Upgrade Guide

Fujifilm X-T3→Fujifilm GFX 100S

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

You own

Fujifilm

X-T3

£649

2018

→

Upgrade to

Fujifilm

GFX 100S

£3999 (+£3,350)

2021

✅

Worthwhile

Clear improvements over the X-T3. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the GFX 100S

Suitability by genre

Full spec comparison

Spec	X-T3	GFX 100S
Price	£649	£3,999
Released	2018	2021	↑
Sensor	APS-C X-Trans CMOS 4 BSI	102MP Medium Format BSI CMOS (43.8 × 32.9mm)
Resolution	26MP	102MP	↑
Video	4K 60fps 10-bit (internal)	4K/30p, FHD/120p
Autofocus	425-point phase-detect intelligent hybrid AF	Phase-detect hybrid AF, face/eye detection
Stabilisation	None	IBIS — up to 6 stops
Burst Rate	11fps mechanical, 20fps electronic	5fps	↓
Battery Life	390 shots (CIPA)	~460 shots (CIPA)	↑
Weight	539g (body only)	900g (with battery and card)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF 0.75× 3.69M-dot	EVF, 5.76M dots, 0.77× magnification
Screen	3.0" tilting touchscreen, 1.04M-dot	3.0" 3-direction tilting touchscreen
Mount	Fujifilm X-Mount	Fujifilm GFX (G-mount)
Memory Cards	2× SD UHS-II	Single CFexpress Type B / SD UHS-II combo slot

Compare side-by-side

See X-T3 and GFX 100S next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the GFX 100S against your specific genres — not just specs.

Other upgrades from the X-T3

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Camera family history