Upgrade Guide

Sony Sony RX100 VII→Sony A7 III

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

You own

Sony

Sony RX100 VII

£1099

2019

→

Upgrade to

Sony

A7 III

£1699 (+£600)

2018

✅

Worthwhile

Clear improvements over the Sony RX100 VII. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the A7 III

Suitability by genre

Full spec comparison

Spec	Sony RX100 VII	A7 III
Price	£1,099	£1,699
Released	2019	2018	↓
Sensor	20.1MP 1-inch Exmor RS BSI CMOS (stacked)	24.2MP Full-Frame Exmor R BSI CMOS
Resolution	20MP	24MP	↑
Video	4K/30p HLG, FHD/960fps super slow-motion	4K/30p (6K oversampled), 1080p/120p slow-motion
Autofocus	357-point phase-detect + 425 contrast, Eye AF, tracking	Phase-detect, 693 points, real-time Eye AF & animal AF
Stabilisation	3-stop Optical SteadyShot	5-axis IBIS, 5 stops
Burst Rate	20fps AF/AE tracking (90fps short burst)	10fps with AF/AE tracking	↓
Battery Life	~260 shots (CIPA)	~710 shots (CIPA)	↑
Weight	302g with battery and card	565g (body, battery, card)	↓
Weather Sealed	No	Yes	↑
Viewfinder	Pop-up EVF, 2.36M dots, 0.59× magnification	EVF, 2.36M dots, 0.78× magnification
Screen	3.0" tilting touchscreen	3.0" tilting touchscreen, 921k dots
Mount	Fixed Zeiss Vario-Sonnar 24-200mm f/2.8-4.5	Sony E-mount
Memory Cards	Single SD UHS-I slot	Dual SD (UHS-II slot 1, UHS-I slot 2)

Compare side-by-side

See Sony RX100 VII and A7 III next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the A7 III against your specific genres — not just specs.

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