Sony Alpha A7R IV vs Sony Alpha A7R III comparison
Head-to-head camera performance analysis
Sony Alpha A7R IV
sony
$2699
SLR-style mirrorless
See Sony Alpha A7R IV full specs
Compare with Sony Alpha A7R IIISony Alpha A7R III
sony
$1694.95
SLR-style mirrorless
See Sony Alpha A7R III full specs
Compare with Sony Alpha A7C Mark IICompare with Sony Alpha A7 IVSony Alpha A7R IV
79
127 out of 160
Sony Alpha A7R III wins
Sony Alpha A7R III
80
128 out of 160
Quick Spec Comparison
| Specification | Sony Alpha A7R IV | Sony Alpha A7R III |
|---|---|---|
| Sensor Size | Full frame (35.8 x 23.8 mm) | Full frame (35.9 x 24 mm) |
| ISO Range | 100 - 32000 | 100 - 32000 |
| Storage Slots | 2 | 2 |
| Weather Sealing | Yes | Yes |
| Lens Mount | Sony E | Sony E |
Sony Alpha A7R IV vs Sony Alpha A7R III
Sensor Size
Sony Alpha A7R IV: 8/10Sony Alpha A7R III: 8/10
8
8
Full frameFull frame
Storage Slots
Sony Alpha A7R IV: 10/10Sony Alpha A7R III: 10/10
10
10
22
Image Quality (DXO Overall)
Sony Alpha A7R IV: 10/10Sony Alpha A7R III: 10/10
10
10
99100
Resolution
Sony Alpha A7R IV: 10/10Sony Alpha A7R III: 9/10
10
9
6142
Sony Alpha A7R IV leads by 1 point
Low Light Performance
Sony Alpha A7R IV: 8/10Sony Alpha A7R III: 9/10
8
9
ISO 3344ISO 3523
Sony Alpha A7R III leads by 1 point
Max ISO Score
Sony Alpha A7R IV: 7/10Sony Alpha A7R III: 7/10
7
7
ISO 32000ISO 32000
Dynamic Range
Sony Alpha A7R IV: 10/10Sony Alpha A7R III: 10/10
10
10
14.8 EV14.7 EV
Autofocus System
Sony Alpha A7R IV: 10/10Sony Alpha A7R III: 10/10
10
10
567 points425 points
Video Capabilities
Sony Alpha A7R IV: 8/10Sony Alpha A7R III: 8/10
8
8
3840 x 21603840 x 2160
Burst Speed
Sony Alpha A7R IV: 7/10Sony Alpha A7R III: 7/10
7
7
1010
Battery Life
Sony Alpha A7R IV: 8/10Sony Alpha A7R III: 8/10
8
8
670650
Viewfinder Quality
Sony Alpha A7R IV: 5/10Sony Alpha A7R III: 5/10
5
5
5,760k dots3,686k dots
Portability
Sony Alpha A7R IV: 9/10Sony Alpha A7R III: 9/10
9
9
665657
Lens Ecosystem
Sony Alpha A7R IV: 8/10Sony Alpha A7R III: 8/10
8
8
284 lenses284 lenses
Value for Money
Sony Alpha A7R IV: 7/10Sony Alpha A7R III: 8/10
7
8
$2699$1694.95
Sony Alpha A7R III leads by 1 point
Durability
Sony Alpha A7R IV: 2/10Sony Alpha A7R III: 2/10
2
2
22
Comparison Summary
Equal performance
Tied Categories
13