Between the FOCUS PX-650 and VERTEX GX-1200, the FOCUS PX-650 comes out ahead in efficiency, while the VERTEX GX-1200 wins on wattage / warranty. Overall, the FOCUS PX-650 scores 50.8 and the VERTEX GX-1200 scores 77.5 on our Mars Score.
Which should you buy?
The VERTEX GX-1200 is the clear pick on raw spec strength, leading by 26.7 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 FOCUS PX-650 if you care most about efficiency. The biggest gaps in its favor are efficiency.
Pick the VERTEX GX-1200 if you care most about wattage / warranty. Its strongest claims are wattage, warranty, atx 3.0 / 12vhpwr.
Both ship with comparable modular, so those specs do not separate the two — focus on the differences below.
Bottom line: the VERTEX GX-1200 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Seasonic - FOCUS PX-650 wins
- ▲Efficiency: 80+ Platinum (vs 80+ Gold).
Why Seasonic - VERTEX GX-1200 wins
- ▲Wattage — 84.62% more. 1200 W vs 650 W.
- ▲Warranty — 2.00 yrs more. 12 vs 10.
- ▲Has ATX 3.0 / 12VHPWR.
Spec comparison
Spec
| Spec | Seasonic - FOCUS PX-650 | Seasonic - VERTEX GX-1200 |
|---|---|---|
| Wattage | 650 W | 1200 Wlead |
| Efficiency | 80+ Platinumlead | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | Seasonic - FOCUS PX-650 | Seasonic - VERTEX GX-1200 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | false | truelead |
| Warranty | 10 yrs | 12 yrslead |
Spec-level deep dives
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