Based on our overall comparison score, OM System OM-1 Mark II rates higher at 73/100 versus 53/100 for Sony A7 IV — a 20-point lead. OM System OM-1 Mark II is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
OM System OM-1 Mark II vs Sony A7 IV
Verdict
Our overall take, at a glance
Key takeaways
- OM System OM-1 Mark II leads Sony A7 IV overall by 16 points (77 vs 61 out of 100).
- OM System OM-1 Mark II stands out on Autofocus AF Points: 1,053, Max Video Resolution: 4096 × 2160 px, Performance Burst Speed (electronic): 120.
OM System OM-1 Mark II leads overall
OM System OM-1 Mark II
77
Sony A7 IV
61
Why it stands out
- Autofocus AF Points: 1,053
- Max Video Resolution: 4096 × 2160 px
- Performance Burst Speed (electronic): 120
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
OM System OM-1 Mark II
The OM System OM-1 Mark II is an incremental update to the brand's flagship Micro Four Thirds mirrorless camera, tailored for wildlife, action, and outdoor photographers. Powered by the TruePic X image processor and a 20.4-megapixel stacked BSI Live MOS sensor, this model maintains a highly compact form factor while introducing key hardware and system refinements. It focuses on expanding memory capacity and enhancing computational photography features over its predecessor.
Best for Wildlife and action photography requiring fast burst rates and deep buffers to cBest for Landscape photography in unpredictable weather without the burden of physical ne
Pros
- Doubled buffer memory allows for much longer high-speed continuous shooting sequences.
- Advanced built-in computational options, including Live ND and a new Graduated ND filter simulation.
- Highly durable construction with IP53-certified weather sealing for reliable outdoor use.
- Upgraded autofocus tracking capabilities and improved in-body image stabilization.
Cons
- Highly incremental update over the original model, with few physical hardware redesigns.
- Sensor resolution remains limited to 20.4 megapixels.
Sony A7 IV
The Sony A7 IV is a full-frame mirrorless interchangeable-lens camera designed for hybrid creators and multi-genre photographers. It features an upgraded 33-megapixel sensor, making it a highly versatile tool for capturing everything from landscapes to fast-moving wildlife. This model serves as a modern successor in Sony's popular lineup, bridging the gap between hobbyist and professional needs.
Best for Photographers upgrading from the A7 III looking for a significant resolution booBest for Mixed-use shooting including portraits, travel, landscapes, and wildlife
Pros
- Increased resolution to 33 megapixels for finer image detail
- Versatile performance well-suited for portraits, landscapes, wildlife, and sports
- Substantial feature and usability improvements over the older A7 III
Cons
- Higher launch price of $2,600 compared to the $1,900 of its predecessor
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-1 Mark II
Sony A7 IV
Physical Comparison
Weigh them up, then compare real dimensions in 3D
OM System OM-1 Mark IISony A7 IV
Sony A7 IV is 59 g (10%) heavier than OM System OM-1 Mark II.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about OM System OM-1 Mark II vs Sony A7 IV comparison
OM System OM-1 Mark II and Sony A7 IV 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 73/100 for OM System OM-1 Mark II and 53/100 for Sony A7 IV.
At launch, OM System OM-1 Mark II was the more affordable option ($2398) versus Sony A7 IV ($2499). Weigh that against the overall scores (73/100 vs 53/100) 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.
If you want the higher-rated cameras option overall, OM System OM-1 Mark II (73/100) edges out Sony A7 IV (53/100). But if Sony A7 IV is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.