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Fujifilm X100S vs X20

The Fujifilm X100S and the Fujifilm X20 are two digital cameras that were announced in January 2013. Both the X100S and the X20 are fixed lens compact cameras that are based on an APS-C (X100S) and a 2/3 (X20) sensor. The X100S has a resolution of 16 megapixels, whereas the X20 provides 12 MP.

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

Headline Specifications
Fujifilm X100S versus Fujifilm X20
Fujifilm X100S Fujifilm X20
Fixed lens compact camera Fixed lens compact camera
35mm f/2.0 28-112mm f/2.0-2.8
16 MP, APS-C Sensor 12 MP, Two Thirds Sensor
1080/60p Video 1080/60p Video
ISO 200-6,400 (100 - 25,600) ISO 100-12,800
Electronic viewfinder (2360k dots) Optical viewfinder
2.8 LCD, 460k dots 2.8 LCD, 460k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
6 shutter flaps per second 12 shutter flaps per second
330 shots per battery charge270 shots per battery charge
127 x 74 x 54 mm, 445 g 117 x 70 x 57 mm, 353 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X100S and the Fujifilm X20? 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 side-by-side display below illustrates the physical size and weight of the Fujifilm X100S and the Fujifilm X20. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, silver).

Size Fujifilm X100S vs Fujifilm X20
Compare X100S versus X20 top
Comparison X100S or X20 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm X20 is notably smaller (13 percent) than the Fujifilm X100S. Moreover, the X20 is markedly lighter (21 percent) than the X100S. In this context, it is worth noting that neither the X100S nor the X20 are weather-sealed.

Concerning battery life, the X100S gets 330 shots out of its NP-95 battery, while the X20 can take 270 images on a single charge of its NP-50 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Fujifilm X100S 5.0 in 2.9 in 2.1 in 15.7 oz 330 n Jan 2013 1,299i
 
Fujifilm X20 4.6 in 2.8 in 2.2 in 12.5 oz 270 n Jan 2013 599i
 
Canon G16 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i
 
Canon G1 X 4.6 in 3.2 in 2.6 in 18.8 oz 250 n Jan 2012 799i
 
Fujifilm X100F 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299i
 
Fujifilm X-T10 4.6 in 3.3 in 1.6 in 13.4 oz 350 n May 2015 799i
 
Fujifilm X30 4.7 in 2.8 in 2.4 in 14.9 oz 470 n Aug 2014 599 i
 
Fujifilm X100T 5.0 in 2.9 in 2.0 in 15.5 oz 330 n Sep 2014 1,299i
 
Fujifilm X-T1 5.1 in 3.5 in 1.9 in 15.5 oz 350 Y Jan 2014 1,299i
 
Fujifilm XQ1 3.9 in 2.3 in 1.3 in 7.3 oz 240 n Oct 2013 499i
 
Fujifilm X-Pro1 5.5 in 3.2 in 1.7 in 15.9 oz 300 n Jan 2012 1,699i
 
Fujifilm X10 4.6 in 2.8 in 2.2 in 12.3 oz 270 n Sep 2011 599i
 
Fujifilm X100 5.0 in 3.0 in 2.1 in 15.7 oz 300 n Sep 2010 1,199i
 
Leica X Typ 113 5.2 in 2.9 in 3.1 in 17.1 oz 350 n Sep 2014 2,295i
 
Nikon Coolpix A 4.4 in 2.5 in 1.6 in 10.5 oz 230 n Mar 2013 1,099i
 
Panasonic LX7 4.4 in 2.7 in 1.8 in 10.5 oz 330 n Jul 2012 499i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 X20 was launched at a markedly lower price (by 54 percent) than the X100S, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be 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 Fujifilm X20 a 2/3 sensor. The sensor area in the X20 is 84 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 3.9. The sensor in the X100S has a native 3:2 aspect ratio, while the one in the X20 offers a 4:3 aspect.

Fujifilm X100S and Fujifilm X20 sensor measures

With 16MP, the X100S offers a higher resolution than the X20 (12MP), but the X100S nevertheless has larger individual pixels (pixel pitch of 4.80μm versus 2.20μm for the X20) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. 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 Fujifilm X100S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X100S for good quality output (200 dots per inch) amounts to 24.5 x 16.3 inches or 62.2 x 41.5 cm, for very good quality (250 dpi) 19.6 x 13.1 inches or 49.7 x 33.2 cm, and for excellent quality (300 dpi) 16.3 x 10.9 inches or 41.5 x 27.6 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 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 Fujifilm X20 are ISO 100 to ISO 12800 (no boost).

X100S versus X20 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Fujifilm X100S APS-C 16.0 4896 32641080/60p........
 
Fujifilm X20 2/3 12.0 4000 30001080/60p........
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........
 
Fujifilm X-T10 APS-C 16.0 4896 32641080/60p........
 
Fujifilm X30 2/3 12.0 4000 30001080/60p........
 
Fujifilm X100T APS-C 16.0 4896 32641080/60p........
 
Fujifilm X-T1 APS-C 16.0 4896 32641080/60p........
 
Fujifilm XQ1 2/3 12.0 4000 30001080/60p........
 
Fujifilm X-Pro1 APS-C 16.0 4896 32641080/24p........
 
Fujifilm X10 2/3 12.0 4000 30001080/30p20.511.324550
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
 
Leica X Typ 113 APS-C 16.1 4928 32641080/30p........
 
Nikon Coolpix A APS-C 16.1 4928 32641080/30p23.413.8116480
 
Panasonic LX7 1/1.7 10.0 3648 27361080/60p20.711.714750

Many modern cameras cannot only take still pictures, but also record videos. 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 (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the X100S has an electronic viewfinder (2360k 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 following table reports on some other key feature differences and similarities of the Fujifilm X100S, the Fujifilm X20, and comparable cameras.

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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
 
Fujifilm X100S2360 n 2.8 460 fixed n 1/4000s 6.0 Y n
 
Fujifilm X20optical n 2.8 460 fixed n 1/4000s 12.0 Y Y
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y
 
Canon G1 Xoptical n 3.0 922 Swivel n 1/4000s 1.9 Y Y
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n
 
Fujifilm X-T102360 n 3.0 920 tilting n 1/4000s 8.0 Y n
 
Fujifilm X302360 n 3.0 920 tilting n 1/4000s 12.0 Y Y
 
Fujifilm X100T2360 n 3.0 1040 fixed n 1/4000s 6.0 Y n
 
Fujifilm X-T12360 n 3.0 1040 tilting n 1/4000s 8.0 n n
 
Fujifilm XQ1none n 3.0 920 fixed n 1/4000s 12.0 Y Y
 
Fujifilm X-Pro11440 n 3.0 1230 fixed n 1/4000s 6.0 n n
 
Fujifilm X10optical n 2.8 460 fixed n 1/4000s 10.0 Y Y
 
Fujifilm X1001440 n 2.8 460 fixed n 1/4000s 5.0 Y n
 
Leica X Typ 113optional n 3.0 920 fixed n 1/2000s 5.0 Y n
 
Nikon Coolpix Aoptional n 3.0 921 fixed n 1/2000s 4.0 Y n
 
Panasonic LX7optional n 3.0 920 fixed n 1/4000s 11.0 Y Y

The X20 is equipped with a zoom lens, while the X100S comes with a built-in prime. The X20 has a 28-112mm f/2.0-2.8 optic and the X100S offers a 35mm f/2.0 (focal lengths in full frame equivalent terms). Hence, the X20 provides a wider angle of view at the short end, as well as more tele-photo reach at the long end than the X100S. Both cameras offer the same maximum aperture.

Concerning the storage of imaging data, both the X100S and the X20 write their files to SDXC cards. The X100S 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.

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 Fujifilm X20 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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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
 
Fujifilm X100SYstereomono--micro2.0---
 
Fujifilm X20Ystereomono--micro2.0---
 
Canon G16Ystereomono--mini2.0Y--
 
Canon G1 XYstereomono--mini2.0---
 
Fujifilm X100FYstereomonoY-micro2.0Y--
 
Fujifilm X-T10YstereomonoY-micro2.0Y--
 
Fujifilm X30Ystereomono--micro2.0Y--
 
Fujifilm X100TYstereomonoY-micro2.0Y--
 
Fujifilm X-T1YstereomonoY-mini2.0Y--
 
Fujifilm XQ1-stereomono--micro2.0Y--
 
Fujifilm X-Pro1Ystereomono--mini2.0---
 
Fujifilm X10Ystereomono--mini2.0---
 
Fujifilm X100Ystereo---mini2.0---
 
Leica X Typ 113Ystereomono--mini2.0---
 
Nikon Coolpix AYstereomono---2.0---
 
Panasonic LX7Ystereomono--mini2.0---

Both the X100S and the X20 have been discontinued, but can regularly be found used on eBay. The X100S was replaced by the Fujifilm X100T, while the X20 was followed by the Fujifilm X30. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm website.

Review summary

So how do things add up? Which of the two cameras – the Fujifilm X100S or the Fujifilm X20 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.


Reasons to prefer the Fujifilm X100S:

  • More detail: Offers more megapixels (16 vs 12MP) with a 18% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Longer lasting: Can take more shots (330 versus 270) on a single battery charge.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.


Arguments in favor of the Fujifilm X20:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster burst: Shoots at higher frequency (12 vs 6 flaps/sec) to capture the decisive moment.
  • Wider view: Has a wider-angle lens that facilitates landscape or interior shots.
  • More compact: Is smaller (117x70mm vs 127x74mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 92g or 21 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More affordable: Was introduced into a lower priced category (54 percent cheaper at launch).

If the number of relative strengths (bullet points above) is taken as a guide, the X100S comes out slightly ahead of the X20 (8 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional 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 08:07 X20

How about other alternatives? Do the specifications of the Fujifilm X100S and the Fujifilm X20 place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the X100S or the X20 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Fujifilm X100S+ +81/1004.5/54/55/5 Jan 2013 1,299i
 
Fujifilm X20+ +77/1004.5/5..5/5 Jan 2013 599i
 
Canon G16+..4.5/54.5/54.5/5 Aug 2013 549 i
 
Canon G1 X+76/1004/54/54.5/5 Jan 2012 799i
 
Fujifilm X100F+83/1004.5/5..4.5/5 Jan 2017 1,299i
 
Fujifilm X-T10+ +80/1005/54/55/5 May 2015 799i
 
Fujifilm X30..76/1004.5/54/54.5/5 Aug 2014 599 i
 
Fujifilm X100T+81/1004.5/54.5/55/5 Sep 2014 1,299i
 
Fujifilm X-T1+ +84/1005/54/55/5 Jan 2014 1,299i
 
Fujifilm XQ1....4.5/5..4.5/5 Oct 2013 499i
 
Fujifilm X-Pro1+ +79/1004.5/54/54.5/5 Jan 2012 1,699i
 
Fujifilm X10..76/1004/53.5/54.5/5 Sep 2011 599i
 
Fujifilm X100..75/1004/54/55/5 Sep 2010 1,199i
 
Leica X Typ 113....3.5/5..4/5 Sep 2014 2,295i
 
Nikon Coolpix A+75/1004/54.5/54/5 Mar 2013 1,099i
 
Panasonic LX7+ +75/1004/55/54.5/5 Jul 2012 499i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Fujifilm X100S:
Check Ebay offers
Fujifilm X20:
Check Ebay offers

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. 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 X100S vs Fujifilm X20

    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 Fujifilm X20
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 35mm f/2.0 28-112mm f/2.0-2.8
    Launch Date January 2013 January 2013
    Launch Price USD 1,299 USD 599
    Sensor Specs Fujifilm X100S Fujifilm X20
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Two Thirds Sensor
    Sensor Size 23.6 x 15.6 mm 8.8 x 6.6 mm
    Sensor Area 368.16 mm2 58.08 mm2
    Sensor Diagonal 28.3 mm 11 mm
    Crop Factor 1.5x 3.9x
    Sensor Resolution 16 Megapixels 12 Megapixels
    Image Resolution 4896 x 3264 pixels 4000 x 3000 pixels
    Pixel Pitch 4.80 μm 2.20 μm
    Pixel Density 4.34 MP/cm2 20.66 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 200 - 6,400 ISO 100 - 12,800 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor EXR Processor II EXR Processor II
    Screen Specs Fujifilm X100S Fujifilm X20
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 85%
    Viewfinder Magnification 0.43x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 2.8inch 2.8inch
    LCD Resolution 460k dots 460k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Fujifilm X100S Fujifilm X20
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 6 shutter flaps/s 12 shutter flaps/s
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Fujifilm X100S Fujifilm X20
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Fujifilm X100S Fujifilm X20
    Battery Type NP-95 NP-50
    Battery Life (CIPA)330 shots per charge270 shots per charge
    Body Dimensions 127 x 74 x 54 mm
    (5.0 x 2.9 x 2.1 in)
    117 x 70 x 57 mm
    (4.6 x 2.8 x 2.2 in)
    Camera Weight 445 g (15.7 oz) 353 g (12.5 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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