Decision tools · Compare
A7R V vs FX3
Quick take: The A7R V has the highest resolution at 61MP; the FX3 is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
FX3 2021
Best for Professional video, documentary & cinematic filmmaking
£2999
new today at Wex Photo Video
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Verdictwhich should you buy?
A7R V — Landscape, Studio & Commercial: 61 megapixels and 8-stop IBIS in a weather-sealed body — the reference resolution camera for commercial and landscape professionals.
FX3 — Professional Video, Documentary & Cinematic Filmmaking: The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
A7R V (2022)
is the right camera for you if…
- Commercial and advertising photographers who need 61MP files
- Landscape photographers who want extraordinary detail in large prints
- A7R IV owners upgrading to AI-based autofocus and a better EVF
- Studio photographers who want the highest resolution Sony offers
FX3 (2021)
is the right camera for you if…
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Full specificationsthe better value in each row is highlighted
| Specification | A7R VSony · 2022 | FX3Sony · 2021 |
|---|---|---|
| Price | £2,999Best | £2,999Best |
| Sensor | 61MP full-frame BSI CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 61.0MPBest | 12.1MP |
| Video | 8K/25p, 4K/60p | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone |
| Autofocus | AI subject recognition AF, 693-point phase-detect | Real-time tracking with subject recognition (human, animal) |
| Stabilisation | 8-stop IBIS | 5-axis IBIS — 5 stops |
| Burst Rate | 10fps mechanical / 7fps electronic | 10fps mechanical, 10fps electronic |
| Battery Life | 530 shots (CIPA) | ~640 shots (CIPA)Best |
| Weight | 723g (body only) | 715g (body only)Best |
| Dimensions | 131.3 × 96.4 × 82.4mm | 129.7 × 78.0 × 84.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.64" Quad-XGA OLED EVF, 9.44M dots | None — monitor/external EVF use only |
| Screen | 3.2" multi-angle touchscreen | 3.0" touchscreen, fully articulating |
| Mount | Sony FE (E-mount) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual CFexpress Type A / SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
A7R V
FX3
Portrait
8.9/10
5.7/10
Street
6.5/10
4.3/10
Travel
6.5/10
5.6/10
Wedding & Events
8.3/10
6.0/10
Vlogging & Video
6.4/10
6.2/10
Filmmaking
7.7/10
9.1/10
Documentary
7.9/10
8.0/10
Sports & Action
7.7/10
5.5/10
Landscape
8.1/10
4.7/10
Wildlife
8.2/10
5.8/10
Casual
5.3/10
4.9/10
Food
8.4/10
6.7/10
Macro
8.1/10
5.5/10
Architecture
8.6/10
5.2/10
Astrophotography
7.0/10
6.7/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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