Corsair - HX1500i (2023) vs Seasonic - VERTEX GX-1200
Between the HX1500i (2023) and VERTEX GX-1200, the HX1500i (2023) comes out ahead in wattage and efficiency, while the VERTEX GX-1200 wins on warranty. Overall, the HX1500i (2023) scores 90.7 and the VERTEX GX-1200 scores 77.5 on our Mars Score.
Which should you buy?
The HX1500i (2023) is the clear pick on raw spec strength, leading by 13.2 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 HX1500i (2023) if you care most about wattage and efficiency. The biggest gaps in its favor are wattage, efficiency.
Pick the VERTEX GX-1200 if you care most about warranty. Its strongest claims are warranty.
Both ship with comparable modular, atx 3.0 / 12vhpwr, so those specs don't separate the two — focus on the differences below.
Bottom line: the HX1500i (2023) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Corsair - HX1500i (2023) wins
- ▲Wattage — 25.00% more. 1500 W vs 1200 W.
- ▲Efficiency: 80+ Platinum (vs 80+ Gold).
Why Seasonic - VERTEX GX-1200 wins
- ▲Warranty — 2.00 yrs more. 12 vs 10.
Spec comparison
Spec
| Spec | Corsair - HX1500i (2023) | Seasonic - VERTEX GX-1200 |
|---|---|---|
| Wattage | 1500 Wlead | 1200 W |
| Efficiency | 80+ Platinumlead | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | Corsair - HX1500i (2023) | Seasonic - VERTEX GX-1200 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 12 yrslead |
Frequently asked
Spec-level deep dives
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