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Sony Alpha A7 III vs Sony Alpha A7 IV comparison

Head-to-head camera performance analysis

Sony Alpha A7 III
78
109 out of 140
Sony Alpha A7 III wins
Sony Alpha A7 IV
76
107 out of 140

Quick Spec Comparison

SpecificationSony Alpha A7 IIISony Alpha A7 IV
Sensor SizeFull frame (35.8 x 23.8 mm)Full frame (35.8 x 23.8 mm)
ISO Range100 - 51200100 - 51200
Storage Slots22
Weather SealingYesYes
Lens MountSony ESony E

Sony Alpha A7 III vs Sony Alpha A7 IV

Image Quality (DXO Overall)

Sony Alpha A7 III: 10/10Sony Alpha A7 IV: 10/10
10
10
9697

Resolution

Sony Alpha A7 III: 6/10Sony Alpha A7 IV: 7/10
6
7
2433
Sony Alpha A7 IV leads by 1 point

Low Light Performance

Sony Alpha A7 III: 9/10Sony Alpha A7 IV: 8/10
9
8
ISO 3730ISO 3379
Sony Alpha A7 III leads by 1 point

Max ISO Score

Sony Alpha A7 III: 8/10Sony Alpha A7 IV: 8/10
8
8
ISO 51200ISO 51200

Dynamic Range

Sony Alpha A7 III: 10/10Sony Alpha A7 IV: 10/10
10
10
14.7 EV14.7 EV

Autofocus System

Sony Alpha A7 III: 10/10Sony Alpha A7 IV: 10/10
10
10
693 points759 points

Video Capabilities

Sony Alpha A7 III: 8/10Sony Alpha A7 IV: 8/10
8
8
3840 x 21603840 x 2160

Burst Speed

Sony Alpha A7 III: 7/10Sony Alpha A7 IV: 7/10
7
7
1010

Battery Life

Sony Alpha A7 III: 8/10Sony Alpha A7 IV: 8/10
8
8
610600

Viewfinder Quality

Sony Alpha A7 III: 5/10Sony Alpha A7 IV: 5/10
5
5
2,360k dots3,690k dots

Portability

Sony Alpha A7 III: 9/10Sony Alpha A7 IV: 9/10
9
9
650659

Lens Ecosystem

Sony Alpha A7 III: 8/10Sony Alpha A7 IV: 8/10
8
8
284 lenses284 lenses

Value for Money

Sony Alpha A7 III: 9/10Sony Alpha A7 IV: 7/10
9
7
$1298$2098
Sony Alpha A7 III leads by 2 points

Durability

Sony Alpha A7 III: 2/10Sony Alpha A7 IV: 2/10
2
2
22

Comparison Summary

Sony Alpha A7 III
Categories Won
2
Equal performance
Tied Categories
11
Sony Alpha A7 IV
Categories Won
1

Oficial sources