Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | GMKtec - NucBox M6 | HP - Z2 Mini G1a |
|---|---|---|
| RAM | 16 GB | 64 GB |
| Storage | 512 GB | 1024 GB |
| TDP | 45 W | 120 W |
| Volume | 0.55 L | 2.7 L |
| Thunderbolt | false | true |
Between the NucBox M6 and Z2 Mini G1a, the NucBox M6 comes out ahead in tdp / volume, while the Z2 Mini G1a wins on ram / storage. Overall, the NucBox M6 scores 67.1 and the Z2 Mini G1a scores 60.1 on our Mars Score.
Which should you buy?
The NucBox M6 edges ahead on the Mars Score (67.1 vs 60.1), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the NucBox M6 if you care most about tdp / volume. The biggest gaps in its favor are tdp, volume. The single most decisive one: TDP — 75.00 W less. 45 vs 120.
Pick the Z2 Mini G1a if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are ram, storage, thunderbolt. The single most decisive one: RAM — 300.00% more. 64 GB vs 16 GB.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the NucBox M6 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: GMKtec - NucBox M6 or HP - Z2 Mini G1a?
GMKtec - NucBox M6 leads the current Mars Score by 7.0 points.The more useful decision is the trade-off behind that result: compare ram, storage, volume, tdp against the way you will actually use the product.
Choose GMKtec - NucBox M6 if…
GMKtec - NucBox M6 has the measurable edge on tdp w, volume l.
Choose HP - Z2 Mini G1a if…
HP - Z2 Mini G1a has the measurable edge on ram gb, storage gb, has thunderbolt.
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 GMKtec - NucBox M6 wins
- ▲TDP — 75.00 W less. 45 vs 120.
- ▲Volume — 2.15 L less. 0.55 vs 2.7.
Why HP - Z2 Mini G1a wins
- ▲RAM — 300.00% more. 64 GB vs 16 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲Has Thunderbolt.
Spec comparison
Core
Form & I/O
| Spec | GMKtec - NucBox M6 | HP - Z2 Mini G1a |
|---|---|---|
| Volume | 0.55 Llead | 2.7 L |
| Weight | 0.55 kglead | 1.99 kg |
| TDPⓘ | 45 Wlead | 120 W |
| USB ports | 4 | 6lead |
| Thunderboltⓘ | false | truelead |