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Sony RX100 vs A5100

The Sony Cyber-shot DSC-RX100 and the Sony Alpha A5100 are two digital cameras that were officially introduced, respectively, in June 2012 and August 2014. The RX100 is a fixed lens compact, while the A5100 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (RX100) and an APS-C (A5100) sensor. The RX100 has a resolution of 20 megapixels, whereas the A5100 provides 24 MP.

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

Headline Specifications
Sony RX100
versus
Sony A5100
Sony RX100   Sony A5100
Fixed lens compact camera Mirrorless system camera
28-100mm f/1.8-4.9 Sony E mount lenses
20 MP – 1" sensor 24 MP – APS-C sensor
1080/60p Video 1080/60p Video
ISO 100-6,400 (100 - 25,600) ISO 100-25,600
No viewfinder, LCD framing No viewfinder, LCD framing
3.0" LCD – 1229k dots 3.0" LCD – 922k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
10 shutter flaps per second 6 shutter flaps per second
330 shots per battery charge400 shots per battery charge
102 x 58 x 36 mm, 240 g 110 x 63 x 36 mm, 283 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Cyber-shot DSC-RX100 and the Sony Alpha A5100? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Sony RX100 and the Sony A5100. 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 dimensions are rounded to the nearest millimeter.

The A5100 can be obtained in two different colors (black, white), while the RX100 is only available in black.

Size Sony RX100 vs Sony A5100
Compare RX100 versus A5100 top
Comparison RX100 or A5100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A5100 is notably larger (17 percent) than the Sony RX100. In this context, it is worth noting that neither the RX100 nor the A5100 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 has a lens built in, whereas the A5100 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 A5100 and their specifications in the Sony E-Mount Lens Catalog.

Concerning battery life, the RX100 gets 330 shots out of its Sony NP-BX1 battery, while the A5100 can take 400 images on a single charge of its Sony NP-FW50 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 want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony RX100 102 mm 58 mm 36 mm 240 g 330 n Jun 2012 649ebay.com
2.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549ebay.com
3.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529ebay.com
4.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
5.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
6.
 
Sony A5000 110 mm 63 mm 36 mm 269 g 420 n Jan 2014 449ebay.com
7.
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599ebay.com
8.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
9.
 
Sony A3000 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 329ebay.com
10.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499ebay.com
11.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299ebay.com
12.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.com
13.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749ebay.com
14.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699ebay.com
15.
 
Sony NEX-C3 110 mm 60 mm 33 mm 225 g 400 n Jun 2011 599ebay.com
16.
 
Sony NEX-3 117 mm 62 mm 33 mm 297 g 330 n May 2010 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony RX100 features an one-inch sensor and the Sony A5100 an APS-C sensor. The sensor area in the A5100 is 216 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony RX100 and Sony A5100 sensor measures

With 24MP, the A5100 offers a higher resolution than the RX100 (20MP), but the A5100 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 2.41μm for the RX100) due to its larger sensor. Moreover, the A5100 is a much more recent model (by 2 years and 2 months) than the RX100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A5100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A5100 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Sony RX100 are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The A5100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Cyber-shot DSC-RX100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha A5100 are ISO 100 to ISO 25600 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

RX100 versus A5100 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the A5100 offers substantially better image quality than the RX100 (overall score 14 points higher). The advantage is based on 1.2 bits higher color depth, 0.3 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony RX100 1-inch 20.0 5472 36481080/60p22.612.439066
2.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
3.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
4.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
5.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
6.
 
Sony A5000 APS-C 19.8 5456 36321080/60i23.813.0108979
7.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
8.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
9.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
10.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774
11.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.647469
12.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
13.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
14.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
15.
 
Sony NEX-C3 APS-C 16.0 4912 3264720/30p22.712.2108373
16.
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068
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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).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The RX100 and the A5100 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The adjacent table lists some of the other core features of the Sony RX100 and Sony A5100 along with similar information for a selection of comparators.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Sony RX100none n3.0 / 1229 fixed n 1/2000s 10.0/s Y Y
2.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0/s Y n
3.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
4.
 
Canon G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
5.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
6.
 
Sony A5000none n3.0 / 461 tilting n 1/4000s 3.5/s Y n
7.
 
Sony A60001440 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
8.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
9.
 
Sony A3000202 n3.0 / 230 fixed n 1/4000s 2.5/s Y n
10.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0/s Y n
11.
 
Sony RX101440 Y3.0 / 1229 tilting n 1/3200s 10.0/s Y Y
12.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
13.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
14.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
15.
 
Sony NEX-C3optional n3.0 / 920 tilting n 1/4000s 5.5/s n n
16.
 
Sony NEX-3optional n3.0 / 920 tilting n 1/4000s 7.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The A5100 has a touchscreen, while the RX100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The A5100 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the RX100 does not have a selfie-screen.

Concerning the storage of imaging data, both the RX100 and the A5100 write their files to SDXC or Memory Stick PRO Duo cards. The A5100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the RX100 cannot take advantage of Ultra High Speed SD cards.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Sony Cyber-shot DSC-RX100 and Sony Alpha A5100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony RX100-stereo / mono--micro2.0---
2.
 
Sony A5100-stereo / mono--micro2.0YY-
3.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
4.
 
Canon G9 X-stereo / mono--micro2.0YY-
5.
 
Sony RX100 V-stereo / mono--micro2.0YY-
6.
 
Sony A5000-stereo / mono--micro2.0YY-
7.
 
Sony A6000Ystereo / mono--micro2.0YY-
8.
 
Sony RX100 III-stereo / mono--micro2.0YY-
9.
 
Sony A3000Ystereo / mono--mini2.0---
10.
 
Sony NEX-3N-stereo / mono--micro2.0---
11.
 
Sony RX10Ystereo / monoYYmicro2.0YY-
12.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
13.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
14.
 
Sony NEX-5NYstereo / mono--mini2.0---
15.
 
Sony NEX-C3Ystereo / mono--mini2.0---
16.
 
Sony NEX-3Ystereo / mono--mini2.0---
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It is notable that the A5100 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the RX100 does not provide wifi capability.

Both the RX100 and the A5100 have been discontinued, but can regularly be found used on ebay. The RX100 was replaced by the Sony RX100 II, while the A5100 does not have a direct successor. Further information on the features and operation of the RX100 and A5100 can be found, respectively, in the Sony RX100 Manual (free pdf) or the online Sony A5100 Manual.

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Review summary

So what conclusions can be drawn? Is the Sony RX100 better than the Sony A5100 or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Arguments in favor of the Sony Cyber-shot DSC-RX100:

  • More detailed LCD: Has a higher resolution rear screen (1229k vs 922k dots).
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has a lens built-in, whereas the A5100 requires a separate lens.
  • More compact: Is smaller (102x58mm vs 110x63mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A5100).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More heavily discounted: Has been available for much longer (launched in June 2012).


Advantages of the Sony Alpha A5100:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.2 bits more color depth).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (400 versus 330) out of a single battery charge.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 2 years and 2 months of technical progress since the RX100 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A5100 is the clear winner of the contest (15 : 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.

RX100 07:15 A5100

How about other alternatives? Do the specifications of the Sony RX100 and the Sony A5100 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 says little about, for example, the shooting experience and imaging performance of the RX100 and the A5100 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony RX1005/5+ +..78/1004/55/5 Jun 2012 649ebay.com
2.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549ebay.com
3.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529ebay.com
4.
 
Canon G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
5.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
6.
 
Sony A50003/5+....4.5/54.5/5 Jan 2014 449ebay.com
7.
 
Sony A60005/5+4.5/580/1004.5/55/5 Feb 2014 599ebay.com
8.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
9.
 
Sony A30003/5+....4/54/5 Aug 2013 329ebay.com
10.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 499ebay.com
11.
 
Sony RX105/5+..80/1004.5/54.5/5 Oct 2013 1,299ebay.com
12.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
13.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749ebay.com
14.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699ebay.com
15.
 
Sony NEX-C33/5+ +..74/1004.5/54/5 Jun 2011 599ebay.com
16.
 
Sony NEX-3......70/1004.5/54/5 May 2010 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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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: Sony RX100 vs Sony A5100

    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 Sony RX100 Sony A5100
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28-100mm f/1.8-4.9 Sony E mount lenses
    Launch Date June 2012 August 2014
    Launch Price USD 649 USD 549
    Sensor Specs Sony RX100 Sony A5100
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor APS-C Sensor
    Sensor Size 13.2 x 8.8 mm 23.5 x 15.6 mm
    Sensor Area 116.16 mm2 366.6 mm2
    Sensor Diagonal 15.9 mm 28.2 mm
    Crop Factor 2.7x 1.5x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 3.91 μm
    Pixel Density 17.18 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 66 80
    DXO Color Depth (bits) 22.6 23.8
    DXO Dynamic Range (EV) 12.4 12.7
    DXO Low Light (ISO) 390 1347
    Screen Specs Sony RX100 Sony A5100
    Viewfinder Type no viewfinder no viewfinder
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1229k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Sony RX100 Sony A5100
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 6 shutter flaps/s
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium MS or SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Sony RX100 Sony A5100
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Sony RX100 Sony A5100
    Battery Type Sony NP-BX1 Sony NP-FW50
    Battery Life (CIPA)330 shots per charge400 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 102 x 58 x 36 mm
    (4.0 x 2.3 x 1.4 in)
    110 x 63 x 36 mm
    (4.3 x 2.5 x 1.4 in)
    Camera Weight 240 g (8.5 oz) 283 g (10.0 oz)
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