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  1. Home
  2. /Cameras
  3. /OM System OM-3 vs Sony A7R VI

OM System OM-3 vs Sony A7R VI

Verdict

Our overall take, at a glance

Key takeaways

  • Sony A7R VI leads OM System OM-3 overall by 15 points (68 vs 53 out of 100).
  • Sony A7R VI stands out on Sensor Size: Full Frame, Sensor Megapixels: 66.8 MP, Max Video Resolution: 7680 × 4320 px.
  • Best value: OM System OM-3 (from $1,999) — the strongest score-per-dollar of the two.
Sony A7R VI leads overall
Sony A7R VI
68
OM System OM-3
53
Why it stands out
  • Sensor Size: Full Frame
  • Sensor Megapixels: 66.8 MP
  • Max Video Resolution: 7680 × 4320 px

Strengths Profile

Bigger shape = stronger. Whoever reaches further wins that category.

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding.

OM System OM-3

AI analysis isn't ready yet

We haven't generated an in-depth write-up for OM System OM-3 yet. The specs, scores and strengths profile above still cover it — check back later for the AI summary.

Sony A7R VI

AI analysis isn't ready yet

We haven't generated an in-depth write-up for Sony A7R VI yet. The specs, scores and strengths profile above still cover it — check back later for the AI summary.

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

OM System OM-3

Check Price on Amazon

Sony A7R VI

Check Price on Amazon

Physical Comparison

Weigh them up, then compare real dimensions in 3D

496 g713 g
OM System OM-3Sony A7R VI

Sony A7R VI is 217 g (44%) heavier than OM System OM-3.

Detailed Specifications

The full spec sheet, side by side

Sensor

Feature
OM System OM-3
Sony A7R VI
Sensor Type
Stacked BSI Live MOS
Stacked CMOS
Sensor Size
Megapixels
20.4 MP
66.8 MP
Image Stabilization (IBIS)
Yes
Yes
ISO Min
80
100
ISO Max
102,400
102,400

Autofocus

Feature
OM System OM-3
Sony A7R VI
AF Points
1,053
759
AF System
TTL Phase Detection AF (cross-type) with Contrast Detection
N/A

Video

Feature
OM System OM-3
Sony A7R VI
Max Video Resolution
4096 × 2160 px
7680 × 4320 px
Max Video Frame Rate
60 Hz
120 Hz
Video Bit Depth
10
10
Log Profile
Yes
Yes

Performance

Feature
OM System OM-3
Sony A7R VI
Burst Speed (mechanical)
6
10
Burst Speed (electronic)
120
30

Display & Viewfinder

Feature
OM System OM-3
Sony A7R VI
LCD Size
3 in
3.2 in
LCD Resolution
1,620,000
2,100,000
Viewfinder Resolution
2,360,000
9,440,000
Touchscreen
Yes
Yes
Articulating Screen
Yes
Yes

Connectivity & Storage

Feature
OM System OM-3
Sony A7R VI
Lens Mount
Micro Four Thirds
Sony E
Dual Card Slots
No
Yes
Weather Sealing
Yes
Yes
Wi-Fi
Yes
Yes
Bluetooth
Yes
Yes

Physical & Battery

Feature
OM System OM-3
Sony A7R VI
Weight
496 g
713 g
Battery Life (CIPA shots)
590
600
Release Date
March 1, 2025
May 13, 2026
Dimensions
13.93 × 8.89 × 4.58 cm
9.69 × 13.27 × 8.29 cm

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about OM System OM-3 vs Sony A7R VI comparison

They are closely matched: OM System OM-3 scores 70/100 and Sony A7R VI scores 69/100 in our overall comparison — within 1 point. Neither is a clear winner overall, so the decision comes down to the specific features and price that matter most to you.
OM System OM-3 and Sony A7R VI are compared side by side above across every spec in the cameras category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 70/100 for OM System OM-3 and 69/100 for Sony A7R VI.
At launch, OM System OM-3 was the more affordable option ($1999) versus Sony A7R VI ($4500). Weigh that against the overall scores (70/100 vs 69/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
It's close — OM System OM-3 (70/100) and Sony A7R VI (69/100) score almost the same. Pick based on price and the individual specs that matter most to you; the comparison above shows where each one pulls ahead.
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