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Sony RX100 IV vs A7 II

The Sony Cyber-shot DSC-RX100 IV and the Sony Alpha A7 II are two digital cameras that were revealed to the public, respectively, in June 2015 and November 2014. The RX100 IV is a fixed lens compact, while the A7 II is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (RX100 IV) and a full frame (A7 II) sensor. The RX100 IV has a resolution of 20 megapixels, whereas the A7 II 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 IV
versus
Sony A7 II
Sony RX100 IV   Sony A7 II
Fixed lens compact camera Mirrorless system camera
24-70mm f/1.8-2.8 Sony E mount lenses
20 MP – 1" sensor 24 MP – Full Frame sensor
4K/30p Video 1080/60p Video
ISO 125-12,800 (80 - 25,600) ISO 100-25,600 (50 - 51,200)
Electronic viewfinder (2359k dots) Electronic viewfinder (2400k dots)
3.0" LCD – 1228k dots 3.0" LCD – 1230k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
16 shutter flaps per second 5 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
280 shots per battery charge350 shots per battery charge
102 x 58 x 41 mm, 298 g 127 x 96 x 60 mm, 599 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 IV and the Sony Alpha A7 II? 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 physical size and weight of the Sony RX100 IV and the Sony A7 II are illustrated 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 measures are rounded to the nearest millimeter.

Size Sony RX100 IV vs Sony A7 II
Compare RX100 IV versus A7 II top
Comparison RX100 IV or A7 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 II is considerably larger (106 percent) than the Sony RX100 IV. It is noteworthy in this context that the A7 II is splash and dust-proof, while the RX100 IV does not feature any corresponding weather-sealing.

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 A7 II 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 A7 II and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the RX100 IV gets 280 shots out of its Sony NP-BX1 battery, while the A7 II can take 350 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.com
2.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
4.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699ebay.com
5.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899ebay.com
6.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
7.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.com
8.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
9.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
10.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
11.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
12.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749ebay.com
13.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799ebay.com
14.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999ebay.com
15.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199ebay.com
16.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 amazon.com
17.
 
Sony ZV-1 II 106 mm 60 mm 47 mm 292 g 290 n May 2023 899 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The RX100 IV was launched at a lower price than the A7 II, despite having a lens built in. 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. 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 Sony RX100 IV features an one-inch sensor and the Sony A7 II a full frame sensor. The sensor area in the A7 II is 638 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony RX100 IV and Sony A7 II sensor measures

With 24MP, the A7 II offers a higher resolution than the RX100 IV (20MP), but the A7 II nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 2.41μm for the RX100 IV) due to its larger sensor. However, the RX100 IV is a somewhat more recent model (by 6 months) than the A7 II, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A7 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 II 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 IV 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 A7 II 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 IV has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 80-25600. The corresponding ISO settings for the Sony Alpha A7 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

In terms of underlying technology, the RX100 IV is build around a BSI-CMOS sensor, while the A7 II uses a CMOS imager. 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 IV versus A7 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the A7 II offers substantially better image quality than the RX100 IV (overall score 20 points higher). The advantage is based on 2.1 bits higher color depth, 1 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
2.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
5.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
6.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
7.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
8.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
9.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
10.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
11.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
12.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
13.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
14.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
15.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p22.112.347864
16.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.441863
17.
 
Sony ZV-1 II 1-inch 20.0 5472 36484K/30p22.312.996567
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. 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 higher video resolution than the A7 II. It can shoot video footage at 4K/30p, while the A7 II is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7 II offers a slightly higher resolution than the one in the RX100 IV (2400k vs 2359k dots). The following table reports on some other key feature differences and similarities of the Sony RX100 IV, the Sony A7 II, and comparable cameras.

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Core Features
  empty 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 RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
2.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
3.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
4.
 
Canon G7 Xnone n3.0 / 1040 tilting Y 1/2000s 6.5/s Y Y
5.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0/s Y Y
6.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
7.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
8.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
9.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
10.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
11.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
12.
 
Sony RX100 IIoptional n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
13.
 
Sony RX100 III1440 n3.0 / 1229 tilting n 1/2000s 10.0/s Y Y
14.
 
Sony RX100 V2359 n3.0 / 1229 tilting n 1/2000s 24.0/s Y Y
15.
 
Sony RX100 VI2359 n3.0 / 1229 tilting Y 1/2000s 24.0/s Y Y
16.
 
Sony RX100 VII2359 n3.0 / 921 tilting Y 1/2000s 90.0/s Y Y
17.
 
Sony ZV-1 IInone n3.0 / 922 swivel Y 1/2000s 24.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The RX100 IV has one, while the A7 II does not. While the built-in flash of the RX100 IV is not very powerful, it can at times be useful as a fill-in light.

The RX100 IV 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 A7 II 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 RX100 IV 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).

Concerning the storage of imaging data, both the RX100 IV and the A7 II write their files to 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.

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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 IV and Sony Alpha A7 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
2.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Canon G7 X-stereo / mono--micro2.0YY-
5.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
6.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
7.
 
Sony A7Ystereo / monoYYmicro2.0YY-
8.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
9.
 
Sony A7CYstereo / monoYYmicro3.2YYY
10.
 
Sony A7RYstereo / monoYYmicro2.0YY-
11.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
12.
 
Sony RX100 IIYstereo / mono--micro2.0YY-
13.
 
Sony RX100 III-stereo / mono--micro2.0YY-
14.
 
Sony RX100 V-stereo / mono--micro2.0YY-
15.
 
Sony RX100 VI-stereo / mono--micro2.0YYY
16.
 
Sony RX100 VII-stereo / monoY-micro2.0YYY
17.
 
Sony ZV-1 IIYstereo / monoY-micro2.0Y-Y

It is notable that the A7 II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The RX100 IV does not feature such a mic input.

Both the RX100 IV and the A7 II have been discontinued, but can regularly be found used on ebay. The A7 II was replaced by the Sony A7 III, while the RX100 IV was followed by the Sony RX100 IV. Further information on the features and operation of the RX100 IV and A7 II can be found, respectively, in the Sony RX100 IV Manual (free pdf) or the online Sony A7 II Manual.

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Review summary

So how do things add up? Which of the two cameras – the Sony RX100 IV or the Sony A7 II – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.


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

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (16 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7 II requires a separate lens.
  • More compact: Is smaller (102x58mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7 II).
  • 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 modern: Is somewhat more recent (announced 6 months after the A7 II).


Arguments in favor of the Sony Alpha A7 II:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores substantially higher (20 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.1 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.59x).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (350 versus 280) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More heavily discounted: Has been on the market for longer (launched in November 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the A7 II is the clear winner of the contest (15 : 10 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.

RX100 IV 10:15 A7 II

How about other alternatives? Do the specifications of the Sony RX100 IV and the Sony A7 II 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 IV and the A7 II 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 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
2.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
4.
 
Canon G7 X4/5+ +..77/1004.5/54.5/5 Sep 2014 699ebay.com
5.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 899ebay.com
6.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
7.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
8.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
9.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
10.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
11.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
12.
 
Sony RX100 II5/5+ +..79/1004.5/54.5/5 Jun 2013 749ebay.com
13.
 
Sony RX100 III5/5+ +..82/1004.5/55/5 May 2014 799ebay.com
14.
 
Sony RX100 V4.5/5+ +..83/1004/54.5/5 Oct 2016 999ebay.com
15.
 
Sony RX100 VI4.5/5+ +..83/1004/54.5/5 Jun 2018 1,199ebay.com
16.
 
Sony RX100 VII4.5/5..4/5..4/55/5 Jul 2019 1,199 amazon.com
17.
 
Sony ZV-1 II4.5/5..3.5/583/1003.5/54.5/5 May 2023 899 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, 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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony RX100 IV vs Sony A7 II

    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 IV Sony A7 II
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-70mm f/1.8-2.8 Sony E mount lenses
    Launch Date June 2015 November 2014
    Launch Price USD 999 USD 1,999
    Sensor Specs Sony RX100 IV Sony A7 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.8 x 23.9 mm
    Sensor Area 116.16 mm2 855.62 mm2
    Sensor Diagonal 15.9 mm 43 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 5.97 μm
    Pixel Density 17.18 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 125 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 80 - 25,600 ISO 50 - 51,200 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) 70 90
    DXO Color Depth (bits) 22.8 24.9
    DXO Dynamic Range (EV) 12.6 13.6
    DXO Low Light (ISO) 591 2449
    Screen Specs Sony RX100 IV Sony A7 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.59x 0.71x
    Viewfinder Resolution 2359k dots 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1228k dots 1230k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Sony RX100 IV Sony A7 II
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 16 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board 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 UHS-I UHS-I
    Connectivity Specs Sony RX100 IV Sony A7 II
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Body Specs Sony RX100 IV Sony A7 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Sony NP-BX1 Sony NP-FW50
    Battery Life (CIPA)280 shots per charge350 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 298 g (10.5 oz) 599 g (21.1 oz)
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    Check RX100 IV offers at
    ebay.com
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    Check A7 II offers at
    ebay.com

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