Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Fujifilm - X100VI | Sony - α1 II |
|---|---|---|
| Weight | 521 g | 743 g |
| AF points | 425 | 759 |
| Megapixels | 40 MP | 50 MP |
| Sensor size | APS-C | Full Frame |
| Max video | 6K | 8K |
Between the X100VI and α1 II, the X100VI comes out ahead in weight, while the α1 II wins on af points / megapixels. Overall, the X100VI scores 72.3 and the α1 II scores 79.6 on our Mars Score.
Which should you buy?
The α1 II edges ahead on the Mars Score (72.3 vs 79.6), but the 7.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the X100VI if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight. The single most decisive one: Weight — 222.00 g less. 521 vs 743.
Pick the α1 II if you care most about af points / megapixels. Its strongest claims are af points, megapixels, sensor size, among others. The single most decisive one: AF points — 78.59% more. 759 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: the α1 II is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Fujifilm - X100VI or Sony - α1 II?
Sony - α1 II leads the current Mars Score by 7.3 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 - X100VI if…
Fujifilm - X100VI has the measurable edge on weight g.
Choose Sony - α1 II if…
Sony - α1 II has the measurable edge on af points, megapixels, sensor size.
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 - X100VI wins
- ▲Weight — 222.00 g less. 521 vs 743.
Why Sony - α1 II wins
- ▲AF points — 78.59% more. 759 vs 425.
- ▲Megapixels — 25.00% more. 50 MP vs 40 MP.
- ▲Sensor size: Full Frame (vs APS-C).
- ▲Max video: 8K (vs 6K).
Spec comparison
Sensor
| Spec | Fujifilm - X100VI | Sony - α1 II |
|---|---|---|
| Sensor sizeⓘ | APS-C | Full Framelead |
| Megapixels | 40 MP | 50 MPlead |
| Max ISO | 12800 | 102400lead |
Video
| Spec | Fujifilm - X100VI | Sony - α1 II |
|---|---|---|
| Max video | 6K | 8Klead |
| RAW video | false | truelead |
| Log profileⓘ | true | true |
Autofocus
| Spec | Fujifilm - X100VI | Sony - α1 II |
|---|---|---|
| AF pointsⓘ | 425 | 759lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Fujifilm - X100VI | Sony - α1 II |
|---|---|---|
| Weight | 521 glead | 743 g |
| Weather sealedⓘ | false | truelead |
| Dual card slotsⓘ | false | truelead |