Decision tools · Compare

A1 vs A7R IV

Quick take: The A7R IV has the highest resolution at 61MP; the A7R IV is the most affordable.

16 specs side by side·14 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.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

A1 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

A7R IV — Landscape, Studio, Commercial: 61MP in a mirrorless body — the resolution benchmark.

Who should buy what
A1 (2021)
is the right camera for you if…
  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything
A7R IV (2019)
is the right camera for you if…
  • Landscape photographers who print large
  • Studio shooters needing maximum detail
Full specificationsthe better value in each row is highlighted
Specification A1Sony · 2021A7R IVSony · 2019
Price £4,199£2,199Best
Sensor 50.1MP Full-Frame Stacked BSI CMOS Exmor RSFull-frame BSI Exmor R CMOS 35mm
Resolution 50.1MP61.0MPBest
Video 8K/30p, 4K/120p, 1080p/240p4K 30fps
Autofocus Real-time Tracking, AI subject recognition — 759 phase-detect points567-point phase-detect, real-time tracking
Stabilisation IBIS — up to 5.5 stops5-axis IBIS, 5.5 stops
Burst Rate 30fps electronic with full AF/AEBest10fps
Battery Life ~430 shots (CIPA)670 shots (CIPA)Best
Weight 737g (with battery and card)665g (body only)Best
Dimensions 128.9 × 96.9 × 80.8mm128.9 × 96.4 × 77.5mm
Weather Sealed YesYes
Viewfinder EVF, 9.44M dots, 0.90× magnification, 240fpsEVF 0.78× 5.76M-dot
Screen 3.0" fully tilting touchscreen3.0" tilting touchscreen, 1.44M-dot
Mount Sony FE mount (full-frame E-mount)Sony E-Mount
Memory Cards Dual CFexpress Type A / SD UHS-IIDual SD UHS-II slots
Connectivity USB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMIWi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2

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
A1
A7R IV
Portrait
8.2/10
8.1/10
Street
6.1/10
6.2/10
Travel
6.0/10
6.4/10
Wedding & Events
7.9/10
7.8/10
Filmmaking
7.8/10
6.4/10
Documentary
7.6/10
6.9/10
Sports & Action
8.8/10
7.4/10
Landscape
7.6/10
7.9/10
Wildlife
8.7/10
7.7/10
Casual
4.8/10
4.8/10
Food
7.4/10
7.4/10
Macro
7.3/10
6.5/10
Architecture
7.9/10
8.1/10
Astrophotography
6.8/10
6.9/10

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 →

Next
More comparisons with A1
Camera family history