Between the C1500 Platinum and FOCUS GX-850, the C1500 Platinum comes out ahead in wattage / efficiency, while the FOCUS GX-850 wins on several specs. Overall, the C1500 Platinum scores 90.7 and the FOCUS GX-850 scores 61.1 on our Mars Score.
Which should you buy?
The C1500 Platinum is the clear pick on raw spec strength, leading by 29.6 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 C1500 Platinum if you care most about wattage / efficiency. The biggest gaps in its favor are wattage, efficiency.
The FOCUS GX-850 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable modular, atx 3.0 / 12vhpwr, warranty, so those specs do not separate the two — focus on the differences below.
Bottom line: the C1500 Platinum is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why NZXT - C1500 Platinum wins
- ▲Wattage — 76.47% more. 1500 W vs 850 W.
- ▲Efficiency: 80+ Platinum (vs 80+ Gold).
Why Seasonic - FOCUS GX-850 wins
- No decisive advantages.
Spec comparison
Spec
| Spec | NZXT - C1500 Platinum | Seasonic - FOCUS GX-850 |
|---|---|---|
| Wattage | 1500 Wlead | 850 W |
| Efficiency | 80+ Platinumlead | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | NZXT - C1500 Platinum | Seasonic - FOCUS GX-850 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |
Spec-level deep dives
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