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Fujifilm X100S vs Sony A7R IV

The Fujifilm X100S and the Sony Alpha A7R IV are two enthusiast cameras that were revealed to the public, respectively, in January 2013 and July 2019. The X100S is a fixed lens compact, while the A7R IV is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (X100S) and a full frame (A7R IV) sensor. The Fujifilm has a resolution of 16 megapixels, whereas the Sony provides 60.2 MP.

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

Headline Specifications
Fujifilm X100S VS Sony A7R IV
Fujifilm X100S Sony A7R IV
Fixed lens compact camera Mirrorless system camera
35mm f/2.0 Sony E mount lenses
16 MP, APS-C Sensor 60.2 MP, Full Frame Sensor
1080/60p Video 4K/30p Video
ISO 200-6400 (100-25600) ISO 100-32000 (50-102400)
Electronic viewfinder (2360k dots) Electronic viewfinder (5760k dots)
2.8" LCD, 460k dots 3.0" LCD, 1440k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 10 shutter flaps per second
No shake reductionIn-body stabilization
Not weather sealedWeathersealed body
330 shots per battery charge670 shots per battery charge
127 x 74 x 54 mm, 445 g 129 x 96 x 78 mm, 665 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X100S and the Sony Alpha A7R IV? 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

The physical size and weight of the Fujifilm X100S and the Sony A7R IV are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The X100S can be obtained in two different colors (black, silver), while the A7R IV is only available in black.

Size Fujifilm X100S vs Sony A7R IV
Compare X100S versus A7R IV top
Comparison X100S or A7R IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R IV is notably larger (32 percent) than the Fujifilm X100S. It is noteworthy in this context that the A7R IV is splash and dust-proof, while the X100S does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X100S has a lens built in, whereas the A7R IV is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A7R IV and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the X100S gets 330 shots out of its NP-95 battery, while the A7R IV can take 670 images on a single charge of its NP-FZ100 power pack. The power pack in the A7R IV can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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)
Camera
Model
 
Fujifilm X100S» 127 mm 74 mm 54 mm 445 g 330 n Jan 2013 1,299iFujifilm X100S
 
Sony A7R IV« 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 iSony A7R IV
 
Canon G1 X« » 117 mm 81 mm 65 mm 534 g 250 n Jan 2012 799iCanon G1 X
 
Fujifilm X100F« » 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299iFujifilm X100F
 
Fujifilm X30« » 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 599 iFujifilm X30
 
Fujifilm X100T« » 127 mm 74 mm 52 mm 440 g 330 n Sep 2014 1,299iFujifilm X100T
 
Fujifilm X-Pro1« » 140 mm 82 mm 43 mm 450 g 300 n Jan 2012 1,699iFujifilm X-Pro1
 
Fujifilm X100« » 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 1,199iFujifilm X100
 
Leica D-LUX 7« » 115 mm 66 mm 65 mm 392 g 300 n Nov 2018 1,195 iLeica D-LUX 7
 
Leica D-LUX Typ 109« » 118 mm 66 mm 55 mm 405 g 300 n Sep 2014 1,195iLeica D-LUX Typ 109
 
Leica X Typ 113« » 133 mm 73 mm 78 mm 486 g 350 n Sep 2014 2,295 iLeica X Typ 113
 
Nikon Coolpix A« » 111 mm 64 mm 40 mm 299 g 230 n Mar 2013 1,099iNikon Coolpix A
 
Sony A9 II« » 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 iSony A9 II
 
Sony A7 III« » 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 iSony A7 III
 
Sony A7R III« » 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199iSony A7R III
 
Sony A7R II« » 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199iSony A7R II
 
Sony A7S II« » 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999 iSony A7S II
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The X100S was launched at a lower price than the A7R IV, despite having a lens built in. 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.

 

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm X100S features an APS-C sensor and the Sony A7R IV a full frame sensor. The sensor area in the A7R IV 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.

Fujifilm X100S and Sony A7R IV sensor measures

With 60.2MP, the A7R IV offers a higher resolution than the X100S (16MP), but the A7R IV has smaller individual pixels (pixel pitch of 3.76μm versus 4.80μm for the X100S). Yet, the A7R IV is a much more recent model (by 6 years and 6 months) than the X100S, 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A7R IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R IV for good quality output (200 dots per inch) amounts to 47.5 x 31.7 inch or 120.7 x 80.5 cm, for very good quality (250 dpi) 38 x 25.3 inch or 96.6 x 64.4 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inch or 80.5 x 53.6 cm. The corresponding values for the Fujifilm X100S are 24.5 x 16.3 inch or 62.2 x 41.5 cm for good quality, 19.6 x 13.1 inch or 49.7 x 33.2 cm for very good quality, and 16.3 x 10.9 inch or 41.5 x 27.6 cm for excellent quality prints.

Unlike the X100S, the A7R IV has the capacity to capture high quality composite images (241MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm X100S has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha A7R IV are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

X100S versus A7R IV MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Fujifilm X100S APS-C 16.0 4896 32641080/60p........Fujifilm X100S
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p........Sony A7R IV
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460Canon G1 X
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........Fujifilm X100F
 
Fujifilm X30 2/3 12.0 4000 30001080/60p........Fujifilm X30
 
Fujifilm X100T APS-C 16.0 4896 32641080/60p........Fujifilm X100T
 
Fujifilm X-Pro1 APS-C 16.0 4896 32641080/24p........Fujifilm X-Pro1
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173Fujifilm X100
 
Leica D-LUX 7 Four Thirds 16.8 4736 35524K/30p........Leica D-LUX 7
 
Leica D-LUX Typ 109 Four Thirds 12.7 4112 30884K/30p........Leica D-LUX Typ 109
 
Leica X Typ 113 APS-C 16.1 4928 32641080/30p........Leica X Typ 113
 
Nikon Coolpix A APS-C 16.1 4928 32641080/30p23.413.8116480Nikon Coolpix A
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493Sony A9 II
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7R IV provides a better video resolution than the X100S. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 1080/60p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7R IV offers a substantially higher resolution than the one in the X100S (5760k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm X100S and Sony A7R IV in connection with corresponding information for a sample of similar 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
 
Fujifilm X100S2360 n 2.8 460 fixed n 1/4000s 6.0 Y n Fujifilm X100S
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R IV
 
Canon G1 Xoptical n 3.0 922 Swivel n 1/4000s 1.9 Y Y Canon G1 X
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n Fujifilm X100F
 
Fujifilm X302360 n 3.0 920 tilting n 1/4000s 12.0 Y Y Fujifilm X30
 
Fujifilm X100T2360 n 3.0 1040 fixed n 1/4000s 6.0 Y n Fujifilm X100T
 
Fujifilm X-Pro11440 n 3.0 1230 fixed n 1/4000s 6.0 n n Fujifilm X-Pro1
 
Fujifilm X1001440 n 2.8 460 fixed n 1/4000s 5.0 Y n Fujifilm X100
 
Leica D-LUX 72764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y Leica D-LUX 7
 
Leica D-LUX Typ 1092764 n 3.0 921 fixed n 1/4000s 11.0 n Y Leica D-LUX Typ 109
 
Leica X Typ 113optional n 3.0 920 fixed n 1/2000s 5.0 Y n Leica X Typ 113
 
Nikon Coolpix Aoptional n 3.0 921 fixed n 1/2000s 4.0 Y n Nikon Coolpix A
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A9 II
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II

One difference between the cameras concerns the presence of an on-board flash. The X100S has one, while the A7R IV does not. While the built-in flash of the X100S is not very powerful, it can at times be useful as a fill-in light.

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 A7R IV is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Sony A7R IV 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.

Concerning the storage of imaging data, both the X100S and the A7R IV write their files to SDXC cards. The A7R IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the X100S only has one slot. The A7R IV supports UHS-II cards (on both slots), while the X100S can use UHS-I cards.

 

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 Fujifilm X100S and Sony Alpha A7R IV 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Fujifilm X100SYstereomono--micro2.0---Fujifilm X100S
 
Sony A7R IVYstereomonoYYmicro3.1YYYSony A7R IV
 
Canon G1 XYstereomono--mini2.0---Canon G1 X
 
Fujifilm X100FYstereomonoY-micro2.0Y--Fujifilm X100F
 
Fujifilm X30Ystereomono--micro2.0Y--Fujifilm X30
 
Fujifilm X100TYstereomonoY-micro2.0Y--Fujifilm X100T
 
Fujifilm X-Pro1Ystereomono--mini2.0---Fujifilm X-Pro1
 
Fujifilm X100Ystereonone--mini2.0---Fujifilm X100
 
Leica D-LUX 7Ystereomono--micro2.0Y-YLeica D-LUX 7
 
Leica D-LUX Typ 109Ystereomono--micro2.0YY-Leica D-LUX Typ 109
 
Leica X Typ 113Ystereomono--mini2.0---Leica X Typ 113
 
Nikon Coolpix AYstereomono--none2.0---Nikon Coolpix A
 
Sony A9 IIYstereomonoYYmicro3.1YYYSony A9 II
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III
 
Sony A7R IIIYstereomonoYYmicro3.1YYYSony A7R III
 
Sony A7R IIYstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7S IIYstereomonoYYmicro2.0YY-Sony A7S II

It is notable that the A7R IV offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the X100S does not offer wifi capability.

Studio photographers will appreciate that the Sony A7R IV (unlike the X100S) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A7R IV is a recent model that features in the current product line-up of Sony. In contrast, the X100S has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the X100S was succeeded by the Fujifilm X100T. 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.

Review summary

So how do things add up? Is the Fujifilm X100S better than the Sony A7R IV or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Fujifilm X100S:

  • Ready to shoot: Has a lens built-in, whereas the A7R IV requires a separate lens.
  • More compact: Is smaller (127x74mm vs 129x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R IV).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in January 2013).

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Advantages of the Sony Alpha A7R IV:

  • More detail: Has more megapixels (60.2 vs 16MP), which boosts linear resolution by 94%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.43x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (670 versus 330) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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.
  • 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: Reflects 6 years and 6 months of technical progress since the X100S launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A7R IV is the clear winner of the contest (31 : 6 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X100S 06:31 A7R IV

How about other alternatives? Do the specifications of the Fujifilm X100S and the Sony A7R IV place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Mirrorless Interchangeable Lens 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 incomplete and does no justice, for example, to the way the X100S or the A7R IV perform in practice. 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 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 (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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Fujifilm X100S+ +81/1004.5/54/55/5 Jan 2013 1,299iFujifilm X100S
 
Sony A7R IV+91/1004.5/55/55/5 Jul 2019 3,499 iSony A7R IV
 
Canon G1 X+76/1004/54/54.5/5 Jan 2012 799iCanon G1 X
 
Fujifilm X100F+83/1004.5/5..4.5/5 Jan 2017 1,299iFujifilm X100F
 
Fujifilm X30..76/1004.5/54/54.5/5 Aug 2014 599 iFujifilm X30
 
Fujifilm X100T+81/1004.5/54.5/55/5 Sep 2014 1,299iFujifilm X100T
 
Fujifilm X-Pro1+ +79/1004.5/54/54.5/5 Jan 2012 1,699iFujifilm X-Pro1
 
Fujifilm X100..75/1004/54/55/5 Sep 2010 1,199iFujifilm X100
 
Leica D-LUX 7........4.5/5 Nov 2018 1,195 iLeica D-LUX 7
 
Leica D-LUX Typ 109....4.5/5..4.5/5 Sep 2014 1,195iLeica D-LUX Typ 109
 
Leica X Typ 113....3.5/5..4/5 Sep 2014 2,295 iLeica X Typ 113
 
Nikon Coolpix A+75/1004/54.5/54/5 Mar 2013 1,099iNikon Coolpix A
 
Sony A9 II....5/5..5/5 Oct 2019 4,499 iSony A9 II
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199iSony A7R III
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199iSony A7R II
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999 iSony A7S II
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Fujifilm X100S:
Check Ebay offers
Sony A7R IV:
Check Amazon price

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 make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X100S vs Sony A7R IV

    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 Fujifilm X100S Sony A7R IV
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 35mm f/2.0 Sony E mount lenses
    Launch Date January 2013 July 2019
    Launch Price USD 1299 USD 3499
    Sensor Specs Fujifilm X100S Sony A7R IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.6 mm 35.7 x 23.8 mm
    Sensor Area 368.16 mm2 849.66 mm2
    Sensor Diagonal 28.3 mm 42.9 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 16 Megapixels 60.2 Megapixels
    Image Resolution 4896 x 3264 pixels 9504 x 6336 pixels
    Pixel Pitch 4.80 μm 3.76 μm
    Pixel Density 4.34 MP/cm2 7.09 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 200-6400 ISO 100-32000 ISO
    ISO Boost 100-25600 ISO 50-102400 ISO
    Image Processor EXR Processor II BIONZ X
    Screen Specs Fujifilm X100S Sony A7R IV
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.43x 0.78x
    Viewfinder Resolution 2360k dots 5760k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.8 inch 3.0 inch
    LCD Resolution 460k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Fujifilm X100S Sony A7R IV
    Focus 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 6 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationNo shake reductionIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Fujifilm X100S Sony A7R IV
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Fujifilm X100S Sony A7R IV
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type NP-95 NP-FZ100
    Battery Life (CIPA)330 shots per charge670 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 74 x 54 mm
    (5.0 x 2.9 x 2.1 in)
    129 x 96 x 78 mm
    (5.1 x 3.8 x 3.1 in)
    Camera Weight 445 g (15.7 oz) 665 g (23.5 oz)

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