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Sony A7R III vs Sony A7S III

Portability
63
Imaging
80
Features
93
Overall
85
Sony Alpha A7R III front
 
Sony Alpha A7S III front
Portability
61
Imaging
67
Features
92
Overall
77

Sony A7R III vs Sony A7S III Key Specs

Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Boost to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Launched October 2017
  • Older Model is Sony A7R II
  • Refreshed by Sony A7R IV
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Push to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Revealed July 2020
  • Succeeded the Sony A7S II
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Sony A7R III vs Sony A7S III Overview

Here, we are looking at the Sony A7R III and Sony A7S III, both Pro Mirrorless cameras and both of them are built by Sony. There is a sizable difference among the resolutions of the A7R III (42MP) and A7S III (12MP) but both cameras provide the identical sensor size (Full frame).

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The A7R III was manufactured 3 years earlier than the A7S III which is a fairly significant difference as far as camera tech is concerned. Each of the cameras feature the same body design (SLR-style mirrorless).

Before delving into a step-by-step comparison, here is a brief overview of how the A7R III scores against the A7S III in relation to portability, imaging, features and an overall score.

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Reasons to pick Sony A7R III over the Sony A7S III

 A7R III A7S III 

Reasons to pick Sony A7S III over the Sony A7R III

 A7S III A7R III 
RevealedJuly 2020October 2017More modern by 33 months
Display typeFully articulatedTiltingFully Articulating display
Selfie screen Take selfies

Common features in the Sony A7R III and Sony A7S III

 A7R III A7S III 
Focus manually Dial exact focusing
Display size3"3"Same display size
Display resolution1440k1440kIdentical display resolution
Touch friendly display Easily navigate

Sony A7R III vs Sony A7S III Physical Comparison

For those who are looking to carry around your camera, you have to factor in its weight and size. The Sony A7R III provides physical dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs).

Contrast the Sony A7R III and Sony A7S III in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ dependant on the lens you are working with at that time. Here is a front view dimensions comparison of the A7R III versus the A7S III.

Sony A7R III vs Sony A7S III size comparison

Using size and weight, the portability grade of the A7R III and A7S III is 63 and 61 respectively.

Sony A7R III vs Sony A7S III top view buttons comparison

Sony A7R III vs Sony A7S III Sensor Comparison

Often, it's difficult to picture the difference in sensor sizes purely by looking through specs. The pic below will help offer you a far better sense of the sensor sizes in the A7R III and A7S III.

All in all, the two cameras feature the identical sensor size but different resolution. You can expect to see the Sony A7R III to result in more detail due to its extra 30 Megapixels. Greater resolution can also make it easier to crop pics way more aggressively. The more aged A7R III will be behind in sensor technology.

Sony A7R III vs Sony A7S III sensor size comparison

Sony A7R III vs Sony A7S III Screen and ViewFinder

Sony A7R III vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R III Portrait photography information
Sony A7S III Portrait photography information
88
manual focus
fantastic megapixels (42 megapixels)
large sensor size (Full frame)
has face detection focus
exports RAW formats
72
has manual focus
sensor size is large (Full frame)
supports face detect focus
saves RAW formats
low resolution (12 megapixels)
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Street Comparison

Sony A7R III Street photography features
Sony A7S III Street photography features
80
tilting screen
image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
has focus by touch
weather proof
great ISO range (32,000)
76
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
saves RAW formats
has focus by touch
environment proofing
good ISO range (102,400)
World's smallest camera makes it into Guinness Book of Records

Sports Comparison

Sony A7R III Sports photography info
Sony A7S III Sports photography info
90
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based 5-axis)
fantastic megapixels (42MP)
large sensor size (Full frame)
has tracking autofocus
weather proof
better than average battery power (650 CIPA)
has phase detect auto focus
77
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports tracking focus
environment proofing
better than average battery (600 shots)
has phase detect auto focus
low resolution (12 megapixels)
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Travel Comparison

Travel photography with Sony A7R III
Travel photography with Sony A7S III
74
better than average battery power (650 CIPA)
weather proof
has bluetooth
has focus by touch
fantastic megapixels (42 megapixels)
doesn't have a selfie friendly display
71
better than average battery (600 per charge)
environment proofing
connects via bluetooth
has focus by touch
selfie friendly screen
low resolution (12 megapixels)
Last day to get your files as Canon Irisa shuts down

Landscape Comparison

Landscape photography with Sony A7R III
Landscape photography with Sony A7S III
88
manual focus
switch lenses (Sony E mount)
screen is a good size (3 inches)
image stabilization (Sensor based 5-axis)
fantastic megapixels (42 megapixels)
large sensor size (Full frame)
no low pass filter
great ISO range (32,000)
exports RAW formats
weather proof
better than average battery power (650 CIPA)
2 card slots
78
has manual focus
switch lenses (Sony E mount)
nice screen size (3 inch)
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
good ISO range (102,400)
saves RAW formats
environment proofing
better than average battery (600 per charge)
has dual storage slots
low resolution (12 megapixels)
400 Megapixel mode coming to Fujifilm GFX 100

Vlogging Comparison

Sony A7R III Vlogging details
Sony A7S III Vlogging details
37
touch screen
image stabilization (Sensor based 5-axis)
has face detection focus
video res high (3840 x 2160 resolution)
has external mic support
doesn't have a selfie friendly display
77
selfie friendly screen
touch screen
has image stabilization (Sensor based 5-axis)
supports face detect focus
video resolution high (3840 x 2160 pixels)
has microphone jack
Photographer fined '$200,000' for failing to deliver photos

Sony A7R III vs Sony A7S III Specifications

Detailed spec comparison table for Sony A7R III and Sony A7S III
 Sony Alpha A7R IIISony Alpha A7S III
General Information
Brand Name Sony Sony
Model type Sony Alpha A7R III Sony Alpha A7S III
Type Pro Mirrorless Pro Mirrorless
Launched 2017-10-25 2020-07-21
Body design SLR-style mirrorless SLR-style mirrorless
Sensor Information
Processor Bionz X Bionz XR
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.6 x 23.8mm
Sensor area 861.6mm² 847.3mm²
Sensor resolution 42 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest resolution 7952 x 5304 4240 x 2832
Highest native ISO 32000 102400
Highest boosted ISO 102400 409600
Min native ISO 100 80
RAW photos
Min boosted ISO 50 50
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 425 759
Lens
Lens support Sony E Sony E
Available lenses 121 121
Focal length multiplier 1 1
Screen
Display type Tilting Fully articulated
Display sizing 3" 3"
Resolution of display 1,440k dot 1,440k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 3,686k dot 9,440k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.91x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/8000s
Continuous shooting speed 10.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in 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
External flash
AEB
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 3840x2160 3840x2160
Video data format MPEG-4, AVCHD, XAVC S MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone input
Headphone input
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 657 gr (1.45 lb) 699 gr (1.54 lb)
Physical dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around rating 100 85
DXO Color Depth rating 26.0 23.6
DXO Dynamic range rating 14.7 13.3
DXO Low light rating 3523 2993
Other
Battery life 650 pictures 600 pictures
Form of battery Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Storage media Two SD/SDHC/SDXC slots (UHS-II support on one) Dual SD/CFexpress Type A slots
Storage slots 2 2
Retail cost $2,800 $3,499