Decision tools · Compare

OM-D E-M1 vs A1

Quick take: The A1 has the highest resolution at 50MP; the OM-D E-M1 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.

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
Full specificationsthe better value in each row is highlighted
Specification OM-D E-M1Olympus · 2013A1Sony · 2021
Price £179Best£4,199
Sensor 16.3MP Micro Four Thirds CMOS50.1MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 16.3MP50.1MPBest
Video Full HD 1080p/308K/30p, 4K/120p, 1080p/240p
Autofocus Dual Fast AF: 37-point on-sensor phase detect + 81-area contrast AF, face and eye detectionReal-time Tracking, AI subject recognition — 759 phase-detect points
Stabilisation 5-axis in-body stabilisation, 4 stops (CIPA)IBIS — up to 5.5 stops
Burst Rate 10fps (6.5fps with continuous AF)30fps electronic with full AF/AEBest
Battery Life ~350 shots (CIPA)~430 shots (CIPA)Best
Weight 497g (with battery)Best737g (with battery and card)
Dimensions 130.4 × 93.5 × 63.1mm128.9 × 96.9 × 80.8mm
Weather Sealed YesYes
Viewfinder OLED EVF, 2.36M dots, 1.48xEVF, 9.44M dots, 0.90× magnification, 240fps
Screen 3.0" tilting touchscreen, 1.04M dots3.0" fully tilting touchscreen
Mount Micro Four ThirdsSony FE mount (full-frame E-mount)
Memory Cards Single SD slotDual CFexpress Type A / SD UHS-II
Connectivity USB 2.0 multi-connector, micro HDMI, Wi-Fi, 3.5mm mic jack, RM-UC1 remoteUSB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI

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
OM-D E-M1
A1
Portrait
5.8/10
8.2/10
Street
6.0/10
6.1/10
Travel
5.8/10
5.9/10
Wedding & Events
4.8/10
7.9/10
Documentary
5.1/10
7.6/10
Sports & Action
6.0/10
8.8/10
Landscape
4.6/10
7.6/10
Wildlife
6.7/10
8.7/10
Casual
4.3/10
4.8/10
Food
5.6/10
7.4/10
Macro
6.9/10
7.3/10
Architecture
4.3/10
7.9/10
Astrophotography
5.4/10
6.8/10
Filmmaking
—
7.8/10

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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