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Fujifilm X20 vs Panasonic S1

The Fujifilm X20 and the Panasonic Lumix DC-S1 are two digital cameras that were announced, respectively, in January 2013 and February 2019. The X20 is a fixed lens compact, while the S1 is a mirrorless interchangeable lens camera. The cameras are based on a 2/3 (X20) and a full frame (S1) sensor. The Fujifilm has a resolution of 12 megapixels, whereas the Panasonic provides 24 MP.

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

Headline Specifications
Fujifilm X20   Panasonic S1
Fujifilm X20 Panasonic S1
Fixed lens compact camera Mirrorless system camera
28-112mm f/2.0-2.8 Leica L mount lenses
12 MP, Two Thirds Sensor 24 MP, Full Frame Sensor
1080/60p Video 4K/60p Video
ISO 100-12800 ISO 100-51200 (50-204800)
Optical viewfinder Electronic viewfinder (5760k dots)
2.8" LCD, 460k dots 3.2" LCD, 2100k dots
Fixed screen (not touch-sensitive) Fully flexible touchscreen
12 shutter flaps per second 9 shutter flaps per second
Lens-based stabilizationIn-body stabilization
Not weather sealedWeathersealed body
270 shots per battery charge400 shots per battery charge
117 x 70 x 57 mm, 353 g 149 x 110 x 97 mm, 1017 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X20 and the Panasonic Lumix DC-S1? 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 X20 and the Panasonic S1. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The X20 can be obtained in two different colors (black, silver), while the S1 is only available in black.

Size Fujifilm X20 vs Panasonic S1
Compare X20 versus S1 top
Comparison X20 or S1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1 is considerably larger (100 percent) than the Fujifilm X20. It is noteworthy in this context that the S1 is splash and dust-proof, while the X20 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X20 has a lens built in, whereas the S1 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the X20 gets 270 shots out of its NP-50 battery, while the S1 can take 400 images on a single charge of its DMW-BLJ31 power pack. The power pack in the S1 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras 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)
Used
Price
(USD)
Camera
Model
 
Fujifilm X20» 4.6 in 2.8 in 2.2 in 12.5 oz 270 n Jan 2013 599- i Fujifilm X20
 
Panasonic S1« 5.9 in 4.3 in 3.8 in 35.9 oz 400 Y Feb 2019 2,499 i i Panasonic S1
 
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 G16« » 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i i Canon G16
 
Canon G15« » 4.2 in 3.0 in 1.6 in 12.4 oz 350 n Sep 2012 499- i Canon G15
 
Fujifilm X30« » 4.7 in 2.8 in 2.4 in 14.9 oz 470 n Aug 2014 599 i i Fujifilm X30
 
Fujifilm X-M1« » 4.6 in 2.6 in 1.5 in 11.6 oz 350 n Jun 2013 699- i Fujifilm X-M1
 
Fujifilm XQ1« » 3.9 in 2.3 in 1.3 in 7.3 oz 240 n Oct 2013 499- i Fujifilm XQ1
 
Fujifilm X10« » 4.6 in 2.8 in 2.2 in 12.3 oz 270 n Sep 2011 599- i Fujifilm X10
 
Leica SL« » 5.8 in 4.1 in 1.5 in 29.9 oz 400 Y Oct 2015 7,450 i i Leica SL
 
Leica D-LUX 6« » 4.4 in 2.7 in 1.8 in 10.5 oz 330 n Sep 2012 699- i Leica D-LUX 6
 
Nikon P7800« » 4.7 in 3.1 in 2.0 in 14.1 oz 350 n Sep 2013 549- i Nikon P7800
 
Panasonic S1R« » 5.9 in 4.3 in 3.8 in 35.8 oz 380 Y Feb 2019 3,699 i i Panasonic S1R
 
Panasonic S1H« » 5.9 in 4.5 in 4.3 in 37.1 oz 400 Y May 2019 3,999 i i Panasonic S1H
 
Panasonic LX7« » 4.4 in 2.7 in 1.8 in 10.5 oz 330 n Jul 2012 499- i Panasonic LX7
 
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
 
Sony A900« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Sep 2008 2,999- i Sony A900
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 lower price than the S1, 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 size of the imaging sensor is a crucial determinant 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. 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 X20 features a 2/3 sensor and the Panasonic S1 a full frame sensor. The sensor area in the S1 is 1360 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 3.9 and 1.0. The sensor in the X20 has a native 4:3 aspect ratio, while the one in the S1 offers a 3:2 aspect.

Fujifilm X20 and Panasonic S1 sensor measures

With 24MP, the S1 offers a higher resolution than the X20 (12MP), but the S1 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 2.20μm for the X20) due to its larger sensor. Moreover, the S1 is a much more recent model (by 6 years) 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 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 Panasonic S1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Fujifilm X20 are 20 x 15 inch or 50.8 x 38.1 cm for good quality, 16 x 12 inch or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inch 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.

Unlike the X20, the S1 has the capacity to capture high quality composite images (96MP) 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 X20 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Panasonic Lumix DC-S1 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

X20 versus S1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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 X20» 2/3 12.0 4000 30001080/60p----Fujifilm X20
 
Panasonic S1« Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
 
Canon G16« » 1/1.7 12.0 4000 30001080/60p21.011.723054Canon G16
 
Canon G15« » 1/1.7 12.0 4000 30001080/24p19.911.516546Canon G15
 
Fujifilm X30« » 2/3 12.0 4000 30001080/60p----Fujifilm X30
 
Fujifilm X-M1« » APS-C 16.0 4896 32641080/30p----Fujifilm X-M1
 
Fujifilm XQ1« » 2/3 12.0 4000 30001080/60p----Fujifilm XQ1
 
Fujifilm X10« » 2/3 12.0 4000 30001080/30p20.511.324550Fujifilm X10
 
Leica SL« » Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
 
Leica D-LUX 6« » 1/1.7 10.0 3648 27361080/60p----Leica D-LUX 6
 
Nikon P7800« » 1/1.7 12.0 4000 30001080/30p21.211.720054Nikon P7800
 
Panasonic S1R« » Full Frame 46.7 8368 55844K/60p26.414.13525100Panasonic S1R
 
Panasonic S1H« » Full Frame 24.0 6000 40006K/30p----Panasonic S1H
 
Panasonic LX7« » 1/1.7 10.0 3648 27361080/60p20.711.714750Panasonic LX7
 
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A900« » Full Frame 24.4 6048 4032-23.712.3143179Sony A900

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the S1 provides a better video resolution than the X20. It can shoot movie footage at 4K/60p, while the Fujifilm is limited to 1080/60p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the S1 has an electronic viewfinder (5760k 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 X20, the Panasonic S1, and comparable 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 X20»optical n 2.8 460 fixed n 1/4000s 12.0 Y Y Fujifilm X20
 
Panasonic S1«5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Canon G7 X« »- n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Canon G16« »optical n 3.0 922 fixed n 1/4000s 2.2 Y Y Canon G16
 
Canon G15« »optical n 3.0 922 fixed n 1/4000s 2.1 Y Y Canon G15
 
Fujifilm X30« »2360 n 3.0 920 tilting n 1/4000s 12.0 Y Y Fujifilm X30
 
Fujifilm X-M1« »- n 3.0 920 tilting n 1/4000s 5.6 Y n Fujifilm X-M1
 
Fujifilm XQ1« »- n 3.0 920 fixed n 1/4000s 12.0 Y Y Fujifilm XQ1
 
Fujifilm X10« »optical n 2.8 460 fixed n 1/4000s 10.0 Y Y Fujifilm X10
 
Leica SL« »4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n Leica SL
 
Leica D-LUX 6« »- n 3.0 920 fixed n 1/4000s 11.0 Y Y Leica D-LUX 6
 
Nikon P7800« »921 n 3.0 921 swivel n 1/4000s 8.0 Y Y Nikon P7800
 
Panasonic S1R« »5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1R
 
Panasonic S1H« »5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y Panasonic S1H
 
Panasonic LX7« »- n 3.0 920 fixed n 1/4000s 11.0 Y Y Panasonic LX7
 
Sony A99 II« »2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A900« »optical Y 3.0 922 fixed n 1/8000s 5.0 n Y Sony A900

One difference between the cameras concerns the presence of an on-board flash. The X20 has one, while the S1 does not. While the built-in flash of the X20 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 S1 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 X20 writes its imaging data to SDXC cards, while the S1 uses SDHC or XQD cards. The S1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the X20 only has one slot. The S1 supports UHS-II cards (on both slots), 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 X20 and Panasonic Lumix DC-S1 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Fujifilm X20»Ystereomono--micro2.0---Fujifilm X20
 
Panasonic S1«YstereomonoYYfull3.1Y-YPanasonic S1
 
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
 
Canon G16« »Ystereomono--mini2.0Y--Canon G16
 
Canon G15« »Ystereomono--mini2.0---Canon G15
 
Fujifilm X30« »Ystereomono--micro2.0Y--Fujifilm X30
 
Fujifilm X-M1« »Ystereomono--mini2.0Y--Fujifilm X-M1
 
Fujifilm XQ1« »-stereomono--micro2.0Y--Fujifilm XQ1
 
Fujifilm X10« »Ystereomono--mini2.0---Fujifilm X10
 
Leica SL« »YstereomonoYYfull3.0Y--Leica SL
 
Leica D-LUX 6« »Ystereomono--mini2.0---Leica D-LUX 6
 
Nikon P7800« »YstereomonoY-mini2.0---Nikon P7800
 
Panasonic S1R« »YstereomonoYYfull3.1Y-YPanasonic S1R
 
Panasonic S1H« »YstereomonoYYfull3.1Y-YPanasonic S1H
 
Panasonic LX7« »Ystereomono--mini2.0---Panasonic LX7
 
Sony A99 II« »YstereomonoYYmicro2.0YYYSony A99 II
 
Sony A900« »Y----mini2.0---Sony A900

It is notable that the S1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the X20 does not offer wifi capability.

Studio photographers will appreciate that the Panasonic S1 (unlike the X20) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The S1 is a recent model that features in the current product line-up of Panasonic. In contrast, the X20 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the X20 was succeeded 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 and Panasonic websites.


Review summary

So what is the bottom line? Is the Fujifilm X20 better than the Panasonic S1 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Fujifilm X20:

  • 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 burst: Shoots at higher frequency (12 vs 9 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens built-in, whereas the S1 requires a separate lens.
  • More compact: Is smaller (117x70mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the S1).
  • 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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Reasons to prefer the Panasonic Lumix DC-S1:

  • More detail: Has more megapixels (24 vs 12MP), which boosts linear resolution by 44%.
  • 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/60p 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 framing info: Has an electronic viewfinder that displays shooting data.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 460k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or 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.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (400 versus 270) 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.
  • 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 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 Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 6 years of technical progress since the X20 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the S1 is the clear winner of the contest (28 : 9 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X20 09:28 S1

How about other alternatives? Do the specifications of the Fujifilm X20 and the Panasonic S1 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the X20 or the S1 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. 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.

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 X20»+ +77/1004.5/5-5/5 Jan 2013 599- i Fujifilm X20
 
Panasonic S1«+ +88/1004.5/5-4/5 Feb 2019 2,499 i i Panasonic S1
 
Canon G7 X« »+ +77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
 
Canon G16« »+-4.5/54.5/54.5/5 Aug 2013 549 i i Canon G16
 
Canon G15« »+76/1004.5/54.5/54.5/5 Sep 2012 499- i Canon G15
 
Fujifilm X30« »-76/1004.5/54/54.5/5 Aug 2014 599 i i Fujifilm X30
 
Fujifilm X-M1« »+77/1004.5/5-4.5/5 Jun 2013 699- i Fujifilm X-M1
 
Fujifilm XQ1« »--4.5/5-4.5/5 Oct 2013 499- i Fujifilm XQ1
 
Fujifilm X10« »-76/1004/53.5/54.5/5 Sep 2011 599- i Fujifilm X10
 
Leica SL« »-84/1004.5/54/54/5 Oct 2015 7,450 i i Leica SL
 
Leica D-LUX 6« »--4/5-4/5 Sep 2012 699- i Leica D-LUX 6
 
Nikon P7800« »--4/53.5/54.5/5 Sep 2013 549- i Nikon P7800
 
Panasonic S1R« »-89/1004.5/5-4.5/5 Feb 2019 3,699 i i Panasonic S1R
 
Panasonic S1H« »----- May 2019 3,999 i i Panasonic S1H
 
Panasonic LX7« »+ +75/1004/55/54.5/5 Jul 2012 499- i Panasonic LX7
 
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
 
Sony A900« »+ ++ +4.5/54/55/5 Sep 2008 2,999- i Sony A900
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Fujifilm X20:
Check Ebay offers
Panasonic S1:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Fujifilm X20 vs Panasonic S1

    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 Panasonic S1
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-112mm f/2.0-2.8 Leica L mount lenses
    Launch Date January 2013 February 2019
    Launch Price USD 599 USD 2499
    Sensor Specs Fujifilm X20 Panasonic S1
    Sensor Technology CMOS CMOS
    Sensor Format Two Thirds Sensor Full Frame Sensor
    Sensor Size 8.8 x 6.6 mm 35.6 x 23.8 mm
    Sensor Area 58.08 mm2 847.28 mm2
    Sensor Diagonal 11 mm 42.8 mm
    Crop Factor 3.9x 1.0x
    Sensor Resolution 12 Megapixels 24 Megapixels
    Image Resolution 4000 x 3000 pixels 6000 x 4000 pixels
    Pixel Pitch 2.20 μm 5.94 μm
    Pixel Density 20.66 MP/cm2 2.83 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/60p Video
    ISO Setting 100-12800 ISO 100-51200 ISO
    ISO Boost no Enhancement 50-204800 ISO
    Image Processor EXR Processor II Venus
    DXO Sensor Quality (score) .. 95
    DXO Color Depth (bits) .. 25.2
    DXO Dynamic Range (EV) .. 14.5
    DXO Low Light (ISO) .. 3333
    Screen Specs Fujifilm X20 Panasonic S1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 85% 100%
    Viewfinder Magnification ..x 0.78x
    Viewfinder Resolution 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 2.8 inch 3.2 inch
    LCD Resolution 460k dots 2100k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Fujifilm X20 Panasonic S1
    Autofocus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 12 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC or XQD cards
    Second Storage Option Single card slot Dual card slots
    UHS card support no Dual UHS-II
    Connectivity Specs Fujifilm X20 Panasonic S1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Fujifilm X20 Panasonic S1
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type NP-50 DMW-BLJ31
    Battery Life (CIPA)270 shots per charge400 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)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 353 g (12.5 oz) 1017 g (35.9 oz)

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