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Fujifilm X20 vs Sony RX100 IV

The Fujifilm X20 and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were officially introduced, respectively, in January 2013 and June 2015. Both the X20 and the RX100 IV are fixed lens compact cameras that are based on a 2/3 (X20) and an one-inch (RX100 IV) sensor. The Fujifilm has a resolution of 12 megapixels, whereas the Sony provides 20 MP.

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

Headline Specifications
Fujifilm X20
versus
Sony RX100 IV
Fujifilm X20   Sony RX100 IV
Fixed lens compact camera Fixed lens compact camera
28-112mm f/2.0-2.8 24-70mm f/1.8-2.8
12 MP – Two Thirds sensor 20 MP – 1" sensor
1080/60p Video 4K/30p Video
ISO 100-12,800 ISO 125-12,800 (80 - 25,600)
Optical viewfinder Electronic viewfinder (2359k dots)
2.8" LCD – 460k dots 3.0" LCD – 1228k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
12 shutter flaps per second 16 shutter flaps per second
270 shots per battery charge280 shots per battery charge
117 x 70 x 57 mm, 353 g 102 x 58 x 41 mm, 298 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X20 and the Sony Cyber-shot DSC-RX100 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm X20 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 size dimensions are rounded to the nearest millimeter.

The X20 can be obtained in two different colors (black, silver), while the RX100 IV is only available in black.

Size Fujifilm X20 vs Sony RX100 IV
Compare X20 versus RX100 IV top
Comparison X20 or 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 notably smaller (28 percent) than the Fujifilm X20. Moreover, the RX100 IV is markedly lighter (16 percent) than the X20. In this context, it is worth noting that neither the X20 nor the RX100 IV are weather-sealed.

Concerning battery life, the X20 gets 270 shots out of its Fujifilm NP-50 battery, while the RX100 IV can take 280 images on a single charge of its Sony NP-BX1 power pack. The power pack in the RX100 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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm X20 117 mm 70 mm 57 mm 353 g 270 n Jan 2013 US$ 599ebay.com
2.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 US$ 999ebay.com
3.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 US$ 699ebay.com
4.
 
Canon G15 107 mm 76 mm 40 mm 352 g 350 n Sep 2012 US$ 499ebay.com
5.
 
Canon G16 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 US$ 549ebay.com
6.
 
Fujifilm X10 117 mm 70 mm 57 mm 350 g 270 n Sep 2011 US$ 599ebay.com
7.
 
Fujifilm X30 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 US$ 599ebay.com
8.
 
Fujifilm XQ1 100 mm 59 mm 33 mm 206 g 240 n Oct 2013 US$ 499ebay.com
9.
 
Leica D-LUX 6 111 mm 68 mm 46 mm 298 g 330 n Sep 2012 US$ 699ebay.com
10.
 
Nikon P7800 119 mm 78 mm 50 mm 399 g 350 n Sep 2013 US$ 549ebay.com
11.
 
Olympus Stylus 1 116 mm 87 mm 57 mm 402 g 410 n Oct 2013 US$ 699ebay.com
12.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 US$ 899ebay.com
13.
 
Panasonic LX7 111 mm 68 mm 46 mm 298 g 330 n Jul 2012 US$ 499ebay.com
14.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 US$ 599ebay.com
15.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 US$ 799ebay.com
16.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 US$ 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The X20 was launched at a markedly lower price (by 40 percent) than the RX100 IV, 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

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X20 features a 2/3 sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 100 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 3.9 and 2.7. The sensor in the X20 has a native 4:3 aspect ratio, while the one in the RX100 IV offers a 3:2 aspect.

Fujifilm X20 and Sony RX100 IV sensor measures

With 20MP, the RX100 IV offers a higher resolution than the X20 (12MP), but the RX100 IV nevertheless has larger individual pixels (pixel pitch of 2.41μm versus 2.20μm for the X20) due to its larger sensor. Moreover, the RX100 IV is a much more recent model (by 2 years and 5 months) than the X20, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the X20 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony RX100 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the RX100 IV for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Fujifilm X20 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The X20 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Fujifilm X20 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Cyber-shot DSC-RX100 IV are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

In terms of underlying technology, the X20 is build around a CMOS sensor, while the RX100 IV uses a BSI-CMOS imager. The X20 uses Fujifilm's X-Trans layout of photosites, while the RX100 IV employs the more common Bayer array.

X20 versus RX100 IV MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X20 2/3 12.0 4000 30001080/60p20.110.9-46246
2.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
3.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
4.
 
Canon G15 1/1.7 12.0 4000 30001080/24p19.911.516546
5.
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
6.
 
Fujifilm X10 2/3 12.0 4000 30001080/30p20.511.324550
7.
 
Fujifilm X30 2/3 12.0 4000 30001080/60p20.411.2-31249
8.
 
Fujifilm XQ1 2/3 12.0 4000 30001080/60p20.311.0-39047
9.
 
Leica D-LUX 6 1/1.7 10.0 3648 27361080/60p19.810.8-30343
10.
 
Nikon P7800 1/1.7 12.0 4000 30001080/30p21.211.720054
11.
 
Olympus Stylus 1 1/1.7 11.8 3968 29761080/30p20.711.617951
12.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
13.
 
Panasonic LX7 1/1.7 10.0 3648 27361080/60p20.711.714750
14.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
15.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
16.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the RX100 IV provides a better video resolution than the X20. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the RX100 IV has an electronic viewfinder (2359k dots), while the X20 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The table below summarizes some of the other core capabilities of the Fujifilm X20 and Sony RX100 IV in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm X20optical n2.8 / 460 fixed n 1/4000s 12.0/s Y Y
2.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
3.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
4.
 
Canon G15optical n3.0 / 922 fixed n 1/4000s 2.1/s Y Y
5.
 
Canon G16optical n3.0 / 922 fixed n 1/4000s 2.2/s Y Y
6.
 
Fujifilm X10optical n2.8 / 460 fixed n 1/4000s 10.0/s Y Y
7.
 
Fujifilm X302360 n3.0 / 920 tilting n 1/4000s 12.0/s Y Y
8.
 
Fujifilm XQ1none n3.0 / 920 fixed n 1/4000s 12.0/s Y Y
9.
 
Leica D-LUX 6optional n3.0 / 920 fixed n 1/4000s 11.0/s Y Y
10.
 
Nikon P7800921 n3.0 / 921 swivel n 1/4000s 8.0/s Y Y
11.
 
Olympus Stylus 11440 n3.0 / 1040 tilting Y 1/2000s 7.0/s Y Y
12.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
13.
 
Panasonic LX7optional n3.0 / 920 fixed n 1/4000s 11.0/s Y Y
14.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
15.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
16.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
The RX100 IV 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 X20 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, the RX100 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).

Both the X20 and the RX100 IV have zoom lenses built in. The X20 has a 28-112mm f/2.0-2.8 optic and the RX100 IV offers a 24-70mm f/1.8-2.8 (focal lengths in full frame equivalent terms). Hence, the Sony provides a wider angle of view at the short end than the Fujifilm, but less tele-photo reach at the long end. The RX100 IV offers the faster maximum aperture.

The X20 writes its imaging data to SDXC cards, while the RX100 IV uses SDXC or Memory Stick PRO Duo cards. The RX100 IV supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the X20 cannot take advantage of Ultra High Speed SD cards.

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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 X20 and Sony Cyber-shot DSC-RX100 IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X20Ystereo / mono--micro2.0---
2.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
3.
 
Canon G7 X-stereo / mono--micro2.0YY-
4.
 
Canon G15Ystereo / mono--mini2.0---
5.
 
Canon G16Ystereo / mono--mini2.0Y--
6.
 
Fujifilm X10Ystereo / mono--mini2.0---
7.
 
Fujifilm X30Ystereo / mono--micro2.0Y--
8.
 
Fujifilm XQ1-stereo / mono--micro2.0Y--
9.
 
Leica D-LUX 6Ystereo / mono--mini2.0---
10.
 
Nikon P7800Ystereo / monoY-mini2.0---
11.
 
Olympus Stylus 1Ystereo / mono--micro2.0Y--
12.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
13.
 
Panasonic LX7Ystereo / mono--mini2.0---
14.
 
Sony A6000Ystereo / mono--micro2.0YY-
15.
 
Sony RX100 III-stereo / mono--micro2.0YY-
16.
 
Sony RX100 V-stereo / mono--micro2.0YY-

It is notable that the X20 has a hotshoe, while the RX100 IV does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Both the X20 and the RX100 IV have been discontinued, but can regularly be found used on ebay. The X20 was replaced by the Fujifilm X30, while the RX100 IV was followed by the Sony RX100 IV. Further information on the features and operation of the X20 and RX100 IV can be found, respectively, in the Fujifilm X20 Manual (free pdf) or the online Sony RX100 IV Manual.

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Review summary

So what conclusions can be drawn? Is the Fujifilm X20 better than the Sony RX100 IV or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Fujifilm X20:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More affordable: Was introduced into a lower priced category (40 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in January 2013).

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Reasons to prefer the Sony Cyber-shot DSC-RX100 IV:

  • More detail: Has more megapixels (20 vs 12MP), which boosts linear resolution by 32%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (16 vs 12 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 117x70mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 55g or 16 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 2 years and 5 months of technical progress since the X20 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 (23 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X20 08:23 RX100 IV

How about other alternatives? Do the specifications of the Fujifilm X20 and the Sony RX100 IV place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the X20 or the RX100 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 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 (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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm X204/5+ +..77/1004.5/55/5 Jan 2013 US$ 599ebay.com
2.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 US$ 999ebay.com
3.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 US$ 699ebay.com
4.
 
Canon G154/5+..76/1004.5/54.5/5 Sep 2012 US$ 499ebay.com
5.
 
Canon G164/5+....4.5/54.5/5 Aug 2013 US$ 549ebay.com
6.
 
Fujifilm X10......76/1004/54.5/5 Sep 2011 US$ 599ebay.com
7.
 
Fujifilm X304/5....76/1004.5/54.5/5 Aug 2014 US$ 599ebay.com
8.
 
Fujifilm XQ1........4.5/54.5/5 Oct 2013 US$ 499ebay.com
9.
 
Leica D-LUX 6........4/54/5 Sep 2012 US$ 699ebay.com
10.
 
Nikon P78003/5......4/54.5/5 Sep 2013 US$ 549ebay.com
11.
 
Olympus Stylus 1..+ +....4.5/54.5/5 Oct 2013 US$ 699ebay.com
12.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 US$ 899ebay.com
13.
 
Panasonic LX73/5+ +..75/1004/54.5/5 Jul 2012 US$ 499ebay.com
14.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 US$ 599ebay.com
15.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 US$ 799ebay.com
16.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 US$ 999ebay.com
Note: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Fujifilm X20 vs Sony RX100 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 X20 Sony RX100 IV
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 28-112mm f/2.0-2.8 24-70mm f/1.8-2.8
    Launch Date January 2013 June 2015
    Launch Price USD 599 USD 999
    Sensor Specs Fujifilm X20 Sony RX100 IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Two Thirds Sensor 1" Sensor
    Sensor Size 8.8 x 6.6 mm 13.2 x 8.8 mm
    Sensor Area 58.08 mm2 116.16 mm2
    Sensor Diagonal 11 mm 15.9 mm
    Crop Factor 3.9x 2.7x
    Sensor Resolution 12 Megapixels 20 Megapixels
    Image Resolution 4000 x 3000 pixels 5472 x 3648 pixels
    Pixel Pitch 2.20 μm 2.41 μm
    Pixel Density 20.66 MP/cm2 17.18 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 125 - 12,800 ISO
    ISO Boost no Enhancement 80 - 25,600 ISO
    Image Processor EXR Processor II BIONZ X
    DXO Sensor Quality (score) .. 70
    DXO Color Depth (bits) .. 22.8
    DXO Dynamic Range (EV) .. 12.6
    DXO Low Light (ISO) .. 591
    Screen Specs Fujifilm X20 Sony RX100 IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 85% 100%
    Viewfinder Magnification 0.59x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.8inch 3.0inch
    LCD Resolution 460k dots 1228k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Fujifilm X20 Sony RX100 IV
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/2000s
    Continuous Shooting 12 shutter flaps/s 16 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Fujifilm X20 Sony RX100 IV
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Fujifilm X20 Sony RX100 IV
    Battery Type Fujifilm NP-50 Sony NP-BX1
    Battery Life (CIPA)270 shots per charge280 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 117 x 70 x 57 mm
    (4.6 x 2.8 x 2.2 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 353 g (12.5 oz) 298 g (10.5 oz)
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    Check X20 offers at
    ebay.com
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    Check RX100 IV offers at
    ebay.com

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