Canon EOS 90Dvs A7R III
Canon
Canon EOS 90D (2019)
Starting from £849 new
Best for Sports, wildlife & DSLR enthusiasts
View Canon EOS 90D
VS
Sony
A7R III (2017)
Starting from £1799 new
Best for Landscape, studio & commercial photography
View A7R III
GearScore™ Verdict — Which should you buy?
Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.
Landscape, Studio & Commercial Photography — A7R III (2017): The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.
Who should buy what
Canon EOS 90D (2019)
- DSLR photographers who aren't ready to switch to mirrorless
- Sports and wildlife shooters who want optical viewfinder tracking
- Canon APS-C DSLR users upgrading to 32.5MP and faster burst
- Photographers who prefer the battery life and handling of a traditional DSLR
A7R III (2017)
- Landscape and studio photographers who need 42MP resolution at a used-price discount vs A7R IV
- Canon/Nikon DSLR professionals considering a mirrorless switch at a lower investment
- Commercial and product photographers who want full-frame resolution with IBIS for handheld work
- Portrait photographers who want the sharpest possible full-frame files for large print work
Quick take: The a7r iii has the highest resolution at 42mp; the canon eos 90d is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS 90D (2019) | A7R III (2017) |
|---|---|---|
| Price | £849 | £1,799 |
| Sensor | 32.5MP APS-C CMOS (Dual Pixel AF) | 42.4MP full-frame BSI Exmor R CMOS |
| Resolution | 32.5MP | 42.4MP |
| Video | 4K/30p (1.6× crop), FHD/120p | 4K/30p (full-frame readout), 1080p/120p |
| Autofocus | Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) | 399 phase-detect + 425 contrast AF points — real-time Eye AF |
| Stabilisation | None (no IBIS) | 5-axis IBIS — 5.5 stops |
| Burst Rate | 10fps mechanical | 10fps with AF/AE tracking |
| Battery Life | ~1300 shots (CIPA with OVF) | ~650 shots (CIPA) |
| Weight | 701g body only | 650g body only |
| Dimensions | 140.7 × 104.8 × 76.8mm | 126.9 × 95.6 × 73.7mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | Optical pentaprism, 100% coverage, 0.95× magnification | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" touchscreen, tilting |
| Mount | Canon EF / EF-S | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II slots | Dual SD slots (one UHS-II) |
| Connectivity | USB 2.0, Bluetooth, Wi-Fi | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack |
Suitability by genre
| Genre | Canon EOS 90D | A7R III |
|---|---|---|
| Sports & Action | — | |
| Wildlife | — | |
| Portrait | ||
| Landscape | ||
| Travel | — | |
| Vlogging & Video | ||
| Wedding | — | |
| Street | — | |
| Sports | — |
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