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Quick take: The A6100 has the highest resolution at 24MP; the A6100 is the most affordable; only the D7500 is weather sealed.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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D7500 — Sports, Travel & Dslr Shooters: The D500's BSI sensor in a compact, weather-sealed body — excellent high-ISO performance and DSLR reliability at a great price.
A6100 — Beginner, Family, Travel: Best autofocus in its class for the price.
| Specification | D7500Nikon · 2017 | A6100Sony · 2019 |
|---|---|---|
| Price | £899 | £649Best |
| Sensor | 20.9MP APS-C BSI CMOS (D500 sensor) | APS-C Exmor CMOS |
| Resolution | 20.9MP | 24.2MPBest |
| Video | 4K/30p (slight crop), FHD/60p | 4K 30fps |
| Autofocus | Multi-CAM 3500FX II, 51 points (15 cross-type) | 425-point phase-detect, real-time tracking |
| Stabilisation | No stabilisation | No stabilisation |
| Burst Rate | 8fps mechanical | 11fpsBest |
| Battery Life | ~950 shots (CIPA with OVF)Best | 420 shots (CIPA) |
| Weight | 640g (body only) | 396g (body only)Best |
| Dimensions | 135.5 × 104.0 × 72.5mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.94× magnification | EVF 0.39" 1.44M-dot |
| Screen | 3.2" tilting touchscreen | 3.0" tilting touchscreen, 921k-dot |
| Mount | Nikon F-mount (DX) | Sony E-Mount |
| Memory Cards | Single SD UHS-II slot | SD UHS-I / Memory Stick |
| Connectivity | USB Micro-B, Bluetooth, Wi-Fi | 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 →