EOS-1D X Mark IIIvs Canon EOS 90Dvs EOS R100
Canon
EOS-1D X Mark III (2020)
Starting from £3500 new
Best for Professional Sports, Wildlife & Press Photography
View EOS-1D X Mark III
Canon
Canon EOS 90D (2019)
Starting from £849 new
Best for Sports, wildlife & DSLR enthusiasts
View Canon EOS 90D
Canon
EOS R100 (2023)
Starting from £529 new
Best for First camera / beginner photography
View EOS R100
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.
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.
First Camera / Beginner Photography — EOS R100 (2023): The R100 does the basics well at the lowest possible price point. Its main value is as a gateway into the Canon RF ecosystem — the lenses you buy now will work on any Canon body you upgrade to later. Modest ambitions, reliably met.
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
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
EOS R100 (2023)
- First-time camera buyers stepping up from a smartphone
- Students and hobbyists wanting an affordable starting point
- Anyone who wants to start investing in Canon RF glass on a budget
- Casual photographers who don't need advanced video or speed
Quick take: The canon eos 90d has the highest resolution at 32mp; the eos r100 is the most affordable; only the eos-1d x mark iii, canon eos 90d are weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS-1D X Mark III (2020) | Canon EOS 90D (2019) | EOS R100 (2023) |
|---|---|---|---|
| Price | £3,500 | £849 | £529 |
| Sensor | 20.1MP full-frame CMOS | 32.5MP APS-C CMOS (Dual Pixel AF) | 24.1MP APS-C CMOS |
| Resolution | 20.1MP | 32.5MP | 24.1MP |
| Video | 5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware) | 4K/30p (1.6× crop), FHD/120p | 4K/30p (slight crop), 1080p/60p |
| Autofocus | 191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View) | Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) | Dual Pixel CMOS AF, face detection, subject tracking |
| Stabilisation | — | None (no IBIS) | None (no IBIS) |
| Burst Rate | 16fps mechanical, 20fps live view | 10fps mechanical | 6.5fps mechanical |
| Battery Life | ~2850 shots (CIPA) | ~1300 shots (CIPA with OVF) | ~270 shots (CIPA) |
| Weight | 1250g (body only) | 701g body only | 356g (body, battery, card) |
| Dimensions | 158 × 167.6 × 82.6mm | 140.7 × 104.8 × 76.8mm | 116.3 × 85.5 × 68.8mm |
| Weather Sealed | Yes | Yes | No |
| Viewfinder | OVF 0.76× magnification, 100% coverage | Optical pentaprism, 100% coverage, 0.95× magnification | EVF, 2.36M dots, 0.59× magnification |
| Screen | 3.2" fully articulating touchscreen, 4.15M dots | 3.0" vari-angle touchscreen | 3.0" fixed touchscreen, 1.04M dots |
| Mount | Canon EF | Canon EF / EF-S | Canon RF-mount |
| Memory Cards | Dual CFexpress Type B slots | Dual SD UHS-II slots | Single SD UHS-II |
| Connectivity | Wi-Fi 5GHz, Bluetooth 4.2, USB-C 3.1 Gen 2, Ethernet | USB 2.0, Bluetooth, Wi-Fi | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | EOS-1D X Mark III | Canon EOS 90D | EOS R100 |
|---|---|---|---|
| Sports & Action | — | ||
| Wildlife | |||
| Wedding & Events | — | — | |
| Portrait | |||
| Vlogging & Video | — | ||
| Street | — | ||
| Landscape | — | ||
| Travel | — | ||
| Video | — | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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