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Fujifilm X-A3 vs X20

The Fujifilm X-A3 and the Fujifilm X20 are two digital cameras that were officially introduced, respectively, in August 2016 and January 2013. The X-A3 is a mirrorless interchangeable lens camera, while the X20 is a fixed lens compact. The cameras are based on an APS-C (X-A3) and a 2/3 (X20) sensor. The X-A3 has a resolution of 24 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 X-A3   Fujifilm X20
Fujifilm X-A3 Fujifilm X20
Mirrorless system camera Fixed lens compact camera
Fujifilm X mount lenses 28-112mm f/2.0-2.8
24 MP, APS-C Sensor 12 MP, Two Thirds Sensor
1080/60p Video 1080/60p Video
ISO 200-6400 (100-25600) ISO 100-12800
No viewfinder, LCD framing Optical viewfinder
3.0" LCD, 1040k dots 2.8" LCD, 460k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
6 shutter flaps per second 12 shutter flaps per second
410 shots per battery charge270 shots per battery charge
117 x 67 x 40 mm, 339 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 X-A3 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

An illustration of the physical size and weight of the Fujifilm X-A3 and the Fujifilm X20 is provided in the side-by-side display below. 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 X-A3 can be obtained in three different colors (silver, brown, pink), while the X20 is available in two color-versions (black, silver).

Size Fujifilm X-A3 vs Fujifilm X20
Compare X-A3 versus X20 top
Comparison X-A3 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 somewhat larger (4 percent) than the Fujifilm X-A3. In this context, it is worth noting that neither the X-A3 nor the X20 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X20 has a lens built in, whereas the X-A3 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the X-A3 and their specifications in the Fujinon X Lens Catalog.

Concerning battery life, the X-A3 gets 410 shots out of its NP-W126S battery, while the X20 can take 270 images on a single charge of its NP-50 power pack. The power pack in the X-A3 can be charged via the USB port, so that it is not always necessary to take the battery charger along 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 X-A3» 117 mm 67 mm 40 mm 339 g 410 n Aug 2016 399- i Fujifilm X-A3
 
Fujifilm X20« 117 mm 70 mm 57 mm 353 g 270 n Jan 2013 599- i Fujifilm X20
 
Canon SX730« » 110 mm 64 mm 40 mm 300 g 250 n Apr 2017 399- i Canon SX730
 
Canon G16« » 109 mm 76 mm 40 mm 356 g 360 n Aug 2013 549 i i Canon G16
 
Fujifilm X-A5« » 117 mm 68 mm 40 mm 361 g 450 n Jan 2018 399- i Fujifilm X-A5
 
Fujifilm X-E3« » 121 mm 74 mm 43 mm 337 g 350 n Sep 2017 899 i i Fujifilm X-E3
 
Fujifilm X-T20« » 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 899 i i Fujifilm X-T20
 
Fujifilm X-A10« » 117 mm 67 mm 40 mm 331 g 410 n Dec 2016 399- i Fujifilm X-A10
 
Fujifilm X-E2S« » 129 mm 75 mm 37 mm 350 g 350 n Jan 2016 699- i Fujifilm X-E2S
 
Fujifilm X-A2« » 117 mm 67 mm 40 mm 350 g 410 n Jan 2015 399- i Fujifilm X-A2
 
Fujifilm X-T10« » 118 mm 83 mm 41 mm 381 g 350 n May 2015 799- i Fujifilm X-T10
 
Fujifilm X30« » 119 mm 72 mm 60 mm 423 g 470 n Aug 2014 599 i i Fujifilm X30
 
Fujifilm X10« » 117 mm 70 mm 57 mm 350 g 270 n Sep 2011 599- i Fujifilm X10
 
Leica D-LUX 6« » 111 mm 68 mm 46 mm 298 g 330 n Sep 2012 699- i Leica D-LUX 6
 
Panasonic TZ90« » 112 mm 67 mm 41 mm 322 g 380 n Apr 2017 449- i Panasonic TZ90
 
Panasonic LX7« » 111 mm 68 mm 46 mm 298 g 330 n Jul 2012 499- i Panasonic LX7
 
YI M1« » 114 mm 64 mm 34 mm 281 g 450 n Sep 2016 349 i i YI M1
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-A3 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 X-A3 has a native 3:2 aspect ratio, while the one in the X20 offers a 4:3 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Fujifilm X-A3 and Fujifilm X20 sensor measures

With 24MP, the X-A3 offers a higher resolution than the X20 (12MP), but the X-A3 nevertheless has larger individual pixels (pixel pitch of 3.92μm versus 2.20μm for the X20) due to its larger sensor. Moreover, the X-A3 is a much more recent model (by 3 years and 7 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 pixels. 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 Fujifilm X-A3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-A3 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.

The Fujifilm X-A3 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).

X-A3 versus X20 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 X-A3» APS-C 24.0 6000 40001080/60p----Fujifilm X-A3
 
Fujifilm X20« 2/3 12.0 4000 30001080/60p----Fujifilm X20
 
Canon SX730« » 1/2.3 20.2 5184 38881080/60p----Canon SX730
 
Canon G16« » 1/1.7 12.0 4000 30001080/60p21.011.723054Canon G16
 
Fujifilm X-A5« » APS-C 24.0 6000 40004K/15p----Fujifilm X-A5
 
Fujifilm X-E3« » APS-C 24.0 6000 40004K/30p----Fujifilm X-E3
 
Fujifilm X-T20« » APS-C 24.0 6000 40004K/30p----Fujifilm X-T20
 
Fujifilm X-A10« » APS-C 16.0 4896 32641080/30p----Fujifilm X-A10
 
Fujifilm X-E2S« » APS-C 16.0 4896 32641080/60p----Fujifilm X-E2S
 
Fujifilm X-A2« » APS-C 16.0 4896 32641080/30p----Fujifilm X-A2
 
Fujifilm X-T10« » APS-C 16.0 4896 32641080/60p----Fujifilm X-T10
 
Fujifilm X30« » 2/3 12.0 4000 30001080/60p----Fujifilm X30
 
Fujifilm X10« » 2/3 12.0 4000 30001080/30p20.511.324550Fujifilm X10
 
Leica D-LUX 6« » 1/1.7 10.0 3648 27361080/60p----Leica D-LUX 6
 
Panasonic TZ90« » 1/2.3 20.2 5184 38884K/30p19.110.610636Panasonic TZ90
 
Panasonic LX7« » 1/1.7 10.0 3648 27361080/60p20.711.714750Panasonic LX7
 
YI M1« » Four Thirds 20.2 5184 38884K/30p----YI M1

Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 X20 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the X-A3 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Fujifilm X-A3 and Fujifilm X20 along with similar information for a selection of comparators.

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 X-A3»- n 3.0 1040 tilting Y 1/4000s 6.0 Y n Fujifilm X-A3
 
Fujifilm X20«optical n 2.8 460 fixed n 1/4000s 12.0 Y Y Fujifilm X20
 
Canon SX730« »- n 3.0 922 tilting n 1/3200s 5.9 Y Y Canon SX730
 
Canon G16« »optical n 3.0 922 fixed n 1/4000s 2.2 Y Y Canon G16
 
Fujifilm X-A5« »- n 3.0 1040 tilting Y 1/4000s 6.0 Y n Fujifilm X-A5
 
Fujifilm X-E3« »2360 n 3.0 1040 fixed Y 1/4000s 8.0 n n Fujifilm X-E3
 
Fujifilm X-T20« »2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T20
 
Fujifilm X-A10« »- n 3.0 1040 tilting n 1/4000s 6.0 Y n Fujifilm X-A10
 
Fujifilm X-E2S« »2360 n 3.0 1040 fixed n 1/4000s 7.0 Y n Fujifilm X-E2S
 
Fujifilm X-A2« »- n 3.0 920 tilting n 1/4000s 5.6 Y n Fujifilm X-A2
 
Fujifilm X-T10« »2360 n 3.0 920 tilting n 1/4000s 8.0 Y n Fujifilm X-T10
 
Fujifilm X30« »2360 n 3.0 920 tilting n 1/4000s 12.0 Y Y Fujifilm X30
 
Fujifilm X10« »optical n 2.8 460 fixed n 1/4000s 10.0 Y Y Fujifilm X10
 
Leica D-LUX 6« »- n 3.0 920 fixed n 1/4000s 11.0 Y Y Leica D-LUX 6
 
Panasonic TZ90« »1166 n 3.0 1040 tilting Y 1/2000s 10.0 Y Y Panasonic TZ90
 
Panasonic LX7« »- n 3.0 920 fixed n 1/4000s 11.0 Y Y Panasonic LX7
 
YI M1« »- n 3.0 1040 fixed Y 1/4000s 5.0 n n YI M1

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The X-A3 has a touchscreen, while the X20 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The X-A3 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping 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 X-A3 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 Fujifilm X-A3 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the X-A3 and the X20 write their files to SDXC cards. The X-A3 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 X-A3 and Fujifilm X20 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 X-A3»Ystereomono--micro2.0Y--Fujifilm X-A3
 
Fujifilm X20«Ystereomono--micro2.0---Fujifilm X20
 
Canon SX730« »-stereomono--micro2.0YYYCanon SX730
 
Canon G16« »Ystereomono--mini2.0Y--Canon G16
 
Fujifilm X-A5« »YstereomonoY-mini2.0Y-YFujifilm X-A5
 
Fujifilm X-E3« »YstereomonoY-micro2.0Y-YFujifilm X-E3
 
Fujifilm X-T20« »YstereomonoY-micro2.0Y--Fujifilm X-T20
 
Fujifilm X-A10« »-stereomono--mini2.0Y--Fujifilm X-A10
 
Fujifilm X-E2S« »YstereomonoY-micro2.0Y--Fujifilm X-E2S
 
Fujifilm X-A2« »Ystereomono--mini2.0Y--Fujifilm X-A2
 
Fujifilm X-T10« »YstereomonoY-micro2.0Y--Fujifilm X-T10
 
Fujifilm X30« »Ystereomono--micro2.0Y--Fujifilm X30
 
Fujifilm X10« »Ystereomono--mini2.0---Fujifilm X10
 
Leica D-LUX 6« »Ystereomono--mini2.0---Leica D-LUX 6
 
Panasonic TZ90« »-stereomono--micro2.0Y--Panasonic TZ90
 
Panasonic LX7« »Ystereomono--mini2.0---Panasonic LX7
 
YI M1« »Ystereomono--micro2.0Y-YYI M1

It is notable that the X-A3 offers wifi support, while the X20 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the X-A3 and the X20 have been discontinued, but can regularly be found used on eBay. The X20 was replaced by the Fujifilm X30, while the X-A3 was followed by the Fujifilm X-A5. 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 what conclusions can be drawn? Is the Fujifilm X-A3 better than the Fujifilm X20 or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Fujifilm X-A3:

  • More detail: Offers more megapixels (24 vs 12MP) with a 44% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features a larger and more technologically advanced imaging 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.
  • 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 (1040k vs 460k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (410 versus 270) on a single battery charge.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 3 years and 7 months of technical progress since the X20 launch.


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.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Faster burst: Shoots at higher frequency (12 vs 6 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the X-A3 necessitates an extra lens.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More heavily discounted: Has been around for much longer (launched in January 2013).

If the count of individual advantages (bullet points above) is taken as a guide, the X-A3 is the clear winner of the match-up (18 : 7 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 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.

X-A3 18:07 X20

How about other alternatives? Do the specifications of the Fujifilm X-A3 and the Fujifilm X20 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the X-A3 and the X20 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

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 X-A3»-74/1004.5/5-4/5 Aug 2016 399- i Fujifilm X-A3
 
Fujifilm X20«+ +77/1004.5/5-5/5 Jan 2013 599- i Fujifilm X20
 
Canon SX730« »+-4/5-4/5 Apr 2017 399- i Canon SX730
 
Canon G16« »+-4.5/54.5/54.5/5 Aug 2013 549 i i Canon G16
 
Fujifilm X-A5« »+-4/54/53.5/5 Jan 2018 399- i Fujifilm X-A5
 
Fujifilm X-E3« »+84/1004.5/54.5/54.5/5 Sep 2017 899 i i Fujifilm X-E3
 
Fujifilm X-T20« »+ +82/1005/5-4.5/5 Jan 2017 899 i i Fujifilm X-T20
 
Fujifilm X-A10« »--4/5-4/5 Dec 2016 399- i Fujifilm X-A10
 
Fujifilm X-E2S« »-77/1004.5/5-4.5/5 Jan 2016 699- i Fujifilm X-E2S
 
Fujifilm X-A2« »--4.5/54/54.5/5 Jan 2015 399- i Fujifilm X-A2
 
Fujifilm X-T10« »+ +80/1005/54/55/5 May 2015 799- i Fujifilm X-T10
 
Fujifilm X30« »-76/1004.5/54/54.5/5 Aug 2014 599 i i Fujifilm X30
 
Fujifilm X10« »-76/1004/53.5/54.5/5 Sep 2011 599- i Fujifilm X10
 
Leica D-LUX 6« »--4/5-4/5 Sep 2012 699- i Leica D-LUX 6
 
Panasonic TZ90« »+ +-4/5-4/5 Apr 2017 449- i Panasonic TZ90
 
Panasonic LX7« »+ +75/1004/55/54.5/5 Jul 2012 499- i Panasonic LX7
 
YI M1« »-69/100-2.5/5- Sep 2016 349 i i YI M1
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated 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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Fujifilm X-A3:
Check Ebay offers
Fujifilm X20:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X-A3 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 X-A3 Fujifilm X20
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Fujifilm X mount lenses 28-112mm f/2.0-2.8
    Launch Date August 2016 January 2013
    Launch Price USD 399 USD 599
    Sensor Specs Fujifilm X-A3 Fujifilm X20
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Two Thirds Sensor
    Sensor Size 23.5 x 15.7 mm 8.8 x 6.6 mm
    Sensor Area 368.95 mm2 58.08 mm2
    Sensor Diagonal 28.3 mm 11 mm
    Crop Factor 1.5x 3.9x
    Sensor Resolution 24 Megapixels 12 Megapixels
    Image Resolution 6000 x 4000 pixels 4000 x 3000 pixels
    Pixel Pitch 3.92 μm 2.20 μm
    Pixel Density 6.50 MP/cm2 20.66 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 200-6400 ISO 100-12800 ISO
    ISO Boost 100-25600 ISO no Enhancement
    Screen Specs Fujifilm X-A3 Fujifilm X20
    Viewfinder Type No viewfinder Optical viewfinder
    Viewfinder Field of View 85%
    Viewfinder Magnification ..x
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 2.8 inch
    LCD Resolution 1040k dots 460k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm X-A3 Fujifilm X20
    Autofocus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/4000/s
    Continuous Shooting 6 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    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 X-A3 Fujifilm X20
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support Wifi built-in no Wifi
    Body Specs Fujifilm X-A3 Fujifilm X20
    Battery Type NP-W126S NP-50
    Battery Life (CIPA)410 shots per charge270 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 117 x 67 x 40 mm
    (4.6 x 2.6 x 1.6 in)
    117 x 70 x 57 mm
    (4.6 x 2.8 x 2.2 in)
    Camera Weight 339 g (12.0 oz) 353 g (12.5 oz)

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