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A5100 vs Sony FX2

Quick take: The Sony FX2 has the highest resolution at 33MP; the A5100 is the most affordable; only the Sony FX2 is weather sealed.

16 specs side by side·16 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?

A5100 — Casual & Travel: The A5100 is one of the smallest APS-C mirrorless cameras ever made. Its 24MP sensor, phase-detect AF, and selfie-friendly flip screen pack remarkable capability into a shirt-pocket-sized body. No EVF or hot shoe limits it for serious use, but as a compact travel camera or beginner's first mirrorless, it punches well above its price on the used market.

Who should buy what
A5100 (2014)
is the right camera for you if…
  • Beginners stepping up from a smartphone
  • Compact travel photographers
  • Casual vloggers who want APS-C quality
Full specificationsthe better value in each row is highlighted
Specification A5100Sony · 2014Sony FX2Sony · 2025
Price £200Best£2,499
Sensor 24.3MP APS-C Exmor CMOS33MP full-frame Exmor R CMOS
Resolution 24.3MP33.0MPBest
Video 1080p/60p7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI
Autofocus Hybrid phase-detect / contrast-detect AF, face detectionHybrid phase-detect AF with subject tracking and auto-framing
Stabilisation No stabilisationDynamic Active IBIS
Burst Rate 6fps10fpsBest
Battery Life ~400 shots (CIPA)600 shots (CIPA); ~100 min continuous videoBest
Weight 224g (body only)Best679g (body only)
Dimensions 109.6 × 62.8 × 35.7mm—
Weather Sealed Not weather sealedYesBest
Viewfinder No viewfinderOptional clip-on EVF, 3.68M dots
Screen 3.0" flip-up touchscreen, 921k dotsFully articulating touchscreen
Mount Sony E-mountSony E-mount
Memory Cards Single SD / MemoryStick PRO Duo slotSlot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II
Connectivity Micro USB, Wi-Fi, NFCUSB-C, full-size HDMI, Wi-Fi, Bluetooth

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
A5100
Sony FX2
Portrait
5.4/10
7.0/10
Street
7.0/10
5.3/10
Travel
6.7/10
6.4/10
Wedding & Events
3.5/10
6.8/10
Vlogging & Video
5.0/10
6.0/10
Documentary
4.1/10
7.7/10
Sports & Action
4.7/10
6.4/10
Landscape
5.0/10
5.7/10
Wildlife
5.5/10
6.6/10
Casual
5.1/10
5.1/10
Food
5.9/10
7.5/10
Macro
5.2/10
5.4/10
Architecture
5.2/10
6.8/10
Astrophotography
4.7/10
6.3/10
Fun & simple
4.5/10
—
Filmmaking
—
8.0/10

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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