Sony A7R III with Sony A7S III Comparison

Sony A7R III and Sony A7S III Main Features

  • October, 2017
  • July, 2020
  • 42 MP Full frame BSI-CMOS Sensor
  • 12 MP Full frame BSI-CMOS Sensor
  • 100 - 32000 ISO
  • 80 - 102400 ISO
  • 5-axis Sensor-shift Image Stabilization
  • 5-axis Sensor-shift Image Stabilization
  • 3" Tilting Screen
  • 3" Fully articulated Screen
  • Electronic Viewfinder
  • Electronic Viewfinder
  • 3686k dot Electronic viewfinder
  • 9440k dot Electronic viewfinder
  • 10.0 fps continuous shooting
  • 10.0 fps continuous shooting
  • 4K 3840 x 2160 video resolution
  • 4K 3840 x 2160 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 127 x 96 x 74 mm, 657g.
  • 129 x 97 x 81 mm, 699g.
  • Price Category:
  • Price Category:

Sony A7R III Scores


Imaging score
87
Features score
88
Value for money score
99
Portability score
77
Overall score
92

Sony A7S III Scores


Imaging score
71
Features score
100
Value for money score
92
Portability score
75
Overall score
90

Sony A7S III with Sony Alpha A7R III Overview


Let's compare Alpha A7R III with A7S III. Both cameras produced Sony. These models are included in the Pro Mirrorless cameras. Sony A7R III was released in 2017, and Sony A7S III in 2020. A7S III is newer, which is a plus. Alpha A7R III 3 years older.
The sensor resolution of Alpha A7R III is greater than that of A7S III. The difference of 30 MP is quite a lot. The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
At the first camera (Alpha A7R III), the minimum ISO value is lower, which gives more opportunities for shooting in daylight. A larger maximum ISO allows you to take good pictures in the dark. At Sony A7S III, the maximum ISO is greater by 70400. Both cameras have 5-axis Sensor-shift image stabilization. Both cameras feature a 3-inch tilting screen.
Both cameras have a electronic viewfinder. Viewfinder A7S III has a higher resolution of 9440k dots, Alpha A7R III has a resolution of 3686k dots. Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A7R III has 10.0 fps continuous shooting. Sony Alpha A7R III has 10.0 fps continuous shooting.

General Alpha A7R III A7S III
Brand Sony Sony
Model Alpha A7R III A7S III
Announced October, 2017 July, 2020
Body Type SLR-style mirrorless SLR-style mirrorless
Lens
Lens Mount Sony E Sony E
Manual Focus
Focal Lens Multiplier 1 1x
Number of Lenses 116 146
Macro Focus Range n/a n/a
Screen
Screen Size 3" 3"
Screen Type Tilting Fully articulated
Screen Resolution 1440k pixels 1,440kk pixels
Touch Screen
Live View
Viewfinder
Viewfinder Electronic Electronic
Viewfinder Resolution 3686
Viewfinder Coverage 100% 100%%
Viewfinder Magnification 0.78 0.91
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 425 759
Number of Cross Focus Points 0 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/8000 sec 1/ sec
Continuous Shooting 10.0 fps 10.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash no built-in flash
Flash Modes Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync no built-in flash
External Flash
AE Bracketing
AE Bracketing Range ±5 EV ±±5 EV EV
WB Bracketing
Sensor
Sensor Size Full frame Full frame
Sensor Type BSI-CMOS BSI-CMOS
Sensor Dimensions 35.9 x 24 mm mm
Sensor Area 861.6 mm² 0.0 mm²
Sensor Resolution 42 MP 12 MP
Max Image Resolution 7952 x 5304 4240 x 2832
Max Native ISO 32000 102400
Min Native ISO 100 80
Max Boosted ISO 102400 409600
Min Boosted ISO 50 50
Video Features
4K
Max Video Resolution 3840 x 2160 3840 x 2160
Video Formats MPEG-4, AVCHD, XAVC S MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None None
Wireless Connectivity Built-In Built-In
Bluetooth
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
Battery
Battery Life 650 shots 600 shots
Battery Type Battery Pack Battery Pack
Battery Model NP-FZ100 NP-FZ100
Physical
Weight 657 g 699 g
Physical Dimensions 127 x 96 x 74 mm 129 x 97 x 81 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type Two SD/SDHC/SDXC slots (UHS-II support on one) Dual SD/CFexpress Type A slots
Storage Slots 2 2
Other Features
Self Timer
Selfie Friendly

Interesting Pro Mirrorless

Canon R6
Canon R6

20MP | Full frame CMOS | Canon RF mount

Panasonic Lumix DC-GH5S
Panasonic Lumix DC-GH5S

10MP | Four Thirds CMOS | Micro Four Thirds mount

Fujifilm X-H1
Fujifilm X-H1

24MP | APS-C CMOS | Fujifilm X mount

Sony Alpha A7 II
Sony Alpha A7 II

24MP | Full frame CMOS | Sony E (NEX) mount

Leica M-E Typ 220
Leica M-E Typ 220

18MP | Full frame CCD | Leica M mount

Olympus OM-D E-M1X
Olympus OM-D E-M1X

20MP | Four Thirds CMOS | Micro Four Thirds mount

Sony A7S III
Sony A7S III

12MP | Full frame BSI-CMOS | Sony E mount

Sony Alpha A7S II
Sony Alpha A7S II

12MP | Full frame CMOS | Sony E (NEX) mount

FujiFilm GFX 100S
FujiFilm GFX 100S

102MP | Medium format BSI-CMOS | Fujifilm G mount

Leica M-Monochrom
Leica M-Monochrom

18MP | Full frame CCD | Leica M mount