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Head-to-head · Best 850w Power Supplies

EVGA SuperNOVA 850 G7 vs Seasonic Focus GX-850

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

EVGA SuperNOVA 850 G7 comes out ahead by a clear margin (4.4 vs 4.1). The gap is mostly about fit for purpose — read the strengths below before deciding.

EVGA SuperNOVA 850 G7
Higher ratedRanked #3 in Best 850w Power Supplies
EVGA SuperNOVA 850 G7

The EVGA SuperNOVA 850 G7 delivers high performance in a compact form factor, according to Tom's Hardware and Hardware Busters reviews. It offers excellent efficiency and build quality while maintaining reliable operation under load. However, it lacks PCIe 5.0 support and suffers from high inrush currents. This PSU is ideal for gamers seeking a powerful yet space-saving solution, though those requiring latest-generation PCIe connectors may need to look elsewhere.

Strengths
  • — Full power at 47 degrees Celsius
  • — Top overall performance
  • — Good build quality
Watch-outs
  • — No PCIe 5.0 connectors
  • — High inrush currents
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Seasonic Focus GX-850
Ranked #6 in Best 850w Power Supplies
Seasonic Focus GX-850

The Seasonic Focus GX-850 V4 delivers full power at 46°C and is ATX v3.1 and PCIe 5.1 ready with high build quality and good ripple suppression. However, reviewers noted it lacks competitive overall performance and has a fan speed profile that needs improvement. TechPowerUp and Hardware Busters both criticized its transient response and efficiency under light loads, while one user on Facebook mentioned returning multiple PSUs before settling on this model. It's best suited for users prioritizing build quality and features over peak performance.

Strengths
  • — Delivered full power at 46°C ATX v3.1 and PCIe 5.1 ready
  • — High build quality with OptiSink technology for better heat dissipation
  • — Good ripple suppression
Watch-outs
  • — Increased MSRP
  • — Not competitive overall performance
  • — Fan speed profile needs improvement
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Specs side-by-side

SpecEVGA SuperNOVA 850 G7Seasonic Focus GX-850
Wattage850W850W
EfficiencyCybenetics Platinum (89-91%), 80 PLUS Gold80 PLUS Gold (up to 92%)
Form FactorATX12V v2.52ATX Form Factor
ModularityFully modularFull Modular
Fan Size120mm135mm FDB fan with 3 modes
Warranty10-year10-year limited
Connectors2x EPS, 6x PCIe 6+2 pin, 9 SATA, 4x Molex, 1x FDD3x 6+2 pin PCIe, 1x 12+4 pin PCIe
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