Upgrade Guide

Sony A7→Sony A6400

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

You own

Sony

£299

2013

→

Upgrade to

Sony

A6400

£899 (+£600)

2019

✅

Worthwhile

Clear improvements over the A7. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A6400

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A7	A6400
Price	£299	£899
Released	2013	2019	↑
Sensor	24.3MP Full-Frame CMOS	24.2MP APS-C Exmor CMOS BSI
Resolution	24MP	24MP	↓
Video	1080p/60p	4K/30p (6K oversampled, no crop), 1080p/120p slow-motion
Autofocus	117 phase-detect + 25 contrast-detect AF points	Phase-detect, 425 points, real-time Eye AF & animal AF
Stabilisation	None	None (no IBIS)
Burst Rate	5fps	11fps mechanical, 8fps with AF tracking	↑
Battery Life	~340 shots (CIPA)	~410 shots (CIPA)	↑
Weight	474g (with battery and card)	403g (body, battery, card)	↑
Weather Sealed	No	No
Viewfinder	EVF, OLED 2.36M dots, 0.71× magnification	EVF, 2.36M dots, 0.70× magnification
Screen	3.0" fixed LCD, 1.23M dots (no tilt, no touch)	3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots
Mount	Sony FE (full-frame E-mount)	Sony E-mount
Memory Cards	Single SD UHS-I slot	Single SD UHS-I

Compare side-by-side

See A7 and A6400 next to each other with our interactive comparison tool.

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Other upgrades from the A7

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Camera family history