Upgrade Guide

Sony A7R VI→Sony A5100

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

You own

Sony

A7R VI

£4399

2025

→

Upgrade to

Sony

A5100

£200 (-£4,199)

2014

❌

Skip it

The A5100 offers little measurable spec improvement over the A7R VI. Spend the money on glass instead.

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A7R VI	A5100
Price	£4,399	£200
Released	2025	2014	↓
Sensor	61MP full-frame stacked back-illuminated CMOS	24.3MP APS-C Exmor CMOS
Resolution	61MP	24MP	↓
Video	8K 30fps, 4K 120fps oversampled	1080p/60p
Autofocus	AI processing unit — subject recognition for people, animals, birds and vehicles across the frame	Hybrid phase-detect / contrast-detect AF, face detection
Stabilisation	In-body 5-axis IS, up to 8.5 stops	None
Burst Rate	8fps mechanical / 7fps electronic with full AF/AE tracking	6fps	↓
Battery Life	~530 shots (CIPA, NP-FZ100)	~400 shots (CIPA)	↓
Weight	723g (body with battery and card)	224g (body only)	↑
Weather Sealed	Yes	No	↓
Viewfinder	EVF, 9.44M-dot, up to 120fps	None
Screen	3.2-inch 4-axis multi-angle touchscreen, 3.69M-dot	3.0" flip-up touchscreen, 921k dots
Mount	Sony FE (full-frame E-mount)	Sony E-mount
Memory Cards	Dual slots — CFexpress Type A / SD (UHS-II)	Single SD / MemoryStick PRO Duo slot

Compare side-by-side

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