Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | EVGA - SuperNOVA 1000 G7 | Seasonic - FOCUS GX-850 |
|---|---|---|
| Wattage | 1000 W | 850 W |
| ATX 3.0 / 12VHPWR | false | true |
Between the SuperNOVA 1000 G7 and FOCUS GX-850, the SuperNOVA 1000 G7 comes out ahead in wattage, while the FOCUS GX-850 wins on atx 3.0 / 12vhpwr. Overall, the SuperNOVA 1000 G7 scores 82.1 and the FOCUS GX-850 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 SuperNOVA 1000 G7 if you care most about wattage. The biggest gaps in its favor are wattage. The single most decisive one: Wattage — 17.65% more. 1000 W vs 850 W.
Pick the FOCUS GX-850 if you care most about atx 3.0 / 12vhpwr. Its strongest claims are atx 3.0 / 12vhpwr. The single most decisive one: Has ATX 3.0 / 12VHPWR.
Both ship with comparable efficiency, modular, warranty, 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: EVGA - SuperNOVA 1000 G7 or Seasonic - FOCUS GX-850?
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 EVGA - SuperNOVA 1000 G7 if…
EVGA - SuperNOVA 1000 G7 has the measurable edge on wattage w.
Choose Seasonic - FOCUS GX-850 if…
Seasonic - FOCUS GX-850 has the measurable edge on has atx 3.
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 EVGA - SuperNOVA 1000 G7 wins
- ▲Wattage — 17.65% more. 1000 W vs 850 W.
Why Seasonic - FOCUS GX-850 wins
- ▲Has ATX 3.0 / 12VHPWR.
Spec comparison
Spec
| Spec | EVGA - SuperNOVA 1000 G7 | Seasonic - FOCUS GX-850 |
|---|---|---|
| Wattage | 1000 Wlead | 850 W |
| Efficiency | 80+ Gold | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | EVGA - SuperNOVA 1000 G7 | Seasonic - FOCUS GX-850 |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | false | truelead |
| Warranty | 10 yrs | 10 yrs |