Sony A7R III vs Sony A7S
Portability
63 Imaging
78 Features
93 Overall
84
63 Imaging
78 Features
93 Overall
84
Portability
77 Imaging
60 Features
73 Overall
65
77 Imaging
60 Features
73 Overall
65
Sony A7R III vs Sony A7S Key Specs
Sony A7R III
(Full Review)
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Increase to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Revealed October 2017
- Earlier Model is Sony A7R II
- Replacement is Sony A7R IV
Sony A7S
(Full Review)
(Full Review)
- 12MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 409600
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 489g - 127 x 94 x 48mm
- Released April 2014
- Replacement is Sony A7S II
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On this page, we will be analyzing the Sony A7R III vs Sony A7S, both Pro Mirrorless digital cameras and they are both manufactured by Sony. There is a sizeable difference between the resolutions of the A7R III (42MP) and A7S (12MP) but both cameras boast the same sensor measurements (Full frame).
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe A7R III was revealed 3 years after the A7S which is quite a large gap as far as tech is concerned. The two cameras have the same body design (SLR-style mirrorless).
Before diving into a more detailed comparison, here is a quick synopsis of how the A7R III scores versus the A7S with regards to portability, imaging, features and an overall score.
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Following is a preview of the gallery images for Sony Alpha A7R III and Sony Alpha A7S. The full galleries are available at Sony A7R III Gallery and Sony A7S Gallery.
Reasons to pick Sony A7R III over the Sony A7S
| A7R III | A7S | |||
|---|---|---|---|---|
| Released | October 2017 |  | April 2014 | More modern by 44 months |
| Screen resolution | 1440k |  | 1230k | Sharper screen (+210k dot) |
| Touch friendly screen |  | Quickly navigate |
Reasons to pick Sony A7S over the Sony A7R III
| A7S | A7R III |
|---|
Common features in the Sony A7R III and Sony A7S
| A7R III | A7S | |||
|---|---|---|---|---|
| Manual focus |  | Dial precise focus | ||
| Screen type | Tilting |  | Tilting | Tilting screen |
| Screen dimensions | 3" |  | 3" | Equal screen measurements |
| Selfie screen |  | Neither provides selfie screen |
Sony A7R III vs Sony A7S Physical Comparison
If you're aiming to carry around your camera often, you'll need to consider its weight and proportions. The Sony A7R III provides physical measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) whilst the Sony A7S has measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs).
Compare the Sony A7R III vs Sony A7S in the all new Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that time. Here is a front view proportions comparison of the A7R III vs the A7S.
Factoring in size and weight, the portability grade of the A7R III and A7S is 63 and 77 respectively.
Sony A7R III vs Sony A7S Sensor Comparison
Generally, it's difficult to see the difference between sensor sizes purely by checking specs. The picture below will help provide you a far better sense of the sensor measurements in the A7R III and A7S.
As you can plainly see, the two cameras provide the same sensor dimensions albeit not the same megapixels. You should expect the Sony A7R III to resolve more detail because of its extra 30MP. Higher resolution can also enable you to crop pictures more aggressively. The more modern A7R III will have an advantage when it comes to sensor tech.
Sony A7R III vs Sony A7S Screen and ViewFinder
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Portrait Comparison
Sony A7R III Portrait photography info
Sony A7S Portrait photography info
focusing manually
fantastic megapixels (42MP)
great sensor size (Full frame)
offers face detect autofocus
delivers RAW files
you can focus manually
great sensor size (Full frame)
has face detection focusing
supports RAW formats
low resolution (12MP)
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Sony A7R III Street photography info
Sony A7S Street photography info
screen tilts
image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
delivers RAW files
supports focus via touch
environment proofing
great high ISO (32,000)
has a tilting screen
great sensor size (Full frame)
supports RAW formats
weather proofing
lighter than competitors (489g)
great high ISO (409,600)
does not have image stabilization
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Sony A7R III Sports photography info
Sony A7S Sports photography info
great max shutter speed (1/8,000s)
image stabilization (Sensor based 5-axis)
fantastic megapixels (42 megapixels)
great sensor size (Full frame)
offers tracking focus
environment proofing
good battery life (650 shots)
supports phase detect autofocus
high shutter speed (1/8,000 seconds)
great sensor size (Full frame)
has tracking autofocus
weather proofing
very slow continuous shooting (5.0 frames/s)
does not have image stabilization
low resolution (12MP)
low battery pack (360 shots)
does not have phase detect AF
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Sony A7R III Travel photography highlights
Sony A7S Travel photography highlights
good battery life (650 shots)
environment proofing
connects via bluetooth
supports focus via touch
fantastic megapixels (42 megapixels)
screen isn't selfie friendly
lighter than competitors (489 grams)
weather proofing
low battery pack (360 CIPA)
low resolution (12 megapixels)
display is not selfie friendly
Meta to Introduce 'AI-Generated' Labels for Media starting next monthLandscape Comparison
Landscape photography with Sony A7R III
Landscape photography with Sony A7S
focusing manually
change lenses (Sony E mount)
screen size is good (3")
image stabilization (Sensor based 5-axis)
fantastic megapixels (42MP)
great sensor size (Full frame)
does not have low pass filter
great high ISO (32,000)
delivers RAW files
environment proofing
good battery life (650 CIPA)
2 card slots
you can focus manually
interchangeable lenses (Sony E mount)
screen size is good (3 inches)
great sensor size (Full frame)
great high ISO (409,600)
supports RAW formats
weather proofing
does not have image stabilization
low resolution (12MP)
low battery pack (360 shots)
Photography GlossaryVlogging Comparison
Sony A7R III as a Vlogging camera
Sony A7S as a Vlogging camera
touchscreen capability
image stabilization (Sensor based 5-axis)
offers face detect autofocus
video res high (3840 x 2160 pxls)
comes with microphone support
screen isn't selfie friendly
has face detection focusing
high res video (3840 x 2160 pixels)
comes with external microphone support
lighter than competitors (489g)
display is not selfie friendly
does not have image stabilization
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Sony A7R III vs Sony A7S Specifications
| Sony Alpha A7R III | Sony Alpha A7S | |
|---|---|---|
| General Information | ||
| Brand | Sony | Sony |
| Model type | Sony Alpha A7R III | Sony Alpha A7S |
| Category | Pro Mirrorless | Pro Mirrorless |
| Revealed | 2017-10-25 | 2014-04-06 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Chip | Bionz X | Bionz X |
| Sensor type | BSI-CMOS | CMOS |
| Sensor size | Full frame | Full frame |
| Sensor measurements | 35.9 x 24mm | 35.8 x 23.9mm |
| Sensor area | 861.6mm² | 855.6mm² |
| Sensor resolution | 42 megapixel | 12 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 and 16:9 | 3:2 and 16:9 |
| Highest Possible resolution | 7952 x 5304 | 4240 x 2832 |
| Maximum native ISO | 32000 | 409600 |
| Maximum enhanced ISO | 102400 | - |
| Min native ISO | 100 | 100 |
| RAW support | ||
| Min enhanced ISO | 50 | - |
| Autofocusing | ||
| Manual focusing | ||
| Touch focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 425 | 25 |
| Lens | ||
| Lens mount type | Sony E | Sony E |
| Amount of lenses | 121 | 121 |
| Crop factor | 1 | 1 |
| Screen | ||
| Type of display | Tilting | Tilting |
| Display diagonal | 3 inch | 3 inch |
| Display resolution | 1,440k dots | 1,230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 3,686k dots | 2,359k dots |
| Viewfinder coverage | 100 percent | 100 percent |
| Viewfinder magnification | 0.78x | 0.71x |
| Features | ||
| Min shutter speed | 30 seconds | 30 seconds |
| Max shutter speed | 1/8000 seconds | 1/8000 seconds |
| Continuous shutter rate | 10.0 frames per sec | 5.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash settings | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync | no built-in flash |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) | 3840 x 2160, XAVC S 1080 60p(50Mbps), 30p (50Mbps), 24p (50Mbps). 720 120p (50Mbps). AVCHD 60p (28Mbps), 60i (24Mbps/17Mbps), 24p (24Mbps/17Mbps) |
| Maximum video resolution | 3840x2160 | 3840x2160 |
| Video data format | MPEG-4, AVCHD, XAVC S | MPEG-4, AVCHD, XAVC |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1(5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 657g (1.45 lbs) | 489g (1.08 lbs) |
| Physical dimensions | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") | 127 x 94 x 48mm (5.0" x 3.7" x 1.9") |
| DXO scores | ||
| DXO Overall rating | 100 | 87 |
| DXO Color Depth rating | 26.0 | 23.9 |
| DXO Dynamic range rating | 14.7 | 13.2 |
| DXO Low light rating | 3523 | 3702 |
| Other | ||
| Battery life | 650 photos | 360 photos |
| Battery style | Battery Pack | Battery Pack |
| Battery ID | NP-FZ100 | NP-FW50 |
| Self timer | Yes (2 or 10 sec; continuous (3 or 5 exposures)) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse feature | With downloadable app | |
| Storage type | Two SD/SDHC/SDXC slots (UHS-II support on one) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Card slots | Dual | 1 |
| Price at release | $2,800 | $1,998 |