Upgrade Guide

Sony A7S III→Sony A7R VI

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

Sony

A7S III

£2999

2020

→

Upgrade to

Sony

A7R VI

£4399 (+£1,400)

2025

✅

Worthwhile

Clear improvements over the A7S III. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7R VI

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A7S III	A7R VI
Price	£2,999	£4,399
Released	2020	2025	↑
Sensor	12.1MP Full-Frame BSI CMOS (12-bit, back-illuminated)	61MP full-frame stacked back-illuminated CMOS
Resolution	12MP	61MP	↑
Video	4K/120p 10-bit, 4K/60p 10-bit S-Cinetone/S-Log3, 1080p/240p	8K 30fps, 4K 120fps oversampled
Autofocus	Phase-detect, 759 points, real-time Eye AF (human & animal), subject recognition	AI processing unit — subject recognition for people, animals, birds and vehicles across the frame
Stabilisation	5.5-stop IBIS	In-body 5-axis IS, up to 8.5 stops
Burst Rate	10fps mechanical	8fps mechanical / 7fps electronic with full AF/AE tracking	↓
Battery Life	~600 shots (CIPA) / ~70min continuous 4K recording	~530 shots (CIPA, NP-FZ100)	↓
Weight	699g (body, battery, card)	723g (body with battery and card)	↓
Weather Sealed	Yes	Yes
Viewfinder	OLED EVF, 9.44M dots, 0.90× magnification — best EVF Sony has made	EVF, 9.44M-dot, up to 120fps
Screen	3.0" vari-angle touchscreen, 1.44M dots	3.2-inch 4-axis multi-angle touchscreen, 3.69M-dot
Mount	Sony E-mount	Sony FE (full-frame E-mount)
Memory Cards	Dual CFexpress Type A / SD UHS-II (both slots)	Dual slots — CFexpress Type A / SD (UHS-II)

Compare side-by-side

See A7S III and A7R VI next to each other with our interactive comparison tool.

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Other upgrades from the A7S III

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Camera family history