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Camera Comparison Sony

Sony a7 IV vs Sony a7 III

Short AnswerThe Sony a7 IV and Sony a7 III split the spec sheet evenly, so the right pick depends on what you shoot.

By Jennifer K. Telfer · Updated · 1 Min Read

Camera A

Sony a7 IV

Launch Price
$2,499
Announced
2021-10
MirrorlessFull Frame32.7 MPSony E
VS
Camera B

Sony a7 III

Launch Price
$1,999
Announced
2018-02
MirrorlessFull Frame24.2 MPSony E

Winner By Photographic Discipline

ResolutionSony a7 IV
Continuous ShootingTie
Image StabilizationSony a7 IV
Autofocus PointsSony a7 IV
Battery LifeSony a7 III
WeightSony a7 III
Launch PriceSony a7 III

Key Technical Performance Deltas

Resolution (MP)
A
32.7
B
24.2
Electronic Burst (fps)
A
10
B
10
Stabilization (Stops)
A
5.5
B
5
Battery (Shots)
A
520
B
710
Weight (g, Lower Is Lighter)
A
658
B
650
AF Points
A
759
B
693

Form Factor

Sony a7 IV
131.3 × 96.4 × 79.8 mm
Sony a7 III
126.9 × 95.6 × 73.7 mm

Reasons To Choose Each

Choose Sony a7 IV If…

  • Higher resolution (32.7 MP vs 24.2 MP)
  • Higher image stabilization (5.5 stops vs 5 stops)
  • Higher autofocus points (759 vs 693 )

Choose Sony a7 III If…

  • Higher battery life (710 shots vs 520 shots)
  • Lighter body (650 g vs 658 g)
  • Costs less at launch ($1999 vs $2499)

How To Choose Between Them

Compare the winners above against your own priorities. A lead in one category only matters if you use it.

Comprehensive Specification Table

SpecSony a7 IVSony a7 III
Sensor
FormatFull FrameFull Frame
Megapixels32.7 MP24.2 MP
Sensor TypeBSI CMOSBSI CMOS
Max Native ISO5120051200
Stabilization5.5 Stops5 Stops
Autofocus
AF Points759693
Low-Light AF-4 EV-3 EV
Speed
Mechanical Burst10 fps10 fps
Electronic Burst10 fps10 fps
Fastest Mechanical Shutter1/80001/8000
Viewfinder & Screen
ViewfinderEVFEVF
EVF Resolution3.69M2.36M
LCD Size3"3"
LCD TypeVari-angleTilting
Video
Best Video4K 60p4K 30p
Internal Color10-bit 4:2:28-bit 4:2:0
Log ProfileS-Log3S-Log3
Body
Weight658 g650 g
Card Slots22
Battery (CIPA)520 Shots710 Shots
Weather SealedYesYes
Launch Price24991999

Amber marks the stronger value. Figures are manufacturer specifications.