Decision tools · Compare

D90 vs A6100

Quick take: The A6100 has the highest resolution at 24MP; the D90 is the most affordable.

16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.

Who should buy what
A6100 (2019)
is the right camera for you if…
  • First-time mirrorless buyers who want solid AF
  • Families stepping up from a smartphone
Full specificationsthe better value in each row is highlighted
Specification D90Nikon · 2008A6100Sony · 2019
Price £25Best£649
Sensor 12.3MP APS-C CMOSAPS-C Exmor CMOS
Resolution 12.3MP24.2MPBest
Video 720p/244K 30fps
Autofocus 11-point phase-detect (1 cross-type) via viewfinder; contrast AF with face priority in live view425-point phase-detect, real-time tracking
Stabilisation No IBIS (lens-based stabilisation only)No stabilisation
Burst Rate 4.5fps11fpsBest
Battery Life ~850 shots (CIPA)Best420 shots (CIPA)
Weight 700g (with battery)396g (body only)Best
Dimensions 132 × 103 × 77mm119.9 × 66.9 × 59.4mm
Weather Sealed Not weather sealedNot weather sealed
Viewfinder Optical pentaprism, 96% coverage, 0.94xEVF 0.39" 1.44M-dot
Screen 3.0" fixed LCD, 920k dots3.0" tilting touchscreen, 921k-dot
Mount Nikon F-mount (DX)Sony E-Mount
Memory Cards Single SD slotSD UHS-I / Memory Stick
Connectivity USB 2.0, mini HDMI, MC-DC2 remoteWi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
D90
A6100
Portrait
5.2/10
6.7/10
Street
5.0/10
7.3/10
Travel
4.5/10
6.2/10
Wedding & Events
4.5/10
5.1/10
Documentary
3.3/10
5.2/10
Sports & Action
4.8/10
6.5/10
Landscape
3.7/10
4.9/10
Wildlife
5.3/10
6.9/10
Casual
3.0/10
6.4/10
Food
3.6/10
6.2/10
Macro
3.3/10
5.2/10
Architecture
3.8/10
5.5/10
Astrophotography
5.0/10
6.0/10
Vlogging & Video
—
5.9/10
Filmmaking
—
4.9/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

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