Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Corsair - SF1000L | EVGA - SuperNOVA 850 G7 |
|---|---|---|
| Wattage | 1000 W | 850 W |
| Warranty | 7 yrs | 10 yrs |
| ATX 3.0 / 12VHPWR | true | false |
Between the SF1000L and SuperNOVA 850 G7, the SF1000L comes out ahead in wattage / atx 3.0 / 12vhpwr, while the SuperNOVA 850 G7 wins on warranty. Overall, the SF1000L scores 82.1 and the SuperNOVA 850 G7 scores 80.3 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (82.1 vs 80.3). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the SF1000L if you care most about wattage / atx 3.0 / 12vhpwr. The biggest gaps in its favor are wattage, atx 3.0 / 12vhpwr. The single most decisive one: Wattage — 17.65% more. 1000 W vs 850 W.
Pick the SuperNOVA 850 G7 if you care most about warranty. Its strongest claims are warranty. The single most decisive one: Warranty — 3.00 yrs more. 10 vs 7.
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 - SF1000L or EVGA - SuperNOVA 850 G7?
Corsair - SF1000L 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 - SF1000L if…
Corsair - SF1000L has the measurable edge on wattage w, has atx 3.
Choose EVGA - SuperNOVA 850 G7 if…
EVGA - SuperNOVA 850 G7 has the measurable edge on 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 - SF1000L wins
- ▲Wattage — 17.65% more. 1000 W vs 850 W.
- ▲Has ATX 3.0 / 12VHPWR.
Why EVGA - SuperNOVA 850 G7 wins
- ▲Warranty — 3.00 yrs more. 10 vs 7.
Spec comparison
Spec
| Spec | Corsair - SF1000L | EVGA - SuperNOVA 850 G7 |
|---|---|---|
| Wattage | 1000 Wlead | 850 W |
| Efficiency | 80+ Gold | 80+ Gold |
| Form factor | SFX-Llead | ATX |
Features
| Spec | Corsair - SF1000L | EVGA - SuperNOVA 850 G7 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | truelead | false |
| Warranty | 7 yrs | 10 yrslead |