|
|5.||Fujifilm X-A5||none||n||3.0 / 1040||tilting||Y||1/4000s||6.0/s||Y||n|
|6.||Fujifilm X-T3||3690||n||3.0 / 1040||tilting||Y||1/8000s||11.0/s||n||n|
|7.||Fujifilm X-H1||3690||Y||3.0 / 1040||full-flex||Y||1/8000s||14.0/s||n||Y|
|8.||Fujifilm X-T100||2360||n||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|9.||Fujifilm X-Pro2||2360||n||3.0 / 1620||fixed||n||1/8000s||8.0/s||n||n|
|10.||Fujifilm X-T2||2360||n||3.0 / 1040||tilting||n||1/8000s||8.0/s||n||n|
|11.||Fujifilm X-T1||2360||n||3.0 / 1040||tilting||n||1/4000s||8.0/s||n||n|
|12.||Nikon D5300||optical||n||3.2 / 1037||swivel||n||1/4000s||5.0/s||Y||n|
|13.||Samsung NX1||2360||Y||3.0 / 1036||tilting||Y||1/8000s||15.0/s||Y||n|
|14.||Sony A6100||1440||n||3.0 / 922||tilting||Y||1/4000s||11.0/s||Y||n|
|15.||Sony A6300||2359||n||3.0 / 922||tilting||n||1/4000s||11.0/s||Y||n|
|16.||Sony A5100||none||n||3.0 / 922||tilting||Y||1/4000s||6.0/s||Y||n|
|17.||Sony A6000||1440||n||3.0 / 922||tilting||n||1/4000s||11.0/s||Y||n|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One difference between the cameras concerns the presence of an on-board flash. The A6400 has one, while the X-Pro3 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 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 X-Pro3 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).
The Fujifilm X-Pro3 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 X-Pro3 writes its imaging data to SDXC cards, while the A6400 uses SDXC or Memory Stick PRO Duo cards. The X-Pro3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A6400 only has one slot. The X-Pro3 supports UHS-II cards (on both slots), while the A6400 can use UHS-I cards.
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 Fujifilm X-Pro3 and Sony Alpha A6400 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Fujifilm X-Pro3||Y||stereo / mono||Y||-||-||3.1||Y||-||Y|
|2.||Sony A6400||Y||stereo / mono||Y||-||micro||2.0||Y||Y||Y|
|3.||Fujifilm X100V||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|4.||Fujifilm X-T4||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|5.||Fujifilm X-A5||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|6.||Fujifilm X-T3||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|7.||Fujifilm X-H1||Y||stereo / mono||Y||-||micro||3.0||Y||-||-|
|8.||Fujifilm X-T100||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|9.||Fujifilm X-Pro2||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
|10.||Fujifilm X-T2||Y||stereo / mono||Y||-||micro||3.0||Y||-||-|
|11.||Fujifilm X-T1||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|12.||Nikon D5300||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|13.||Samsung NX1||Y||stereo / mono||Y||Y||micro||3.0||Y||Y||Y|
|14.||Sony A6100||Y||stereo / mono||Y||-||micro||2.0||Y||Y||Y|
|15.||Sony A6300||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|16.||Sony A5100||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|17.||Sony A6000||Y||stereo / mono||-||-||micro||2.0||Y||Y||-|
Studio photographers will appreciate that the Fujifilm X-Pro3 (unlike the A6400) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the X-Pro3 and the A6400 are recent models that are part of the current product line-up. The A6400 replaced the earlier Sony A6300, while the X-Pro3 followed on from the Fujifilm X-Pro2. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Sony websites.
So how do things add up? Is the Fujifilm X-Pro3 better than the Sony A6400 or vice versa? The listing below highlights the relative strengths of the two models.
Advantages of the Fujifilm X-Pro3:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- More detailed viewfinder: Has higher resolution electronic viewfinder (3690k vs 2359k dots).
- More detailed LCD: Has a higher resolution rear screen (1620k vs 922k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More modern: Is somewhat more recent (announced 9 months after the A6400).
Reasons to prefer the Sony Alpha A6400:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.52x).
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster burst: Shoots at higher frequency (11 vs 8 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (120x67mm vs 141x83mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 94g or 19 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
- More heavily discounted: Has been on the market for longer (launched in January 2019).
If the number of relative strengths (bullet points above) is taken as a guide, the A6400 comes out slightly ahead of the X-Pro3 (11 : 10 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.
How about other alternatives? Do the specifications of the Fujifilm X-Pro3 and the Sony A6400 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-Pro3 or the A6400. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
This is why expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.
|1.||Fujifilm X-Pro3||4/5||+||4/5||85/100||4/5||..||Oct 2019||1,799|
|2.||Sony A6400||4/5||+||4/5||85/100||4.5/5||4/5||Jan 2019||899|
|3.||Fujifilm X100V||5/5||+ +||4.5/5||86/100||5/5||4.5/5||Feb 2020||1,399|
|4.||Fujifilm X-T4||5/5||+ +||5/5||88/100||5/5||5/5||Feb 2020||1,699|
|5.||Fujifilm X-A5||..||+||4.1/5||..||4/5||3.5/5||Jan 2018||399|
|6.||Fujifilm X-T3||5/5||+ +||4.5/5||88/100||5/5||5/5||Sep 2018||1,499|
|7.||Fujifilm X-H1||..||+||5/5||86/100||4.5/5||4.5/5||Feb 2018||1,899|
|8.||Fujifilm X-T100||4/5||+||4.5/5||79/100||4/5||4.5/5||May 2018||599|
|9.||Fujifilm X-Pro2||..||+||..||83/100||4.5/5||4.5/5||Jan 2016||1,699|
|10.||Fujifilm X-T2||5/5||+ +||..||86/100||4.5/5||5/5||Jul 2016||1,599|
|11.||Fujifilm X-T1||5/5||+ +||..||84/100||5/5||5/5||Jan 2014||1,299|
|12.||Nikon D5300||4/5||+ +||..||79/100||4.5/5||4.5/5||Oct 2013||799|
|13.||Samsung NX1||5/5||..||..||87/100||5/5||5/5||Sep 2014||1,499|
|14.||Sony A6100||..||..||4/5||82/100||4/5||5/5||Aug 2019||749|
|15.||Sony A6300||4.5/5||+||..||85/100||5/5||5/5||Feb 2016||999|
|16.||Sony A5100||4.5/5||+||..||..||4.5/5||5/5||Aug 2014||549|
|17.||Sony A6000||5/5||+||4.5/5||80/100||4.5/5||5/5||Feb 2014||599|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 650D vs Sony A6400
- Canon G9 X Mark II vs Sony A6400
- Fujifilm GFX 50R vs Sony A6400
- Fujifilm X-Pro3 vs Fujifilm X-T3
- Fujifilm X-Pro3 vs Fujifilm X30
- Fujifilm X-Pro3 vs Leica D-LUX 7
- Fujifilm X-Pro3 vs Nikon D6
- Fujifilm X-Pro3 vs Olympus E-PL9
- Fujifilm X-Pro3 vs Panasonic S5
- Nikon D600 vs Sony A6400
- Panasonic GH5s vs Sony A6400
- Panasonic GM1 vs Sony A6400
Specifications: Fujifilm X-Pro3 vs Sony A6400
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||Fujifilm X-Pro3||Sony A6400|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Fujifilm X mount lenses||Sony E mount lenses|
|Launch Date||October 2019||January 2019|
|Launch Price||USD 1,799||USD 899|
|Sensor Specs||Fujifilm X-Pro3||Sony A6400|
|Sensor Format||APS-C Sensor||APS-C Sensor|
|Sensor Size||23.6 x 15.6 mm||23.5 x 15.6 mm|
|Sensor Area||368.16 mm2||366.6 mm2|
|Sensor Diagonal||28.3 mm||28.2 mm|
|Sensor Resolution||26 Megapixels||24 Megapixels|
|Image Resolution||6240 x 4160 pixels||6000 x 4000 pixels|
|Pixel Pitch||3.76 μm||3.91 μm|
|Pixel Density||7.05 MP/cm2||6.55 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||4K/30p Video||4K/30p Video|
|ISO Setting||160 - 12,800 ISO||100 - 32,000 ISO|
|ISO Boost||80 - 51,200 ISO||100 - 102,400 ISO|
|Image Processor||X-Processor 4||BIONZ X|
|DXO Sensor Quality (score)||..||83|
|DXO Color Depth (bits)||..||24|
|DXO Dynamic Range (EV)||..||13.6|
|DXO Low Light (ISO)||..||1431|
|Screen Specs||Fujifilm X-Pro3||Sony A6400|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||3690k dots||2359k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1620k dots||922k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Shooting Specs||Fujifilm X-Pro3||Sony A6400|
|Focus System||On-Sensor Phase-detect||On-Sensor Phase-detect|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/4000s|
|Continuous Shooting||8 shutter flaps/s||11 shutter flaps/s|
|Electronic Shutter||up to 1/32000s||YES|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Second Storage Option||Dual card slots||Single card slot|
|UHS card support||Dual UHS-II||UHS-I|
|Connectivity Specs||Fujifilm X-Pro3||Sony A6400|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.1||USB 2.0|
|HDMI Port||no HDMI||micro HDMI|
|Microphone Port||External MIC port||External MIC port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||no NFC||NFC built-in|
|Bluetooth Support||Bluetooth built-in||Bluetooth built-in|
|Body Specs||Fujifilm X-Pro3||Sony A6400|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||440 shots per charge||410 shots per charge|
|In-Camera Charging||USB charging||USB charging|
141 x 83 x 46 mm
(5.6 x 3.3 x 1.8 in)
120 x 67 x 50 mm
(4.7 x 2.6 x 2.0 in)
|Camera Weight||497 g (17.5 oz)||403 g (14.2 oz)|
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