Upgrade Guide

Nikon D3100→Nikon D750

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

You own

Nikon

D3100

£35 used

2010

→

Upgrade to

Nikon

D750

£190 used (+£155)

2014

✅

Strong upgrade

The D750 improves across 5 key areas at a reasonable price gap. Most D3100 owners will notice the difference.

What's new in the D750

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	D3100	D750
Price	£35 used	£190 used
Released	2010	2014	↑
Sensor	14.2MP APS-C CMOS	24.3MP full-frame CMOS
Resolution	14MP	24MP	↑
Video	Full HD 1080p/24, 720p/30	Full HD 1080p/60
Autofocus	11-point phase-detect (1 cross-type) via viewfinder; contrast AF with face priority in live view	51-point phase-detect (15 cross-type, EV -3) via viewfinder; contrast AF with face priority in live view
Stabilisation	No IBIS (lens-based stabilisation only)	No IBIS (lens-based stabilisation only)
Burst Rate	3fps	6.5fps	↑
Battery Life	~550 shots (CIPA)	~1230 shots (CIPA)	↑
Weight	505g (with battery)	840g (with battery)	↓
Weather Sealed	Not weather sealed	Yes	↑
Viewfinder	Optical pentamirror, 95% coverage, 0.8x	Optical pentaprism, 100% coverage, 0.7x
Screen	3.0" fixed LCD, 230k dots	3.2" tilting LCD, 1.23M dots
Mount	Nikon F-mount (DX)	Nikon F mount
Memory Cards	Single SD slot	Dual SD slots

Compare side-by-side

See D3100 and D750 next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the D750 against your specific genres — not just specs.

Other upgrades from the D3100

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