EOS Rvs A7 IV
Canon
EOS R (2018)
Starting from £799 new
Best for Entry to full-frame mirrorless & RF lens exploration
View EOS R
VS
GearScore™ Verdict — Which should you buy?
Entry To Full-Frame Mirrorless & Rf Lens Exploration — EOS R (2018): The RF mount's founding camera — 30MP, Dual Pixel CMOS AF, and the proof-of-concept that launched Canon's mirrorless era.
Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.
Who should buy what
EOS R (2018)
- Canon DSLR users wanting to enter the RF ecosystem at the lowest full-frame price
- EF lens collectors who want an affordable RF body to use with the EF-RF adapter
- Photographers stepping up from APS-C who want full-frame quality on a budget
- RF system fans who want a second body without full EOS R6 pricing
A7 IV (2021)
- Working photographers who want a reliable full-frame all-rounder
- Portrait, wedding, and event photographers needing 33MP and fast AF
- A7 III owners ready for a major upgrade in resolution, AF, and video
- Hybrid shooters who want 4K/60p and 33MP stills in one dependable body
Quick take: The a7 iv has the highest resolution at 33mp; the eos r is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R (2018) | A7 IV (2021) |
|---|---|---|
| Price | £799 | £2,299 |
| Sensor | 30.3MP full-frame CMOS | 33MP Full-frame BSI Exmor R CMOS |
| Resolution | 30.3MP | 33.0MP |
| Video | 4K/30p (1.7× crop), 1080p/60p | 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone |
| Autofocus | Dual Pixel CMOS AF — 5655 AF areas, Eye AF | 759-point phase-detect, AI subject recognition |
| Stabilisation | None | 5-axis IBIS, 5.5 stops |
| Burst Rate | 8fps continuous (5fps with AF/AE) | 10fps mechanical, 30fps electronic |
| Battery Life | ~350 shots (CIPA) | ~580 shots (CIPA) |
| Weight | 660g body only | 659g body only |
| Dimensions | 135.8 × 98.3 × 84.4mm | 131.3 × 96.4 × 79.8mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.71× magnification | EVF, 3.69M dots, 0.78× magnification |
| Screen | 3.0" touchscreen, tilting | 3.0" vari-angle touchscreen |
| Mount | Canon RF mount (full-frame) | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-II slot | Dual slots: CFexpress Type A + SD UHS-II |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack | USB-C (3.2 Gen 2), Bluetooth, Wi-Fi |
Suitability by genre
| Genre | EOS R | A7 IV |
|---|---|---|
| Portrait | — | |
| Landscape | ||
| Travel | — | |
| Wedding | — | |
| Vlogging & Video | ||
| Sports | — | |
| Studio Portraits | — | |
| Outdoor Portraits | — | |
| Wedding & Events | — | |
| Sports & Action | — |
More comparisons with EOS R
Camera family history