Upgrade Guide

Sony A6700→Sony A7 III

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

You own

Sony

A6700

£999

2023

→

Upgrade to

Sony

A7 III

£1699 (+£700)

2018

✅

Worthwhile

Clear improvements over the A6700. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7 III

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	A6700	A7 III
Price	£999	£1,699
Released	2023	2018	↓
Sensor	26MP APS-C Exmor R BSI CMOS	24.2MP Full-Frame Exmor R BSI CMOS
Resolution	26MP	24MP	↓
Video	4K/120p, 4K/60p oversampled, S-Log3, 10-bit	4K/30p (6K oversampled), 1080p/120p slow-motion
Autofocus	759-point phase-detect, AI subject recognition (human/animal/bird/vehicle)	Phase-detect, 693 points, real-time Eye AF & animal AF
Stabilisation	5-axis IBIS, 5.0 stops	5-axis IBIS, 5 stops
Burst Rate	11fps mechanical, 30fps electronic	10fps with AF/AE tracking	↓
Battery Life	~570 shots (CIPA)	~710 shots (CIPA)	↑
Weight	493g body only	565g (body, battery, card)	↓
Weather Sealed	No	Yes	↑
Viewfinder	EVF, 2.36M dots	EVF, 2.36M dots, 0.78× magnification
Screen	3.0" vari-angle touchscreen	3.0" tilting touchscreen, 921k dots
Mount	Sony E-mount	Sony E-mount
Memory Cards	Single SD UHS-II / CFexpress Type A slot	Dual SD (UHS-II slot 1, UHS-I slot 2)

Compare side-by-side

See A6700 and A7 III next to each other with our interactive comparison tool.

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Other upgrades from the A6700

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Camera family history