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Sony A77 II vs RX100 III

The Sony Alpha SLT-A77 II and the Sony Cyber-shot DSC-RX100 III are two digital cameras that were revealed to the public in May 2014. The A77 II is a DSLR, while the RX100 III is a fixed lens compact. The cameras are based on an APS-C (A77 II) and an one-inch (RX100 III) sensor. The A77 II has a resolution of 24 megapixels, whereas the RX100 III provides 20 MP.

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

Headline Specifications
Sony A77 II VS Sony RX100 III
Sony A77 II Sony RX100 III
Digital single lens reflex Fixed lens compact camera
Sony A mount lenses 24-70mm f/1.8-2.8
24 MP, APS-C Sensor 20 MP, 1" Sensor
1080/60p Video 1080/60p Video
ISO 100-25600 (50-51200) ISO 100-12800 (80-25600)
Electronic viewfinder (2359k dots) Electronic viewfinder (1440k dots)
3.0" LCD, 1229k dots 3.0" LCD, 1229k dots
Fully flexible screen (no touchscreen) Tilting screen (not touch-sensitive)
12 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodyNot weather sealed
480 shots per battery charge320 shots per battery charge
143 x 104 x 81 mm, 647 g 102 x 58 x 41 mm, 290 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha SLT-A77 II and the Sony Cyber-shot DSC-RX100 III? 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 side-by-side display below illustrates the physical size and weight of the Sony A77 II and the Sony RX100 III. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Sony A77 II vs Sony RX100 III
Compare A77 II versus RX100 III top
Comparison A77 II or RX100 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony RX100 III is considerably smaller (60 percent) than the Sony A77 II. It is worth mentioning in this context that the A77 II is splash and dust resistant, while the RX100 III does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the RX100 III has a lens built in, whereas the A77 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the A77 II gets 480 shots out of its NP-FM500H battery, while the RX100 III can take 320 images on a single charge of its NP-BX1 power pack. The power pack in the RX100 III can be charged via the USB port, 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. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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
 
Sony A77 II» 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199 iSony A77 II
 
Sony RX100 III« 102 mm 58 mm 41 mm 290 g 320 n May 2014 799iSony RX100 III
 
Canon G3 X« » 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999 iCanon G3 X
 
Canon G5 X« » 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799iCanon G5 X
 
Canon G7 X« » 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699iCanon G7 X
 
Nikon D7200« » 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199iNikon D7200
 
Panasonic GX8« » 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199iPanasonic GX8
 
Panasonic FZ1000« » 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899iPanasonic FZ1000
 
Sony A9« » 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499iSony A9
 
Sony A6500« » 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399iSony A6500
 
Sony A7R II« » 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199iSony A7R II
 
Sony A7S II« » 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999 iSony A7S II
 
Sony RX100 IV« » 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999iSony RX100 IV
 
Sony A68« » 143 mm 104 mm 81 mm 610 g 540 n Nov 2015 699iSony A68
 
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999iSony A7 II
 
Sony RX100 II« » 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749iSony RX100 II
 
Sony A77« » 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 1,399iSony A77
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The RX100 III was launched at a lower price than the A77 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 size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A77 II features an APS-C sensor and the Sony RX100 III an one-inch sensor. The sensor area in the RX100 III is 68 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.

Sony A77 II and Sony RX100 III sensor measures

With 24MP, the A77 II offers a higher resolution than the RX100 III (20MP), but the A77 II nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 2.41μm for the RX100 III) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.

The resolution advantage of the Sony A77 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A77 II 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 III 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 Sony Alpha SLT-A77 II 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 III are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

A77 II versus RX100 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Sony A77 II APS-C 24.0 6000 40001080/60p........Sony A77 II
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567Sony RX100 III
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163Canon G3 X
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........Canon G5 X
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675Panasonic GX8
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764Panasonic FZ1000
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585Sony A6500
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170Sony RX100 IV
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179Sony A68
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367Sony RX100 II
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178Sony A77

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A77 II offers a substantially higher resolution than the one in the RX100 III (2359k vs 1440k dots). The adjacent table lists some of the other core features of the Sony A77 II and Sony RX100 III along with similar information for a selection of comparators.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Sony A77 II2359 Y 3.0 1229 full-flex n 1/8000s 12.0 Y Y Sony A77 II
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y Sony RX100 III
 
Canon G3 Xoptional n 3.2 1620 tilting Y 1/2000s 5.9 Y Y Canon G3 X
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y Canon G5 X
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y Canon G7 X
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7200
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y Panasonic GX8
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y Panasonic FZ1000
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony A65002359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y Sony A6500
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y Sony RX100 IV
 
Sony A681440 Y 2.7 460 tilting n 1/4000s 8.0 Y Y Sony A68
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony RX100 IIoptional n 3.0 1229 tilting n 1/2000s 10.0 Y Y Sony RX100 II
 
Sony A772359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77

One feature that is present on the A77 II, but is missing on the RX100 III is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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.

Concerning the storage of imaging data, both the A77 II and the RX100 III 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.

 

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 Alpha SLT-A77 II and Sony Cyber-shot DSC-RX100 III 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
 
Sony A77 IIYstereomonoY-mini2.0YY-Sony A77 II
 
Sony RX100 III-stereomono--micro2.0YY-Sony RX100 III
 
Canon G3 XYstereomonoYYmini2.0YY-Canon G3 X
 
Canon G5 XYstereomono--mini2.0YY-Canon G5 X
 
Canon G7 X-stereomono--micro2.0YY-Canon G7 X
 
Nikon D7200YstereomonoYYmini2.0YY-Nikon D7200
 
Panasonic GX8YstereomonoY-micro2.0YY-Panasonic GX8
 
Panasonic FZ1000YstereomonoY-micro2.0YY-Panasonic FZ1000
 
Sony A9YstereomonoYYmicro2.0YYYSony A9
 
Sony A6500YstereomonoY-micro2.0YY-Sony A6500
 
Sony A7R IIYstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7S IIYstereomonoYYmicro2.0YY-Sony A7S II
 
Sony RX100 IV-stereomono--micro2.0YY-Sony RX100 IV
 
Sony A68YstereomonoY-micro2.0---Sony A68
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony RX100 IIYstereomono--micro2.0YY-Sony RX100 II
 
Sony A77YstereomonoY-mini2.0---Sony A77

It is notable that the A77 II has a hotshoe, while the RX100 III does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Sony A77 II (unlike the RX100 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A77 II is a recent model that features in the current product line-up of Sony. In contrast, the RX100 III has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the RX100 III was succeeded 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.

Review summary

So what conclusions can be drawn? Is the Sony A77 II better than the Sony RX100 III or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Sony Alpha SLT-A77 II:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (2359k vs 1440k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.22x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 10 flaps/sec) to capture the decisive moment.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (480 versus 320) 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.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.


Advantages of the Sony Cyber-shot DSC-RX100 III:

  • Ready to shoot: Comes with an integrated lens, while the A77 II requires a separate lens.
  • More compact: Is smaller (102x58mm vs 143x104mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the A77 II).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.

If the number of relative strengths (bullet points above) is taken as a guide, the A77 II is the clear winner of the match-up (17 : 4 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.

A77 II 17:04 RX100 III

How about other alternatives? Do the specifications of the Sony A77 II and the Sony RX100 III place the cameras among the top in their class? Find out in the latest Best DSLR 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A77 II or the RX100 III. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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
 
Sony A77 II..80/1004.5/54/55/5 May 2014 1,199 iSony A77 II
 
Sony RX100 III+ +82/1004.5/54.5/55/5 May 2014 799iSony RX100 III
 
Canon G3 X+..4.5/53.5/54/5 Jun 2015 999 iCanon G3 X
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799iCanon G5 X
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699iCanon G7 X
 
Nikon D7200+ +84/1004.5/54/54.5/5 Mar 2015 1,199iNikon D7200
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199iPanasonic GX8
 
Panasonic FZ1000+ +82/1004.5/54.5/54.5/5 Jun 2014 899iPanasonic FZ1000
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499iSony A9
 
Sony A6500+ +85/1004.5/55/54.5/5 Oct 2016 1,399iSony A6500
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199iSony A7R II
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999 iSony A7S II
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999iSony RX100 IV
 
Sony A68....4/5..4/5 Nov 2015 699iSony A68
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony RX100 II+ +79/1004.5/55/54.5/5 Jun 2013 749iSony RX100 II
 
Sony A7791/10081/100..4.5/55/5 Aug 2011 1,399iSony A77
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Sony A77 II:
Check Amazon price
Sony RX100 III:
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: Sony A77 II vs Sony RX100 III

    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 A77 II Sony RX100 III
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Sony A mount lenses 24-70mm f/1.8-2.8
    Launch Date May 2014 May 2014
    Launch Price USD 1199 USD 799
    Sensor Specs Sony A77 II Sony RX100 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor 1" Sensor
    Sensor Size 23.5 x 15.6 mm 13.2 x 8.8 mm
    Sensor Area 366.6 mm2 116.16 mm2
    Sensor Diagonal 28.2 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 3.91 μm 2.41 μm
    Pixel Density 6.55 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100-25600 ISO 100-12800 ISO
    ISO Boost 50-51200 ISO 80-25600 ISO
    Image Processor BIONZ X BIONZ X
    DXO Sensor Quality (score) .. 67
    DXO Color Depth (bits) .. 22.4
    DXO Dynamic Range (EV) .. 12.3
    DXO Low Light (ISO) .. 495
    Screen Specs Sony A77 II Sony RX100 III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.73x 0.22x
    Viewfinder Resolution 2359k dots 1440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1229k dots 1229k dots
    LCD Attachment Fully flexible screen Tilting screen
    Shooting Specs Sony A77 II Sony RX100 III
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/2000/s
    Continuous Shooting 12 shutter flaps/s 10 shutter flaps/s
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash Build-in Flash Build-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 A77 II Sony RX100 III
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    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 NFC built-in NFC built-in
    Body Specs Sony A77 II Sony RX100 III
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NP-FM500H NP-BX1
    Battery Life (CIPA)480 shots per charge320 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    102 x 58 x 41 mm
    (4.0 x 2.3 x 1.6 in)
    Camera Weight 647 g (22.8 oz) 290 g (10.2 oz)

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