Upgrade Guide

Sony A7R III→Sony A7R VI

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

You own

Sony

A7R III

£1799

2017

→

Upgrade to

Sony

A7R VI

£4399 (+£2,600)

2025

✅

Worthwhile

Clear improvements over the A7R 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	A7R III	A7R VI
Price	£1,799	£4,399
Released	2017	2025	↑
Sensor	42.4MP full-frame BSI Exmor R CMOS	61MP full-frame stacked back-illuminated CMOS
Resolution	42MP	61MP	↑
Video	4K/30p (full-frame readout), 1080p/120p	8K 30fps, 4K 120fps oversampled
Autofocus	399 phase-detect + 425 contrast AF points — real-time Eye AF	AI processing unit — subject recognition for people, animals, birds and vehicles across the frame
Stabilisation	5-axis IBIS — 5.5 stops	In-body 5-axis IS, up to 8.5 stops
Burst Rate	10fps with AF/AE tracking	8fps mechanical / 7fps electronic with full AF/AE tracking	↓
Battery Life	~650 shots (CIPA)	~530 shots (CIPA, NP-FZ100)	↓
Weight	650g body only	723g (body with battery and card)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 3.69M dots, 0.78× magnification	EVF, 9.44M-dot, up to 120fps
Screen	3.0" touchscreen, tilting	3.2-inch 4-axis multi-angle touchscreen, 3.69M-dot
Mount	Sony FE mount (full-frame E-mount)	Sony FE (full-frame E-mount)
Memory Cards	Dual SD slots (one UHS-II)	Dual slots — CFexpress Type A / SD (UHS-II)

Compare side-by-side

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

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Other upgrades from the A7R III

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Camera family history