Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Fujifilm - X-T5 | OM System - OM-1 Mark II |
|---|---|---|
| AF points | 425 | 1053 |
| Megapixels | 40 MP | 20 MP |
| Weight | 557 g | 599 g |
| Sensor size | APS-C | Four Thirds |
| Max video | 6K | 4K60 |
Between the X-T5 and OM-1 Mark II, the X-T5 comes out ahead in megapixels / weight, while the OM-1 Mark II wins on af points. Overall, the X-T5 scores 72 and the OM-1 Mark II scores 67.4 on our Mars Score.
Which should you buy?
The X-T5 edges ahead on the Mars Score (72 vs 67.4), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the X-T5 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are megapixels, weight, sensor size, among others. The single most decisive one: Megapixels — 100.00% more. 40 MP vs 20 MP.
Pick the OM-1 Mark II if you care most about af points. Its strongest claims are af points. The single most decisive one: AF points — 147.76% more. 1053 vs 425.
Both ship with comparable in-body stabilization, log profile, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Fujifilm - X-T5 or OM System - OM-1 Mark II?
Fujifilm - X-T5 leads the current Mars Score by 4.6 points.The more useful decision is the trade-off behind that result: compare megapixels, sensor size, max video, weight against the way you will actually use the product.
Choose Fujifilm - X-T5 if…
Fujifilm - X-T5 has the measurable edge on megapixels, weight g, sensor size.
Choose OM System - OM-1 Mark II if…
OM System - OM-1 Mark II has the measurable edge on af points.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Fujifilm - X-T5 wins
- ▲Megapixels — 100.00% more. 40 MP vs 20 MP.
- ▲Weight — 42.00 g less. 557 vs 599.
- ▲Sensor size: APS-C (vs Four Thirds).
- ▲Max video: 6K (vs 4K60).
Why OM System - OM-1 Mark II wins
- ▲AF points — 147.76% more. 1053 vs 425.
Spec comparison
Sensor
| Spec | Fujifilm - X-T5 | OM System - OM-1 Mark II |
|---|---|---|
| Sensor sizeⓘ | APS-Clead | Four Thirds |
| Megapixels | 40 MPlead | 20 MP |
| Max ISO | 51200 | 102400lead |
Video
| Spec | Fujifilm - X-T5 | OM System - OM-1 Mark II |
|---|---|---|
| Max video | 6Klead | 4K60 |
| RAW video | false | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Fujifilm - X-T5 | OM System - OM-1 Mark II |
|---|---|---|
| AF pointsⓘ | 425 | 1053lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Fujifilm - X-T5 | OM System - OM-1 Mark II |
|---|---|---|
| Weight | 557 glead | 599 g |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |