Seasonic
Seasonic Focus GX-850 (V4)
$149.99Cheaper
Released 2024-11
Best Power Supplies · head-to-head
A sourced, side-by-side comparison. Seasonic Focus GX-850 (V4) is cheaper at $149.99. Every spec and price links to its source.
Seasonic
$149.99Cheaper
Released 2024-11
EVGA
$239.99
Released 2022-06
On the specs we track, they're closely matched. The Seasonic Focus GX-850 (V4) is the cheaper at $149.99.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $149.99 MSRP, black model | $239.99 MSRP at launch |
| Brand | Seasonic | EVGA |
| Released | 2024-11 | 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) | 135 | 120 |
| Warranty years | 10 | 10 |
| Release year | 2024 | 2022 |
Sources — Seasonic Focus GX-850 (V4): amazon.com (verified 2026-06-19). EVGA SuperNOVA 1000 G7: evga.com (verified 2026-06-19).
Where the two actually differ on the specs we track (4 of 7). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
No sourced tester review yet.
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.