Between the Z2 Mini G1a and UM790 Pro, the Z2 Mini G1a comes out ahead in ram and thunderbolt, while the UM790 Pro wins on tdp and volume. Overall, the Z2 Mini G1a scores 60.1 and the UM790 Pro scores 71.8 on our Mars Score.
Which should you buy?
The UM790 Pro is the clear pick on raw spec strength, leading by 11.7 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 Z2 Mini G1a if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are ram, thunderbolt.
Pick the UM790 Pro if you care most about tdp and volume. Its strongest claims are tdp, volume.
Both ship with comparable storage, so those specs don't separate the two — focus on the differences below.
Bottom line: the UM790 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why HP - Z2 Mini G1a wins
- ▲RAM — 100.00% more. 64 GB vs 32 GB.
- ▲Has Thunderbolt.
Why Minisforum - UM790 Pro wins
- ▲TDP — 55.00 W less. 65 vs 120.
- ▲Volume — 1.95 L less. 0.75 vs 2.7.
Spec comparison
Core
Form & I/O
| Spec | HP - Z2 Mini G1a | Minisforum - UM790 Pro |
|---|---|---|
| Volume | 2.7 L | 0.75 Llead |
| Weight | 1.99 kg | 0.66 kglead |
| TDPⓘ | 120 W | 65 Wlead |
| USB ports | 6lead | 5 |
| Thunderboltⓘ | truelead | false |
Spec-level deep dives
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