Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - ROG NUC (2025) | Geekom - A8 |
|---|---|---|
| TDP | 170 W | 65 W |
| Storage | 2048 GB | 1024 GB |
| Volume | 2.5 L | 0.6 L |
| Thunderbolt | true | false |
Between the ROG NUC (2025) and A8, the ROG NUC (2025) comes out ahead in storage / thunderbolt, while the A8 wins on tdp / volume. Overall, the ROG NUC (2025) scores 59.1 and the A8 scores 73.1 on our Mars Score.
Which should you buy?
The A8 is the clear pick on raw spec strength, leading by 14.0 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 ROG NUC (2025) if you care most about storage / thunderbolt. The biggest gaps in its favor are storage, thunderbolt. The single most decisive one: Storage — 100.00% more. 2048 GB vs 1024 GB.
Pick the A8 if you care most about tdp / volume. Its strongest claims are tdp, volume. The single most decisive one: TDP — 105.00 W less. 65 vs 170.
Both ship with comparable ram, so those specs do not separate the two — focus on the differences below.
Bottom line: the A8 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: ASUS - ROG NUC (2025) or Geekom - A8?
Geekom - A8 leads the current Mars Score by 14.0 points.The more useful decision is the trade-off behind that result: compare storage, volume, tdp against the way you will actually use the product.
Choose ASUS - ROG NUC (2025) if…
ASUS - ROG NUC (2025) has the measurable edge on storage gb, has thunderbolt.
Choose Geekom - A8 if…
Geekom - A8 has the measurable edge on tdp w, volume l.
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 ASUS - ROG NUC (2025) wins
- ▲Storage — 100.00% more. 2048 GB vs 1024 GB.
- ▲Has Thunderbolt.
Why Geekom - A8 wins
- ▲TDP — 105.00 W less. 65 vs 170.
- ▲Volume — 1.90 L less. 0.6 vs 2.5.
Spec comparison
Core
Form & I/O
| Spec | ASUS - ROG NUC (2025) | Geekom - A8 |
|---|---|---|
| Volume | 2.5 L | 0.6 Llead |
| Weight | 1.5 kg | 0.61 kglead |
| TDPⓘ | 170 W | 65 Wlead |
| USB ports | 7lead | 6 |
| Thunderboltⓘ | truelead | false |