Corsair
Corsair RM850x (2024)
$169.99Cheaper
Released 2024
Best Power Supplies · head-to-head
Corsair RM850x (2024) vs EVGA SuperNOVA 1000 G7
A sourced, side-by-side comparison. Corsair RM850x (2024) is cheaper at $169.99. Every spec and price links to its source.
EVGA
EVGA SuperNOVA 1000 G7
$239.99
Released 2022-06
Which is better: the Corsair RM850x (2024) or EVGA SuperNOVA 1000 G7?
On the specs we track, they're closely matched. The Corsair RM850x (2024) is the cheaper at $169.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Corsair RM850x (2024) | EVGA SuperNOVA 1000 G7 |
|---|---|---|
| US price | $169.99 MSRP, black model | $239.99 MSRP at launch |
| Brand | Corsair | EVGA |
| Released | 2024 | 2022-06 |
| Wattage (W) | 850 | 1000 |
| Efficiency rating | 80plus_gold | 80plus_gold |
| Modular | full | full |
| Atx version | ATX 3.1 | ATX 2.4 |
| Pcie 5 12vhpwr | Yes | No |
| Fan size (mm) | 140 | 120 |
| Warranty years | 10 | 10 |
| Release year | 2024 | 2022 |
Sources — Corsair RM850x (2024): corsair.com (verified 2026-06-19). EVGA SuperNOVA 1000 G7: evga.com (verified 2026-06-19).
What's the difference between the Corsair RM850x (2024) and EVGA SuperNOVA 1000 G7?
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
- Wattage (W): Corsair RM850x (2024) 850 vs EVGA SuperNOVA 1000 G7 1000
- Atx version: Corsair RM850x (2024) ATX 3.1 vs EVGA SuperNOVA 1000 G7 ATX 2.4
- Pcie 5 12vhpwr: Corsair RM850x (2024) true vs EVGA SuperNOVA 1000 G7 false
- Fan size (mm): Corsair RM850x (2024) 140 vs EVGA SuperNOVA 1000 G7 120
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Corsair RM850x (2024)
Across 2 testing outlets, the Corsair RM850x (2024, ATX v3.1) tested as a capable, well-engineered 850W PSU. KitGuru rated it 9.0/10 after a week of testing, praising tight ripple suppression and solid load regulation across all rails, though it flagged the roughly £148/€160 price as expensive. Igor's Lab's lab measurements independently back up the strong build, recording Cybenetics Gold efficiency, a Cybenetics A noise rating, and a 10-year warranty, alongside confirmation that the unit meets the new ATX v3.1 standard. (2 sourced reviews, 2 lab-tested.)
Praised: Very capable, well-built PSU overall; Tight ripple suppression and good load/voltage regulation across all rails; Strong efficiency (Cybenetics Gold) and quiet operation (Cybenetics A noise rating), plus 10-year warranty and ATX v3.1 compliance.
Flagged: Relatively expensive (~£148 / ~€160).
EVGA SuperNOVA 1000 G7
One whitelisted lab review (Tom's Hardware, by Aris Mpitziopoulos) covers this exact model. Across its six-page bench test, the reviewer rates the 1000 G7 among the best 1000W units and the smallest 1000W ATX PSU, with high measured efficiency (Cybenetics Platinum, peaking above 92% at mid load), tight load regulation and excellent 12V transient response, but noisier at full load than the Corsair RM1000x. (1 sourced review, 1 lab-tested.)
Praised: Top-tier overall performance and high measured efficiency (Cybenetics Platinum), peaking above 92% at mid load; Smallest 1000W ATX PSU with compact 130mm depth and high build quality (Rubycon/Chemi-Con caps, FDB fan); Tight load regulation and excellent 12V transient response.
Flagged: Higher noise output than the Corsair RM1000x due to the small fan and overpopulated PCB (47.5 dB(A) at full load); High inrush currents at both tested input voltages; No PCIe 5.0 / ATX 3.0 (12+4 pin) connectors.