Upgrade Guide

Sony A6400→Sony A7C II

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

You own

Sony

A6400

£749

2019

→

Upgrade to

Sony

A7C II

£1,799 (+£1,050)

2023

✅

Worthwhile

Clear improvements over the A6400. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7C II

Suitability by genre

Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.

Full spec comparison

Spec	A6400	A7C II
Price	£749	£1,799
Released	2019	2023	↑
Sensor	24.2MP APS-C Exmor CMOS BSI	33MP Full-frame Exmor R BSI CMOS
Resolution	24MP	33MP	↑
Video	4K/30p (6K oversampled, no crop), 1080p/120p slow-motion	4K/60p oversampled, S-Log3, 10-bit internal
Autofocus	Phase-detect, 425 points, real-time Eye AF & animal AF	759-point phase-detect, AI subject recognition
Stabilisation	No stabilisation	5-axis IBIS, 7.0 stops
Burst Rate	11fps mechanical, 8fps with AF tracking	10fps mechanical, 30fps electronic	↓
Battery Life	~410 shots (CIPA)	~530 shots (CIPA)	↑
Weight	403g (with battery and card)	514g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 2.36M dots, 0.70× magnification	EVF, 2.36M dots, 0.70× magnification
Screen	3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots	3.0" vari-angle touchscreen
Mount	Sony E-mount	Sony FE (full-frame E-mount)
Memory Cards	Single SD UHS-I	Single SD UHS-II slot

Compare side-by-side

See A6400 and A7C II next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A7C II against your specific genres — not just specs.

Other upgrades from the A6400

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