A7 IIIvs A7R IV
VS
Which should you buy?
All-Round Photography & Video — A7 III (2018): Still one of the best all-round cameras money can buy — particularly strong used. The A7 III proved that full-frame doesn't have to mean compromises, and nothing at this price point has meaningfully beaten it.
Landscape, Studio, Commercial — A7R IV (2019): 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
A7 III (2018)
- Enthusiast photographers upgrading from APS-C for the first time
- Working photographers who need reliable AF and weather sealing
- Anyone who shoots in low light regularly
- Hybrid shooters needing both stills and video performance
A7R IV (2019)
- Landscape photographers who print large
- Studio shooters needing maximum detail
Quick take: The a7r iv has the highest resolution at 61mp; the a7 iii is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | A7 III (2018) | A7R IV (2019) |
|---|---|---|
| Price | £1,699 | £2,199 |
| Sensor | 24.2MP Full-Frame Exmor R BSI CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 24.2MP | 61.0MP |
| Video | 4K/30p (6K oversampled), 1080p/120p slow-motion | 4K 30fps |
| Autofocus | Phase-detect, 693 points, real-time Eye AF & animal AF | 567-point phase-detect, real-time tracking |
| Stabilisation | 5-axis IBIS, 5 stops | 5-axis IBIS, 5.5 stops |
| Burst Rate | 10fps with AF/AE tracking | 10fps |
| Battery Life | ~710 shots (CIPA) | 670 shots (CIPA) |
| Weight | 565g (body, battery, card) | 665g (body only) |
| Dimensions | 126.9 × 95.6 × 73.7mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.78× magnification | EVF 0.78× 5.76M-dot |
| Screen | 3.0" tilting touchscreen, 921k dots | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Sony E-mount | Sony E-Mount |
| Memory Cards | Dual SD (UHS-II slot 1, UHS-I slot 2) | 2× SD UHS-II / CFexpress Type A |
| Connectivity | USB-C (USB 3.2), Wi-Fi, Bluetooth, NFC | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Suitability by genre
| Genre | A7 III | A7R IV |
|---|---|---|
| Portrait | — | |
| Travel | — | |
| Street | — | |
| Wildlife | — | |
| Video | — |
More comparisons with A7 III
Camera family history