# Seasonic Focus GX-850 (V4) vs EVGA SuperNOVA 1000 G7: specs and price compared

A sourced, side-by-side comparison of the Seasonic Focus GX-850 (V4) (Seasonic) and EVGA SuperNOVA 1000 G7 (EVGA) among power supplies. Seasonic Focus GX-850 (V4) is the cheaper of the two at $149.99.

## Side by side

| Spec | Seasonic Focus GX-850 (V4) | EVGA SuperNOVA 1000 G7 |
| --- | --- | --- |
| US price | $149.99 | $239.99 |
| 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 |

## Key differences

- Wattage (W): Seasonic Focus GX-850 (V4) 850 vs EVGA SuperNOVA 1000 G7 1000
- Atx version: Seasonic Focus GX-850 (V4) ATX 3.1 vs EVGA SuperNOVA 1000 G7 ATX 2.4
- Pcie 5 12vhpwr: Seasonic Focus GX-850 (V4) Yes vs EVGA SuperNOVA 1000 G7 No
- Fan size (mm): Seasonic Focus GX-850 (V4) 135 vs EVGA SuperNOVA 1000 G7 120

## What reviewers say

**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.)

## Sources

- Seasonic Focus GX-850 (V4): https://www.amazon.com/Seasonic-GX-850-ATX3-Full-Modular-Compatible/dp/B0DLFMTX12 (amazon.com, verified 2026-06-19)
- EVGA SuperNOVA 1000 G7: https://www.evga.com/products/Specs/PSU.aspx?pn=ea36c7c3-6644-41df-b63b-44bab274066f (evga.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/power-supplies/seasonic-focus-gx-850-v4-vs-evga-supernova-1000-g7/
Cite: Per The Front Desk Review, Seasonic Focus GX-850 (V4) ($149.99) vs EVGA SuperNOVA 1000 G7 ($239.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/power-supplies/seasonic-focus-gx-850-v4-vs-evga-supernova-1000-g7/
License: CC BY 4.0.