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Fujifilm X100 versus Sony RX100 IV

The Fujifilm FinePix X100 and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were announced, respectively, in September 2010 and June 2015. Both the X100 and the RX100 IV are fixed lens compact cameras that are based on an APS-C (X100) and an one-inch (RX100 IV) sensor. The Fujifilm has a resolution of 12.2 megapixel, whereas the Sony provides 20 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Fujifilm X100 vs Sony RX100 IV

The side-by-side display below illustrates the physical size and weight of the Fujifilm X100 and the Sony RX100 IV. 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 you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the X100 – represents 100 percent across all the size and weight measures).

Compare Fujifilm X100 vs Sony RX100 IV
Compare X100 versus RX100 IV top
Compare X100 and RX100 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 IV is considerably smaller (37 percent) than the Fujifilm X100. Moreover, the RX100 IV is markedly lighter (33 percent) than the X100. In this context, it is worth noting that neither the X100 nor the RX100 IV are weather-sealed.

Concerning battery life, the X100 gets 300 shots out of its NP-95 battery, while the RX100 IV can take 280 images on a single charge of its NP-BX1 power pack.

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.

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
Fujifilm X100» 5.0 in 3.0 in 2.1 in 15.7 oz 300 n Sep 2010 1,199- i Fujifilm X100
Sony RX100 IV« 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i Sony RX100 IV
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Canon G1 X« » 4.6 in 3.2 in 2.6 in 18.8 oz 250 n Jan 2012 799- i Canon G1 X
Canon 1100D« » 5.1 in 3.9 in 3.1 in 17.5 oz 700 n Feb 2011 449- i Canon 1100D
Fujifilm X100F« » 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299 i i Fujifilm X100F
Fujifilm X30« » 4.7 in 2.8 in 2.4 in 14.9 oz 470 n Aug 2014 599 i i Fujifilm X30
Fujifilm X100T« » 5.0 in 2.9 in 2.0 in 15.5 oz 330 n Sep 2014 1,299- i Fujifilm X100T
Fujifilm X100S« » 5.0 in 2.9 in 2.1 in 15.7 oz 330 n Jan 2013 1,299- i Fujifilm X100S
Leica D-LUX Typ 109« » 4.6 in 2.6 in 2.2 in 14.3 oz 300 n Sep 2014 1,195 i i Leica D-LUX Typ 109
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i Panasonic FZ1000
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 i i Panasonic LX100
Panasonic FZ150« » 4.9 in 3.2 in 3.6 in 18.6 oz 410 n Aug 2011 499- i Panasonic FZ150
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i Sony A6000
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799- i Sony RX100 III
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

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 RX100 IV was launched at a somewhat lower price (by 17 percent) than the X100, which makes it more attractive for photographers on a tight budget. 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: Fujifilm X100 vs Sony RX100 IV

The size of the sensor inside a digital camera is one of the key determinants 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 Fujifilm X100 features an APS-C sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 69 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X100 and Sony RX100 IV sensor measures

Despite having a smaller sensor, the RX100 IV offers a higher resolution of 20 megapixel, compared with 12.2 MP of the X100. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 2.41μm versus 5.53μm for the X100). However, it should be noted that the RX100 IV is much more recent (by 4 years and 8 months) than the X100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the X100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

X100 versus RX100 IV MP

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 image quality. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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 X100» APS-C 12.2 4288 2848720/30p22.912.4100173Fujifilm X100
Sony RX100 IV« 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Canon G1 X« » 1.5-inch 14.2 4352 32641080/24p21.710.864460Canon G1 X
Canon 1100D« » APS-C 12.2 4272 2848720/30p21.911.075562Canon 1100D
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 X100S« » APS-C 16.0 4896 32641080/60p----Fujifilm X100S
Leica D-LUX Typ 109« » Four Thirds 12.7 4112 30884K/30p----Leica D-LUX Typ 109
Panasonic FZ1000« » 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000
Panasonic LX100« » Four Thirds 12.7 4112 30884K/30p22.312.555367Panasonic LX100
Panasonic FZ150« » 1/2.3 12.0 4000 30001080/60p19.410.913240Panasonic FZ150
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III
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 have a sensor with sufficiently fast read-out times for moving pictures, but the RX100 IV provides a better video resolution than the X100. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 720/30p.

 

Feature comparison: Fujifilm X100 vs Sony RX100 IV

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 RX100 IV offers a substantially higher resolution than the one in the X100 (2359k vs 1440k dots). The adjacent table lists some of the other core features of the Fujifilm X100 and Sony RX100 IV along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Fujifilm X100»1440 n 2.8 460 fixed n 4000 5.0 Y n Fujifilm X100
Sony RX100 IV«2359 n 3.0 1228 tilting n 2000 16.0 Y Y Sony RX100 IV
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Canon G1 X« »optical n 3.0 922 Swivel n 4000 1.9 Y Y Canon G1 X
Canon 1100D« »optical n 2.7 230 fixed n 4000 3.0 Y n Canon 1100D
Fujifilm X100F« »2360 n 3.0 1040 fixed n 4000 8.0 Y n Fujifilm X100F
Fujifilm X30« »2360 n 3.0 920 tilting n 4000 12.0 Y Y Fujifilm X30
Fujifilm X100T« »2360 n 3.0 1040 fixed n 4000 6.0 Y n Fujifilm X100T
Fujifilm X100S« »2360 n 2.8 460 fixed n 4000 6.0 Y n Fujifilm X100S
Leica D-LUX Typ 109« »2764 n 3.0 921 fixed n 4000 11.0 n Y Leica D-LUX Typ 109
Panasonic FZ1000« »2359 n 3.0 921 swivel n 4000 12.0 Y Y Panasonic FZ1000
Panasonic LX100« »2764 n 3.0 921 fixed n 4000 11.0 n Y Panasonic LX100
Panasonic FZ150« »202 n 3.0 460 swivel n 2000 12.0 Y Y Panasonic FZ150
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Sony A6000« »1440 n 3.0 922 tilting n 4000 11.0 Y n Sony A6000
Sony RX100 III« »1440 n 3.0 1229 tilting n 2000 10.0 Y Y Sony RX100 III
Sony NEX-7« »2359 n 3.0 921 tilting n 4000 10.0 Y n Sony NEX-7

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the RX100 IV features an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

The RX100 IV is equipped with a zoom lens, while the X100 comes with a build-in prime. The RX100 IV has a 24-70mm f/1.8-2.8 optic and the X100 offers a 35mm f/2.0 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the Fujifilm. The RX100 IV offers the faster maximum aperture.

The X100 writes its imaging data to SDXC cards, while the RX100 IV uses SDXC or Memory Stick PRO Duo cards.

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
Fujifilm X100»Ystereo---mini2.0---Fujifilm X100
Sony RX100 IV«-stereomono--micro2.0YY-Sony RX100 IV
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Canon G1 X« »Ystereomono--mini2.0---Canon G1 X
Canon 1100D« »Ystereomono--mini2.0---Canon 1100D
Fujifilm X100F« »YstereomonoY-micro2.0Y--Fujifilm X100F
Fujifilm X30« »Ystereomono--micro2.0Y--Fujifilm X30
Fujifilm X100T« »YstereomonoY-micro2.0Y--Fujifilm X100T
Fujifilm X100S« »Ystereomono--micro2.0---Fujifilm X100S
Leica D-LUX Typ 109« »Ystereomono--micro2.0YY-Leica D-LUX Typ 109
Panasonic FZ1000« »YstereomonoY-micro2.0YY-Panasonic FZ1000
Panasonic LX100« »Ystereomono--micro2.0YY-Panasonic LX100
Panasonic FZ150« »Ystereo---mini2.0---Panasonic FZ150
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
Sony A6000« »Ystereomono--micro2.0YY-Sony A6000
Sony RX100 III« »-stereomono--micro2.0YY-Sony RX100 III
Sony NEX-7« »Ystereomono--mini2.0---Sony NEX-7

Both the X100 and the RX100 IV have been discontinued, but can regularly be found used on eBay. The X100 was replaced by the Fujifilm X100S, while the RX100 IV was followed by the Sony RX100 IV.

Review summary: Fujifilm X100 vs Sony RX100 IV

So how do things add up? Is there a clear favorite between the Fujifilm X100 and the Sony RX100 IV? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Fujifilm FinePix X100:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better low-light sensitivity: Requires less light for good images (0.8 stops ISO advantage).
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 2000/sec) to freeze action.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been available for much longer (launched in September 2010).

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Arguments in favor of the Sony Cyber-shot DSC-RX100 IV:

  • More detail: Has more megapixels (20 vs 12.2MP), which boosts linear resolution by 28%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (4K/30p vs 720/30p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1440k dots).
  • 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 (1228k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (16 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/2.0).
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • More compact: Is smaller (102x58mm vs 126x75mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 147g or 33 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • Easier file upload: Has wifi build in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was released into a lower priced segment (17 percent cheaper at launch).
  • More modern: Reflects 4 years and 8 months of technical progress since the X100 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the RX100 IV is the clear winner of the contest (18 : 5 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.

X100 05:18 RX100 IV

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the X100 and the RX100 IV 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. This is why hands-on reviews by experts are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Fujifilm X100»-75/1004/54/55/5 Sep 2010 1,199- i Fujifilm X100
Sony RX100 IV«HiRec85/1004/54.5/54.5/5 Jun 2015 999- i Sony RX100 IV
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Canon G1 X« »Rec76/1004/54/54.5/5 Jan 2012 799- i Canon G1 X
Canon 1100D« »80/10069/1004/54/54.5/5 Feb 2011 449- i Canon 1100D
Fujifilm X100F« »Rec83/1004.5/5-4.5/5 Jan 2017 1,299 i i Fujifilm X100F
Fujifilm X30« »-76/1004.5/54/54.5/5 Aug 2014 599 i i Fujifilm X30
Fujifilm X100T« »Rec81/1004.5/54.5/55/5 Sep 2014 1,299- i Fujifilm X100T
Fujifilm X100S« »HiRec81/1004.5/54/55/5 Jan 2013 1,299- i Fujifilm X100S
Leica D-LUX Typ 109« »--4.5/5-4.5/5 Sep 2014 1,195 i i Leica D-LUX Typ 109
Panasonic FZ1000« »HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i Panasonic FZ1000
Panasonic LX100« »HiRec85/1005/54/55/5 Sep 2014 899 i i Panasonic LX100
Panasonic FZ150« »HiRec76/1004/55/54.5/5 Aug 2011 499- i Panasonic FZ150
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Sony A6000« »Rec80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
Sony RX100 III« »HiRec82/1004.5/54.5/55/5 May 2014 799- i Sony RX100 III
Sony NEX-7« »HiRec81/1004.5/55/55/5 Aug 2011 1,349- i Sony NEX-7

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. If you do not see the camera that you are looking for, kindly get in touch, and I will try to locate and add the respective data to the application.

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