Sony A7R vs RX100 IV
The Sony Alpha A7R and the Sony Cyber-shot DSC-RX100 IV are two digital cameras that were officially introduced, respectively, in October 2013 and June 2015. The A7R is a mirrorless interchangeable lens camera, while the RX100 IV is a fixed lens compact. The cameras are based on a full frame (A7R) and an one-inch (RX100 IV) sensor. The A7R has a resolution of 36.2 megapixels, whereas the RX100 IV provides 20 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7R 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.
An illustration of the physical size and weight of the Sony A7R and the Sony RX100 IV 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 measures are rounded to the nearest millimeter.
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 considerably smaller (50 percent) than the Sony A7R. It is worth mentioning in this context that the A7R is splash and dust resistant, 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 A7R 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 A7R and their specifications in the Sony FE Lens Catalog.
Concerning battery life, the A7R gets 340 shots out of its NP-FW50 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 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.
|1.||Sony A7R||127 mm||94 mm||48 mm||465 g||340||Y||Oct 2013||2,299|
|2.||Sony RX100 IV||102 mm||58 mm||41 mm||298 g||280||n||Jun 2015||999|
|3.||Canon G7 X||103 mm||60 mm||40 mm||304 g||210||n||Sep 2014||699|
|4.||Nikon D750||141 mm||113 mm||78 mm||750 g||1230||Y||Sep 2014||2,299|
|5.||Nikon D810||146 mm||123 mm||82 mm||980 g||1200||Y||Jun 2014||3,299|
|6.||Nikon Df||144 mm||110 mm||67 mm||760 g||1400||Y||Nov 2013||2,749|
|7.||Panasonic FZ1000||137 mm||99 mm||131 mm||831 g||360||n||Jun 2014||899|
|8.||Sony A6300||120 mm||67 mm||49 mm||404 g||400||Y||Feb 2016||999|
|9.||Sony RX100 V||102 mm||58 mm||41 mm||299 g||220||n||Oct 2016||999|
|10.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199|
|11.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999|
|12.||Sony A7S||127 mm||94 mm||48 mm||489 g||380||Y||Apr 2014||2,499|
|13.||Sony A6000||120 mm||67 mm||45 mm||344 g||360||n||Feb 2014||599|
|14.||Sony RX100 III||102 mm||58 mm||41 mm||290 g||320||n||May 2014||799|
|15.||Sony A7||127 mm||94 mm||48 mm||474 g||340||Y||Oct 2013||1,699|
|16.||Sony RX1R||113 mm||65 mm||70 mm||482 g||270||n||Jun 2013||2,799|
|17.||Sony RX1||113 mm||65 mm||70 mm||482 g||270||n||Sep 2012||2,799|
|Notes: 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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The RX100 IV was launched at a lower price than the A7R, 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.
The size of the imaging sensor is a crucial determinant 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Sony A7R features a full frame sensor and the Sony RX100 IV an one-inch sensor. The sensor area in the RX100 IV is 87 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 36.2MP, the A7R offers a higher resolution than the RX100 IV (20MP), but the A7R nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 2.41μm for the RX100 IV) due to its larger sensor. However, the RX100 IV is a somewhat more recent model (by 1 year and 7 months) than the A7R, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the A7R has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Sony A7R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 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 Sony Alpha A7R has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-51200. 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.
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"). Of the two cameras under review, the A7R provides substantially higher image quality than the RX100 IV, with an overall score that is 25 points higher. This advantage is based on 2.8 bits higher color depth, 1.5 EV in additional dynamic range, and 2.2 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.
|1.||Sony A7R||Full Frame||36.2||7360||4912||1080/60p||25.6||14.1||2746||95|
|2.||Sony RX100 IV||1-inch||20.0||5472||3648||4K/30p||22.8||12.6||591||70|
|3.||Canon G7 X||1-inch||20.0||5472||3648||1080/60p||23.0||12.7||556||71|
|4.||Nikon D750||Full Frame||24.2||6016||4016||1080/60p||24.8||14.5||2956||93|
|5.||Nikon D810||Full Frame||36.2||7360||4912||1080/60p||25.7||14.8||2853||97|
|6.||Nikon Df||Full Frame||16.2||4928||3280||none||24.6||13.1||3279||89|
|9.||Sony RX100 V||1-inch||20.0||5472||3648||4K/30p||22.8||12.4||586||70|
|10.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|11.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|12.||Sony A7S||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87|
|14.||Sony RX100 III||1-inch||20.0||5472||3648||1080/60p||22.4||12.3||495||67|
|15.||Sony A7||Full Frame||24.0||6000||4000||1080/60p||24.8||14.2||2248||90|
|16.||Sony RX1R||Full Frame||24.0||6000||4000||1080/60p||25.0||13.6||2537||91|
|17.||Sony RX1||Full Frame||24.0||6000||4000||1080/60p||25.1||14.3||2534||93|
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the RX100 IV provides a better video resolution than the A7R. It can shoot movie footage at 4K/30p, while the A7R is limited to 1080/60p.
Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A7R 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 A7R, the Sony RX100 IV, and comparable cameras.
|1.||Sony A7R||2400||n||3.0 / 1230||tilting||n||1/8000s||4.0||n||n|
|2.||Sony RX100 IV||2359||n||3.0 / 1228||tilting||n||1/2000s||16.0||Y||Y|
|3.||Canon G7 X||none||n||3.0 / 1040||tilting||Y||1/2000s||6.5||Y||Y|
|4.||Nikon D750||optical||Y||3.2 / 1229||tilting||n||1/4000s||6.0||Y||n|
|5.||Nikon D810||optical||Y||3.2 / 1229||fixed||n||1/8000s||5.0||Y||n|
|6.||Nikon Df||optical||Y||3.2 / 921||fixed||n||1/4000s||5.5||n||n|
|7.||Panasonic FZ1000||2359||n||3.0 / 921||swivel||n||1/4000s||12.0||Y||Y|
|8.||Sony A6300||2359||n||3.0 / 922||tilting||n||1/4000s||11.0||Y||n|
|9.||Sony RX100 V||2359||n||3.0 / 1229||tilting||n||1/2000s||24.0||Y||Y|
|10.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0||n||Y|
|11.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0||n||Y|
|12.||Sony A7S||2400||n||3.0 / 921||tilting||n||1/8000s||5.0||n||n|
|13.||Sony A6000||1440||n||3.0 / 922||tilting||n||1/4000s||11.0||Y||n|
|14.||Sony RX100 III||1440||n||3.0 / 1229||tilting||n||1/2000s||10.0||Y||Y|
|15.||Sony A7||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0||n||n|
|16.||Sony RX1R||optional||n||3.0 / 1229||fixed||n||1/4000s||5.0||Y||n|
|17.||Sony RX1||optional||n||3.0 / 1229||fixed||n||1/4000s||5.0||Y||n|
One difference between the cameras concerns the presence of an on-board flash. The RX100 IV has one, while the A7R 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 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 A7R 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 A7R and the RX100 IV 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.
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 Alpha A7R and Sony Cyber-shot DSC-RX100 IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Sony A7R||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|2.||Sony RX100 IV||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|3.||Canon G7 X||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|4.||Nikon D750||Y||stereo / mono||Y||Y||mini||2.0||Y||-||-|
|5.||Nikon D810||Y||stereo / mono||Y||Y||mini||3.0||Y||-||-|
|6.||Nikon Df||Y||- / -||-||-||mini||2.0||-||-||-|
|7.||Panasonic FZ1000||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|8.||Sony A6300||Y||stereo / mono||Y||-||micro||2.0||Y||Y||-|
|9.||Sony RX100 V||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|10.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|11.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|12.||Sony A7S||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|13.||Sony A6000||Y||stereo / mono||-||-||micro||2.0||Y||Y||-|
|14.||Sony RX100 III||-||stereo / mono||-||-||micro||2.0||Y||Y||-|
|15.||Sony A7||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|16.||Sony RX1R||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|17.||Sony RX1||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
It is notable that the A7R 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 A7R and the RX100 IV have been discontinued, but can regularly be found used on eBay. The A7R was replaced by the Sony A7R II, while the RX100 IV was followed by the Sony RX100 IV. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Sony website.
So what is the bottom line? Is the Sony A7R better than the Sony RX100 IV or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Sony Alpha A7R:
- More detail: Offers more megapixels (36.2 vs 20MP) with a 35% higher linear resolution.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Scores substantially higher (25 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (2.8 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (1.5 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (2.2 stops ISO advantage).
- 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: Accepts interchangeable lenses, so that lens characteristics can be altered.
- Longer lasting: Can take more shots (340 versus 280) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- 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 October 2013).
Arguments in favor of the Sony Cyber-shot DSC-RX100 IV:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- 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 4 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Ready to shoot: Has an integrated lens, whereas the A7R necessitates an extra lens.
- More compact: Is smaller (102x58mm vs 127x94mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight even though it has a lens built in (unlike the A7R).
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More modern: Was introduced somewhat (1 year and 7 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the A7R emerges as the winner of the contest (15 : 12 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Sony A7R 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the A7R and the RX100 IV 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.
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
|1.||Sony A7R||5/5||+ +||..||82/100||4.5/5||5/5||Oct 2013||2,299|
|2.||Sony RX100 IV||4.5/5||+ +||..||85/100||4/5||4.5/5||Jun 2015||999|
|3.||Canon G7 X||4/5||+ +||..||77/100||4.5/5||4.5/5||Sep 2014||699|
|4.||Nikon D750||5/5||+ +||4/5||90/100||4.5/5||4.5/5||Sep 2014||2,299|
|5.||Nikon D810||5/5||..||5/5||86/100||5/5||4.5/5||Jun 2014||3,299|
|6.||Nikon Df||4/5||..||..||81/100||4/5||4/5||Nov 2013||2,749|
|7.||Panasonic FZ1000||4/5||+ +||..||82/100||4.5/5||4.5/5||Jun 2014||899|
|8.||Sony A6300||4.5/5||+||..||85/100||5/5||5/5||Feb 2016||999|
|9.||Sony RX100 V||4.5/5||+ +||..||83/100||4/5||4.5/5||Oct 2016||999|
|10.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199|
|11.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999|
|12.||Sony A7S||4/5||..||..||86/100||4.5/5||5/5||Apr 2014||2,499|
|13.||Sony A6000||5/5||+||4.5/5||80/100||4.5/5||5/5||Feb 2014||599|
|14.||Sony RX100 III||5/5||+ +||..||82/100||4.5/5||5/5||May 2014||799|
|15.||Sony A7||5/5||+ +||..||80/100||5/5||5/5||Oct 2013||1,699|
|16.||Sony RX1R||5/5||..||..||..||4/5||4.5/5||Jun 2013||2,799|
|17.||Sony RX1||5/5||..||..||79/100||4/5||4.5/5||Sep 2012||2,799|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon 1D Mark II vs Sony A7R
- Canon SL2 vs Sony RX100 IV
- Canon SX510 vs Sony A7R
- Fujifilm X-Pro1 vs Sony A7R
- Nikon Coolpix A vs Sony RX100 IV
- Nikon D3 vs Sony RX100 IV
- Nikon D7100 vs Sony A7R
- Nikon D800 vs Sony A7R
- Nikon L840 vs Sony RX100 IV
- Panasonic G2 vs Sony RX100 IV
- Sony A5000 vs Sony A7R
- Sony A7R IV vs Sony RX100 IV
Specifications: Sony A7R 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 Model||Sony A7R||Sony RX100 IV|
|Camera Type||Mirrorless system camera||Fixed lens compact camera|
|Camera Lens||Sony E mount lenses||24-70mm f/1.8-2.8|
|Launch Date||October 2013||June 2015|
|Launch Price||USD 2,299||USD 999|
|Sensor Specs||Sony A7R||Sony RX100 IV|
|Sensor Format||Full Frame Sensor||1" Sensor|
|Sensor Size||35.9 x 24.0 mm||13.2 x 8.8 mm|
|Sensor Area||861.6 mm2||116.16 mm2|
|Sensor Diagonal||43.2 mm||15.9 mm|
|Sensor Resolution||36.2 Megapixels||20 Megapixels|
|Image Resolution||7360 x 4912 pixels||5472 x 3648 pixels|
|Pixel Pitch||4.88 μm||2.41 μm|
|Pixel Density||4.20 MP/cm2||17.18 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||4K/30p Video|
|ISO Setting||100 - 25,600 ISO||125 - 12,800 ISO|
|ISO Boost||50 - 51,200 ISO||80 - 25,600 ISO|
|Image Processor||BIONZ X||BIONZ X|
|DXO Sensor Quality (score)||95||70|
|DXO Color Depth (bits)||25.6||22.8|
|DXO Dynamic Range (EV)||14.1||12.6|
|DXO Low Light (ISO)||2746||591|
|Screen Specs||Sony A7R||Sony RX100 IV|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||2400k dots||2359k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||1230k dots||1228k dots|
|LCD Attachment||Tilting screen||Tilting screen|
|Shooting Specs||Sony A7R||Sony RX100 IV|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/2000s|
|Continuous Shooting||4 shutter flaps/s||16 shutter flaps/s|
|Electronic Shutter||no E-Shutter||up to 1/32000s|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||MS or SDXC cards||MS or SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Sony A7R||Sony RX100 IV|
|External Flash||Hotshoe||no Hotshoe|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||micro HDMI||micro HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Headphone Socket||Headphone port||no Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Near-Field Communication||NFC built-in||NFC built-in|
|Body Specs||Sony A7R||Sony RX100 IV|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||340 shots per charge||280 shots per charge|
|In-Camera Charging||USB charging||USB charging|
127 x 94 x 48 mm
(5.0 x 3.7 x 1.9 in)
102 x 58 x 41 mm
(4.0 x 2.3 x 1.6 in)
|Camera Weight||465 g (16.4 oz)||298 g (10.5 oz)|
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