EOS-1D X Mark IIIvs Leica SL3
Canon
EOS-1D X Mark III (2020)
Starting from £3500 new
Best for Professional Sports, Wildlife & Press Photography
View EOS-1D X Mark III
Leica
Leica SL3 (2024)
Starting from £6499 new
Best for Professional & luxury hybrid shooters
View Leica SL3
GearScore™ Verdict — Which should you buy?
Professional Sports, Wildlife & Press Photography — EOS-1D X Mark III (2020): Canon's DSLR masterpiece — 20fps live view, 5.5K RAW, 191 cross-type AF points, and dual CFexpress. Almost certainly the finest optical viewfinder camera ever made.
Professional & Luxury Hybrid Shooters — Leica SL3 (2024): Leica's most capable mirrorless — 60MP, 30fps burst, 8K ProRes, and 7.5-stop IBIS with L-mount's growing lens ecosystem.
Who should buy what
EOS-1D X Mark III (2020)
- Sports and wildlife photographers with a Canon EF lens collection
- Professionals who prefer the optical viewfinder experience
- Press photographers who need 20fps, weather sealing, and Ethernet
- Canon historians who want to mark the end of the EOS-1D DSLR era
Leica SL3 (2024)
- Leica photographers who want autofocus full-frame in the L-mount system
- SL2 owners upgrading to 60MP and improved autofocus performance
- Professionals who want Leica build quality with L-mount lens versatility
- Photographers who want to share lenses across Leica, Sigma, and Lumix bodies
Quick take: The leica sl3 has the highest resolution at 60mp; the eos-1d x mark iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS-1D X Mark III (2020) | Leica SL3 (2024) |
|---|---|---|
| Price | £3,500 | £6,499 |
| Sensor | 20.1MP full-frame CMOS | 60MP full-frame BSI CMOS |
| Resolution | 20.1MP | 60.0MP |
| Video | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | 8K/30p, 4K/60p, Apple ProRes |
| Autofocus | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | Phase-detect AF with subject/face/eye detection |
| Stabilisation | — | 7.5-stop IBIS |
| Burst Rate | 16fps mechanical, 20fps live view | 30fps electronic |
| Battery Life | ~2850 shots (CIPA) | 410 shots (CIPA) |
| Weight | 1250g (body only) | 875g body only |
| Dimensions | 158 × 167.6 × 82.6mm | 146.0 × 104.0 × 42.0mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OVF 0.76× magnification, 100% coverage | 0.78" OLED EVF, 5.76M dots |
| Screen | 3.2" fully articulating touchscreen, 4.15M dots | 3.2" fixed touchscreen |
| Mount | Canon EF | Leica L-mount |
| Memory Cards | Dual CFexpress Type B slots | Dual SD UHS-II |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet | USB-C 3.1, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | EOS-1D X Mark III | Leica SL3 |
|---|---|---|
| Sports & Action | ||
| Wildlife | — | |
| Wedding & Events | ||
| Portrait | ||
| Vlogging & Video | ||
| Street | — | |
| Landscape | ||
| Travel | — |
More comparisons with EOS-1D X Mark III
Camera family history