EOS-1D X Mark IIIvs A6700
Canon
EOS-1D X Mark III (2020)
Starting from £3500 new
Best for Professional Sports, Wildlife & Press Photography
View EOS-1D X Mark III
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.
All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.
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
A6700 (2023)
- APS-C photographers who want the best Sony autofocus in a compact body
- Video shooters who need 4K/120p and subject tracking in a smaller package
- A6400 or A6600 owners ready for a significant AF and video upgrade
- Photographers who want near-A7 performance without the full-frame price
Quick take: The a6700 has the highest resolution at 26mp; the a6700 is the most affordable; only the eos-1d x mark iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS-1D X Mark III (2020) | A6700 (2023) |
|---|---|---|
| Price | £3,500 | £999 |
| Sensor | 20.1MP full-frame CMOS | 26MP APS-C Exmor R BSI CMOS |
| Resolution | 20.1MP | 26.0MP |
| Video | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | 4K/120p, 4K/60p oversampled, S-Log3, 10-bit |
| Autofocus | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) |
| Stabilisation | — | 5-axis IBIS, 5.0 stops |
| Burst Rate | 16fps mechanical, 20fps live view | 11fps mechanical, 30fps electronic |
| Battery Life | ~2850 shots (CIPA) | ~570 shots (CIPA) |
| Weight | 1250g (body only) | 493g body only |
| Dimensions | 158 × 167.6 × 82.6mm | 122.0 × 69.0 × 75.1mm |
| Weather Sealed | Yes | No |
| Viewfinder | OVF 0.76× magnification, 100% coverage | EVF, 2.36M dots |
| Screen | 3.2" fully articulating touchscreen, 4.15M dots | 3.0" vari-angle touchscreen |
| Mount | Canon EF | Sony E-mount |
| Memory Cards | Dual CFexpress Type B slots | Single SD UHS-II / CFexpress Type A slot |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet | USB-C (3.2), Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS-1D X Mark III | A6700 |
|---|---|---|
| Sports & Action | ||
| Wildlife | ||
| Wedding & Events | — | |
| Portrait | ||
| Vlogging & Video | ||
| Street | ||
| Landscape |
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Camera family history