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Quick take: The EOS 6D Mark II has the highest resolution at 26MP; the A5100 is the most affordable; only the EOS 6D Mark II is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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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.
| Specification | EOS 6D Mark IICanon · 2017 | A5100Sony · 2014 |
|---|---|---|
| Price | £437 | £200Best |
| Sensor | 26.2MP full-frame CMOS | 24.3MP APS-C Exmor CMOS |
| Resolution | 26.2MPBest | 24.3MP |
| Video | Full HD 1080p/60 (4K time-lapse only) | 1080p/60p |
| Autofocus | 45-point all cross-type phase-detect via viewfinder; Dual Pixel CMOS AF with face tracking in live view | Hybrid phase-detect / contrast-detect AF, face detection |
| Stabilisation | No IBIS (lens-based stabilisation only) | No stabilisation |
| Burst Rate | 6.5fpsBest | 6fps |
| Battery Life | ~1200 shots (CIPA)Best | ~400 shots (CIPA) |
| Weight | 765g (with battery) | 224g (body only)Best |
| Dimensions | 144 × 110.5 × 74.8mm | 109.6 × 62.8 × 35.7mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Optical pentaprism, 98% coverage, 0.71x | No viewfinder |
| Screen | 3.0" vari-angle touchscreen, 1.04M dots | 3.0" flip-up touchscreen, 921k dots |
| Mount | Canon EF | Sony E-mount |
| Memory Cards | Single SD slot | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB 2.0, mini HDMI, Wi-Fi, NFC, Bluetooth, GPS, 3.5mm mic jack, N3 remote | Micro USB, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →