Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Fujifilm - X100VI | Panasonic - Lumix S5 II |
|---|---|---|
| Weight | 521 g | 740 g |
| AF points | 425 | 779 |
| Megapixels | 40 MP | 24 MP |
| Sensor size | APS-C | Full Frame |
Between the X100VI and Lumix S5 II, the X100VI comes out ahead in weight / megapixels, while the Lumix S5 II wins on af points / sensor size. Overall, the X100VI scores 72.3 and the Lumix S5 II scores 74.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (72.3 vs 74.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
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, megapixels. The single most decisive one: Weight — 219.00 g less. 521 vs 740.
Pick the Lumix S5 II if you care most about af points / sensor size. Its strongest claims are af points, sensor size. The single most decisive one: AF points — 83.29% more. 779 vs 425.
Both ship with comparable max video, 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 - X100VI or Panasonic - Lumix S5 II?
Panasonic - Lumix S5 II leads the current Mars Score by 2.1 points.The more useful decision is the trade-off behind that result: compare megapixels, sensor size, weight against the way you will actually use the product.
Choose Fujifilm - X100VI if…
Fujifilm - X100VI has the measurable edge on weight g, megapixels.
Choose Panasonic - Lumix S5 II if…
Panasonic - Lumix S5 II has the measurable edge on af points, 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 — 219.00 g less. 521 vs 740.
- ▲Megapixels — 66.67% more. 40 MP vs 24 MP.
Why Panasonic - Lumix S5 II wins
- ▲AF points — 83.29% more. 779 vs 425.
- ▲Sensor size: Full Frame (vs APS-C).
Spec comparison
Sensor
| Spec | Fujifilm - X100VI | Panasonic - Lumix S5 II |
|---|---|---|
| Sensor sizeⓘ | APS-C | Full Framelead |
| Megapixels | 40 MPlead | 24 MP |
| Max ISO | 12800 | 51200lead |
Video
| Spec | Fujifilm - X100VI | Panasonic - Lumix S5 II |
|---|---|---|
| Max video | 6K | 6K |
| RAW video | false | false |
| Log profileⓘ | true | true |
Autofocus
| Spec | Fujifilm - X100VI | Panasonic - Lumix S5 II |
|---|---|---|
| AF pointsⓘ | 425 | 779lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Fujifilm - X100VI | Panasonic - Lumix S5 II |
|---|---|---|
| Weight | 521 glead | 740 g |
| Weather sealedⓘ | false | truelead |
| Dual card slotsⓘ | false | truelead |