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Quick take: The EOS R5 has the highest resolution at 45MP; the A6100 is the most affordable; only the EOS R5 is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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EOS R5 — Professional Hybrid Shooters, Portrait & Wildlife: A landmark camera — 8K video and 45MP in one body set the standard for what mirrorless could be.
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
| Specification | EOS R5Canon · 2020 | A6100Sony · 2019 |
|---|---|---|
| Price | £2,449 | £649Best |
| Sensor | 45MP Full-Frame CMOS | APS-C Exmor CMOS |
| Resolution | 45.0MPBest | 24.2MP |
| Video | 8K RAW/30p, 4K/120p, 1080p/120p | 4K 30fps |
| Autofocus | Dual Pixel CMOS AF II — 1053 AF zones, subject/animal detection | 425-point phase-detect, real-time tracking |
| Stabilisation | IBIS — up to 8 stops combined with IS lenses | No stabilisation |
| Burst Rate | 12fps mechanical, 20fps electronicBest | 11fps |
| Battery Life | ~320 shots (CIPA) | 420 shots (CIPA)Best |
| Weight | 650g (body only) | 396g (body only)Best |
| Dimensions | 138.5 × 97.5 × 88mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | EVF, 5.76M dots, 0.76× magnification | EVF 0.39" 1.44M-dot |
| Screen | 3.15" fully articulating touchscreen | 3.0" tilting touchscreen, 921k-dot |
| Mount | Canon RF mount | Sony E-Mount |
| Memory Cards | CFexpress Type B + SD UHS-II | SD UHS-I / Memory Stick |
| Connectivity | USB-C, Wi-Fi, Bluetooth, HDMI | Wi-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.
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 →