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Fujifilm X-A5 vs Sony RX100 IV

The Fujifilm X-A5 and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were announced, respectively, in January 2018 and June 2015. The X-A5 is a mirrorless interchangeable lens camera, while the RX100 IV is a fixed lens compact. The cameras are based on an APS-C (X-A5) and an one-inch (RX100 IV) sensor. The Fujifilm has a resolution of 24 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 X-A5 VS Sony RX100 IV
Fujifilm X-A5 Sony RX100 IV
Mirrorless system camera Fixed lens compact camera
Fujifilm X mount lenses 24-70mm f/1.8-2.8
24 MP, APS-C Sensor 20 MP, 1" Sensor
4K/15p Video 4K/30p Video
ISO 200-12800 (200-51200) ISO 125-12800 (80-25600)
No viewfinder, LCD framing Electronic viewfinder (2359k dots)
3.0" LCD, 1040k dots 3.0" LCD, 1228k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
6 shutter flaps per second 16 shutter flaps per second
450 shots per battery charge280 shots per battery charge
117 x 68 x 40 mm, 361 g 102 x 58 x 41 mm, 298 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-A5 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.

Body comparison

The physical size and weight of the Fujifilm X-A5 and the Sony RX100 IV are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The X-A5 can be obtained in three different colors (silver, brown, pink), while the RX100 IV is only available in black.

Size Fujifilm X-A5 vs Sony RX100 IV
Compare X-A5 versus RX100 IV top
Comparison X-A5 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 (26 percent) than the Fujifilm X-A5. In this context, it is worth noting that neither the X-A5 nor the RX100 IV are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 IV has a lens built in, whereas the X-A5 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-A5 and their specifications in the Fujinon X Lens Catalog.

Concerning battery life, the X-A5 gets 450 shots out of its NP-W126S battery, while the RX100 IV can take 280 images on a single charge of its NP-BX1 power pack. The battery packs of both cameras can be charged via USB, 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)
Camera
Model
 
Fujifilm X-A5» 4.6 in 2.7 in 1.6 in 12.7 oz 450 n Jan 2018 399iFujifilm X-A5
 
Sony RX100 IV« 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999iSony RX100 IV
 
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699iCanon G7 X
 
Fujifilm X-T200« » 4.8 in 3.3 in 2.2 in 13.1 oz 270 n Jan 2020 699 iFujifilm X-T200
 
Fujifilm X-T30« » 4.6 in 3.3 in 1.9 in 13.5 oz 380 n Feb 2019 899 iFujifilm X-T30
 
Fujifilm X-A7« » 4.7 in 2.7 in 1.6 in 11.3 oz 440 n Sep 2019 499 iFujifilm X-A7
 
Fujifilm X-T100« » 4.8 in 3.3 in 1.9 in 15.8 oz 430 n May 2018 599iFujifilm X-T100
 
Fujifilm X-E3« » 4.8 in 2.9 in 1.7 in 11.9 oz 350 n Sep 2017 899 iFujifilm X-E3
 
Fujifilm X-T20« » 4.6 in 3.3 in 1.6 in 13.5 oz 350 n Jan 2017 899 iFujifilm X-T20
 
Fujifilm X-A3« » 4.6 in 2.6 in 1.6 in 12.0 oz 410 n Aug 2016 399iFujifilm X-A3
 
Fujifilm X-A10« » 4.6 in 2.6 in 1.6 in 11.7 oz 410 n Dec 2016 399iFujifilm X-A10
 
Fujifilm X-A2« » 4.6 in 2.6 in 1.6 in 12.3 oz 410 n Jan 2015 399iFujifilm X-A2
 
Nikon D3500« » 4.9 in 3.8 in 2.8 in 12.9 oz 1550 n Aug 2018 429 iNikon D3500
 
Panasonic FZ1000« » 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899iPanasonic FZ1000
 
Sony RX100 VII« » 4.0 in 2.3 in 1.7 in 10.7 oz 260 n Jul 2019 1,199 iSony RX100 VII
 
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 iSony RX100 V
 
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799iSony RX100 III
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. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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-A5 features an APS-C sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 69 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X-A5 and Sony RX100 IV sensor measures

With 24MP, the X-A5 offers a higher resolution than the RX100 IV (20MP), but the X-A5 nevertheless has larger individual pixels (pixel pitch of 3.92μm versus 2.41μm for the RX100 IV) due to its larger sensor. Moreover, the X-A5 is a much more recent model (by 2 years and 7 months) than the RX100 IV, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Fujifilm X-A5 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-A5 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 Sony RX100 IV are 27.4 x 18.2 inch or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inch or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inch or 46.3 x 30.9 cm for excellent quality prints.

The Fujifilm X-A5 has a native sensitivity range from ISO 200 to ISO 12800, which can be extended to ISO 200-51200. 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.

X-A5 versus RX100 IV 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 X-A5 APS-C 24.0 6000 40004K/15p........Fujifilm X-A5
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
 
Fujifilm X-T200 APS-C 24.0 6000 40004K/30p........Fujifilm X-T200
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p........Fujifilm X-T30
 
Fujifilm X-A7 APS-C 24.0 6000 40004K/30p........Fujifilm X-A7
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p........Fujifilm X-T100
 
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-A3 APS-C 24.0 6000 40001080/60p........Fujifilm X-A3
 
Fujifilm X-A10 APS-C 16.0 4896 32641080/30p........Fujifilm X-A10
 
Fujifilm X-A2 APS-C 16.0 4896 32641080/30p........Fujifilm X-A2
 
Nikon D3500 APS-C 24.0 6000 40001080/60p........Nikon D3500
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863Sony RX100 VII
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III

Many modern cameras are not only capable of taking still images, but also of capturing video footage. 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 faster frame rate than the X-A5. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 4K/15p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the RX100 IV has an electronic viewfinder (2359k dots), which can be very helpful when shooting in bright sunlight. In contrast, the X-A5 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Fujifilm X-A5, the Sony RX100 IV, 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 X-A5none n 3.0 1040 tilting Y 1/4000s 6.0 Y n Fujifilm X-A5
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y Sony RX100 IV
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Fujifilm X-T2002360 n 3.5 2780 swivel Y 1/4000s 8.0 Y n Fujifilm X-T200
 
Fujifilm X-T302360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T30
 
Fujifilm X-A7none n 3.5 2760 swivel Y 1/4000s 6.0 Y n Fujifilm X-A7
 
Fujifilm X-T1002360 n 3.0 1040 full-flex Y 1/4000s 6.0 Y n Fujifilm X-T100
 
Fujifilm X-E32360 n 3.0 1040 fixed Y 1/4000s 8.0 n n Fujifilm X-E3
 
Fujifilm X-T202360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T20
 
Fujifilm X-A3none n 3.0 1040 tilting Y 1/4000s 6.0 Y n Fujifilm X-A3
 
Fujifilm X-A10none n 3.0 1040 tilting n 1/4000s 6.0 Y n Fujifilm X-A10
 
Fujifilm X-A2none n 3.0 920 tilting n 1/4000s 5.6 Y n Fujifilm X-A2
 
Nikon D3500optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3500
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y Panasonic FZ1000
 
Sony RX100 VII2359 n 3.0 921 tilting Y 1/2000s 90.0 Y Y Sony RX100 VII
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y Sony RX100 V
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y Sony RX100 III

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The X-A5 has a touchscreen, while the RX100 IV has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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, both cameras under consideration feature an 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-A5 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.

The X-A5 writes its imaging data to SDXC cards, while the RX100 IV uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

 

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-A5 and Sony Cyber-shot DSC-RX100 IV 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Fujifilm X-A5YstereomonoY-mini2.0Y-YFujifilm X-A5
 
Sony RX100 IV-stereomono--micro2.0YY-Sony RX100 IV
 
Canon G7 X-stereomono--micro2.0YY-Canon G7 X
 
Fujifilm X-T200YstereomonoYYmicro3.1Y-YFujifilm X-T200
 
Fujifilm X-T30YstereomonoY-micro3.1Y-YFujifilm X-T30
 
Fujifilm X-A7YstereomonoY-mini2.0Y-YFujifilm X-A7
 
Fujifilm X-T100YstereomonoY-micro2.0Y-YFujifilm X-T100
 
Fujifilm X-E3YstereomonoY-micro2.0Y-YFujifilm X-E3
 
Fujifilm X-T20YstereomonoY-micro2.0Y--Fujifilm X-T20
 
Fujifilm X-A3Ystereomono--micro2.0Y--Fujifilm X-A3
 
Fujifilm X-A10-stereomono--mini2.0Y--Fujifilm X-A10
 
Fujifilm X-A2Ystereomono--mini2.0Y--Fujifilm X-A2
 
Nikon D3500Ymonomono--mini2.0--YNikon D3500
 
Panasonic FZ1000YstereomonoY-micro2.0YY-Panasonic FZ1000
 
Sony RX100 VII-stereomonoY-micro2.0YYYSony RX100 VII
 
Sony RX100 V-stereomono--micro2.0YY-Sony RX100 V
 
Sony RX100 III-stereomono--micro2.0YY-Sony RX100 III

It is notable that the X-A5 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 X-A5 and the RX100 IV have been discontinued, but can regularly be found used on eBay. The RX100 IV was replaced by the Sony RX100 IV, while the X-A5 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Sony websites.

Review summary

So what is the bottom line? Is the Fujifilm X-A5 better than the Sony RX100 IV 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 X-A5:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • 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.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • 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 (450 versus 280) on a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 2 years and 7 months of technical progress since the RX100 IV launch.

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

  • Better video: Provides higher movie framerates (4K/30p versus 4K/15p).
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1228k vs 1040k dots).
  • Faster burst: Shoots at higher frequency (16 vs 6 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the X-A5 necessitates an extra lens.
  • More compact: Is smaller (102x58mm vs 117x68mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the X-A5).
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been around for much longer (launched in June 2015).

If the number of relative strengths (bullet points above) is taken as a guide, the X-A5 is the clear winner of the match-up (14 : 10 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 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.

X-A5 14:10 RX100 IV

How about other alternatives? Do the specifications of the Fujifilm X-A5 and the Sony RX100 IV 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 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 X-A5 or the RX100 IV perform in practice. 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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Fujifilm X-A5+..4/54/53.5/5 Jan 2018 399iFujifilm X-A5
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999iSony RX100 IV
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699iCanon G7 X
 
Fujifilm X-T200..82/1004/5..4.5/5 Jan 2020 699 iFujifilm X-T200
 
Fujifilm X-T30+ +84/1004.5/55/54.5/5 Feb 2019 899 iFujifilm X-T30
 
Fujifilm X-A7..81/1004/5..3.5/5 Sep 2019 499 iFujifilm X-A7
 
Fujifilm X-T100+79/1004/5..4.5/5 May 2018 599iFujifilm X-T100
 
Fujifilm X-E3+84/1004.5/54.5/54.5/5 Sep 2017 899 iFujifilm X-E3
 
Fujifilm X-T20+ +82/1005/5..4.5/5 Jan 2017 899 iFujifilm X-T20
 
Fujifilm X-A3..74/1004.5/5..4/5 Aug 2016 399iFujifilm X-A3
 
Fujifilm X-A10....4/5..4/5 Dec 2016 399iFujifilm X-A10
 
Fujifilm X-A2....4.5/54/54.5/5 Jan 2015 399iFujifilm X-A2
 
Nikon D3500..75/1004/54.5/54.5/5 Aug 2018 429 iNikon D3500
 
Panasonic FZ1000+ +82/1004.5/54.5/54.5/5 Jun 2014 899iPanasonic FZ1000
 
Sony RX100 VII....4/5..5/5 Jul 2019 1,199 iSony RX100 VII
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 iSony RX100 V
 
Sony RX100 III+ +82/1004.5/54.5/55/5 May 2014 799iSony RX100 III
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Fujifilm X-A5:
Check Ebay offers
Sony RX100 IV:
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. 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 X-A5 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 X-A5 Sony RX100 IV
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Fujifilm X mount lenses 24-70mm f/1.8-2.8
    Launch Date January 2018 June 2015
    Launch Price USD 399 USD 999
    Sensor Specs Fujifilm X-A5 Sony RX100 IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor 1" Sensor
    Sensor Size 23.5 x 15.7 mm 13.2 x 8.8 mm
    Sensor Area 368.95 mm2 116.16 mm2
    Sensor Diagonal 28.3 mm 15.9 mm
    Crop Factor 1.5x 2.7x
    Sensor Resolution 24 Megapixels 20 Megapixels
    Image Resolution 6000 x 4000 pixels 5472 x 3648 pixels
    Pixel Pitch 3.92 μm 2.41 μm
    Pixel Density 6.50 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/15p Video 4K/30p Video
    ISO Setting 200-12800 ISO 125-12800 ISO
    ISO Boost 200-51200 ISO 80-25600 ISO
    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 X-A5 Sony RX100 IV
    Viewfinder Type No viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.22x
    Viewfinder Resolution 2359k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 1228k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm X-A5 Sony RX100 IV
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/2000/s
    Continuous Shooting 6 shutter flaps/s 16 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Fujifilm X-A5 Sony RX100 IV
    External Flash Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Fujifilm X-A5 Sony RX100 IV
    Battery Type NP-W126S NP-BX1
    Battery Life (CIPA)450 shots per charge280 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 117 x 68 x 40 mm
    (4.6 x 2.7 x 1.6 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 361 g (12.7 oz) 298 g (10.5 oz)

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