Between the HX1500i (2023) and C1500 Platinum, the HX1500i (2023) comes out ahead in several specs, while the C1500 Platinum wins on several specs. Overall, the HX1500i (2023) scores 91 and the C1500 Platinum scores 91 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
The HX1500i (2023) does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
The C1500 Platinum similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable wattage, efficiency, modular, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Corsair - HX1500i (2023) or NZXT - C1500 Platinum?
The two products are effectively tied on the current Mars Score.The more useful decision is the trade-off behind that result: compare the highlighted specifications against the way you will actually use the product.
Choose Corsair - HX1500i (2023) if…
Corsair - HX1500i (2023) does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose NZXT - C1500 Platinum if…
NZXT - C1500 Platinum does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Corsair - HX1500i (2023) wins
- No decisive advantages.
Why NZXT - C1500 Platinum wins
- No decisive advantages.
Spec comparison
Spec
| Spec | Corsair - HX1500i (2023) | NZXT - C1500 Platinum |
|---|---|---|
| Wattage | 1500 W | 1500 W |
| Efficiency | 80+ Platinum | 80+ Platinum |
| Form factor | ATX | ATX |
Features
| Spec | Corsair - HX1500i (2023) | NZXT - C1500 Platinum |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |