Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Fujifilm - GFX 100 II | Nikon - Z 8 |
|---|---|---|
| Megapixels | 102 MP | 45 MP |
| Weight | 1030 g | 910 g |
| AF points | 425 | 493 |
| Sensor size | Medium Format | Full Frame |
Between the GFX 100 II and Z 8, the GFX 100 II comes out ahead in megapixels / sensor size, while the Z 8 wins on weight / af points. Overall, the GFX 100 II scores 81.7 and the Z 8 scores 75.1 on our Mars Score.
Which should you buy?
The GFX 100 II edges ahead on the Mars Score (81.7 vs 75.1), but the 6.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the GFX 100 II if you care most about megapixels / sensor size. The biggest gaps in its favor are megapixels, sensor size. The single most decisive one: Megapixels — 126.67% more. 102 MP vs 45 MP.
Pick the Z 8 if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, af points. The single most decisive one: Weight — 120.00 g less. 910 vs 1030.
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: the GFX 100 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 - GFX 100 II or Nikon - Z 8?
Fujifilm - GFX 100 II leads the current Mars Score by 6.6 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 - GFX 100 II if…
Fujifilm - GFX 100 II has the measurable edge on megapixels, sensor size.
Choose Nikon - Z 8 if…
Nikon - Z 8 has the measurable edge on weight g, 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 - GFX 100 II wins
- ▲Megapixels — 126.67% more. 102 MP vs 45 MP.
- ▲Sensor size: Medium Format (vs Full Frame).
Why Nikon - Z 8 wins
- ▲Weight — 120.00 g less. 910 vs 1030.
- ▲AF points — 16.00% more. 493 vs 425.
Spec comparison
Sensor
| Spec | Fujifilm - GFX 100 II | Nikon - Z 8 |
|---|---|---|
| Sensor sizeⓘ | Medium Formatlead | Full Frame |
| Megapixels | 102 MPlead | 45 MP |
| Max ISO | 12800 | 102400lead |
Video
| Spec | Fujifilm - GFX 100 II | Nikon - Z 8 |
|---|---|---|
| Max video | 8K | 8K |
| RAW video | true | true |
| Log profileⓘ | true | true |
Autofocus
| Spec | Fujifilm - GFX 100 II | Nikon - Z 8 |
|---|---|---|
| AF pointsⓘ | 425 | 493lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Fujifilm - GFX 100 II | Nikon - Z 8 |
|---|---|---|
| Weight | 1030 g | 910 glead |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |