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 9 |
|---|---|---|
| Weight | 1030 g | 1340 g |
| Megapixels | 102 MP | 45 MP |
| AF points | 425 | 493 |
| Sensor size | Medium Format | Full Frame |
Between the GFX 100 II and Z 9, the GFX 100 II comes out ahead in weight / megapixels, while the Z 9 wins on af points. Overall, the GFX 100 II scores 81.7 and the Z 9 scores 71.2 on our Mars Score.
Which should you buy?
The GFX 100 II is the clear pick on raw spec strength, leading by 10.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the GFX 100 II 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, sensor size. The single most decisive one: Weight — 310.00 g less. 1030 vs 1340.
Pick the Z 9 if you care most about af points. Its strongest claims are af points. The single most decisive one: AF points — 16.00% more. 493 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: 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 9?
Fujifilm - GFX 100 II leads the current Mars Score by 10.5 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 weight g, megapixels, sensor size.
Choose Nikon - Z 9 if…
Nikon - Z 9 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 - GFX 100 II wins
- ▲Weight — 310.00 g less. 1030 vs 1340.
- ▲Megapixels — 126.67% more. 102 MP vs 45 MP.
- ▲Sensor size: Medium Format (vs Full Frame).
Why Nikon - Z 9 wins
- ▲AF points — 16.00% more. 493 vs 425.
Spec comparison
Sensor
| Spec | Fujifilm - GFX 100 II | Nikon - Z 9 |
|---|---|---|
| Sensor sizeⓘ | Medium Formatlead | Full Frame |
| Megapixels | 102 MPlead | 45 MP |
| Max ISO | 12800 | 102400lead |
Video
| Spec | Fujifilm - GFX 100 II | Nikon - Z 9 |
|---|---|---|
| Max video | 8K | 8K |
| RAW video | true | true |
| Log profileⓘ | true | true |
Autofocus
| Spec | Fujifilm - GFX 100 II | Nikon - Z 9 |
|---|---|---|
| AF pointsⓘ | 425 | 493lead |
| Eye AFⓘ | true | true |
| In-body stabilizationⓘ | true | true |
Body & Controls
| Spec | Fujifilm - GFX 100 II | Nikon - Z 9 |
|---|---|---|
| Weight | 1030 glead | 1340 g |
| Weather sealedⓘ | true | true |
| Dual card slotsⓘ | true | true |