EVGA SuperNOVA 1000 G7 vs Corsair RM850x (2024)
Efficiency, ATX compliance, 12V-2x6 support, Cybenetics rating, and 5-year total cost of ownership.
| Spec | EVGA SuperNOVA 1000 G7 | Corsair RM850x (2024) |
|---|---|---|
| Wattage | 1000W | 850W |
| Efficiency Tier | gold | gold |
| ATX Version | ATX 2.x | ATX 3.1 |
| 12V-2x6 (RTX 5090 safe) | ✗ No | ✓ Yes |
| Modular | full | full |
| Cybenetics Rating | ETA-A | ETA-A |
| MSRP | $169 | $139 |
| Est. Annual Electricity Cost | $252/yr | $252/yr |
| 5-Year Total Cost (TCO) | $1429 | $1399 |
5-Year Total Cost of Ownership
Assuming 500W average draw, 8 hours/day gaming, and $0.15/kWh electricity:
Corsair RM850x (2024) costs ~$1399 over 5 years (purchase + electricity), saving approximately $30 compared to EVGA SuperNOVA 1000 G7.
Note: EVGA SuperNOVA 1000 G7 has higher efficiency but higher upfront cost. The TCO crossover depends on your electricity rate and usage.
Frequently Asked Questions
Which is more efficient — EVGA SuperNOVA 1000 G7 or Corsair RM850x (2024)?
EVGA SuperNOVA 1000 G7 is rated 80+ Gold (~87% efficient), making it more efficient than Corsair RM850x (2024) (80+ Gold (~87% efficient)). Higher efficiency means less electricity waste as heat, lower operating costs, and better thermal performance.
Can EVGA SuperNOVA 1000 G7 run an RTX 5090?
EVGA SuperNOVA 1000 G7 does not include a native 12V-2x6 connector. Running an RTX 5090 would require an adapter cable, which is not recommended at the 5090's 575W TBP. Upgrade to an ATX 3.1 PSU with a native 12V-2x6 port.
Which has lower long-term cost?
At $0.15/kWh and 8 hours/day, Corsair RM850x (2024) costs ~$1399 total over 5 years (purchase + electricity) vs ~$1429 for EVGA SuperNOVA 1000 G7 — a difference of ~$30.