Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Corsair - RM850e (2023) | EVGA - SuperNOVA 1000 G7 |
|---|---|---|
| Wattage | 850 W | 1000 W |
| Warranty | 7 yrs | 10 yrs |
| ATX 3.0 / 12VHPWR | true | false |
Between the RM850e (2023) and SuperNOVA 1000 G7, the RM850e (2023) comes out ahead in atx 3.0 / 12vhpwr, while the SuperNOVA 1000 G7 wins on wattage / warranty. Overall, the RM850e (2023) scores 80.3 and the SuperNOVA 1000 G7 scores 82.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (80.3 vs 82.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the RM850e (2023) if you care most about atx 3.0 / 12vhpwr. The biggest gaps in its favor are atx 3.0 / 12vhpwr. The single most decisive one: Has ATX 3.0 / 12VHPWR.
Pick the SuperNOVA 1000 G7 if you care most about wattage / warranty. Its strongest claims are wattage, warranty. The single most decisive one: Wattage — 17.65% more. 1000 W vs 850 W.
Both ship with comparable 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 - RM850e (2023) or EVGA - SuperNOVA 1000 G7?
EVGA - SuperNOVA 1000 G7 leads the current Mars Score by 1.8 points.The more useful decision is the trade-off behind that result: compare wattage against the way you will actually use the product.
Choose Corsair - RM850e (2023) if…
Corsair - RM850e (2023) has the measurable edge on has atx 3.
Choose EVGA - SuperNOVA 1000 G7 if…
EVGA - SuperNOVA 1000 G7 has the measurable edge on wattage w, warranty years.
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 - RM850e (2023) wins
- ▲Has ATX 3.0 / 12VHPWR.
Why EVGA - SuperNOVA 1000 G7 wins
- ▲Wattage — 17.65% more. 1000 W vs 850 W.
- ▲Warranty — 3.00 yrs more. 10 vs 7.
Spec comparison
Spec
| Spec | Corsair - RM850e (2023) | EVGA - SuperNOVA 1000 G7 |
|---|---|---|
| Wattage | 850 W | 1000 Wlead |
| Efficiency | 80+ Gold | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | Corsair - RM850e (2023) | EVGA - SuperNOVA 1000 G7 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | truelead | false |
| Warranty | 7 yrs | 10 yrslead |