EOS-1D X Mark IIIvs Q3 43
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
Q3 43 (2024)
Starting from £6995 new
Best for Documentary, portrait & reportage photography
View Q3 43
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.
Documentary, Portrait & Reportage Photography — Q3 43 (2024): The Q3 with the most human lens — 43mm, 60MP, and Leica rendering at its most natural and versatile.
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
Q3 43 (2024)
- Portrait and documentary photographers who find 28mm too wide and 50mm too tight
- Q3 owners who prefer a natural 43mm perspective over the iconic 28mm Summilux
- Reportage photographers who want the discreet Q3 form factor with a more intimate focal length
- Leica system users who want a fixed-lens body that excels across multiple genres
Quick take: The q3 43 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) | Q3 43 (2024) |
|---|---|---|
| Price | £3,500 | £6,995 |
| 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 10-bit — L-Log |
| Autofocus | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | Phase-detect AF with face and eye detection |
| Stabilisation | — | 8-stop IBIS (combined with OIS) |
| Burst Rate | 16fps mechanical, 20fps live view | 15fps electronic |
| Battery Life | ~2850 shots (CIPA) | ~350 shots (CIPA) |
| Weight | 1250g (body only) | 743g body only |
| Dimensions | 158 × 167.6 × 82.6mm | 130.0 × 80.3 × 91.1mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OVF 0.76× magnification, 100% coverage | EVF 0.79× 5.76M-dot OLED |
| Screen | 3.2" fully articulating touchscreen, 4.15M dots | 3.0" fully articulating touchscreen, 1.84M dots |
| Mount | Canon EF | Fixed Summicron-M 43mm f/2 ASPH (43mm — closest to human field of view) |
| Memory Cards | Dual CFexpress Type B slots | Single UHS-II SD slot |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet | USB-C 3.2 Gen 2, Wi-Fi 5GHz, Bluetooth 5.0 |
Suitability by genre
| Genre | EOS-1D X Mark III | Q3 43 |
|---|---|---|
| Sports & Action | — | |
| Wildlife | ||
| Wedding & Events | — | |
| Portrait | ||
| Vlogging & Video | — | |
| Street | ||
| Landscape | ||
| Travel | — | |
| Sports | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
More comparisons with EOS-1D X Mark III
Camera family history