Seasonic VERTEX GX ATX 3.1 850W vs Thermaltake Toughpower GF A3 850W

SeasonicVERTEX GX ATX 3.1 850W850 W · ATX · 80 Plus Gold
ThermaltakeToughpower GF A3 850W850 W · ATX · 80 Plus Gold
In short

Seasonic VERTEX GX ATX 3.1 850W and Thermaltake Toughpower GF A3 850W land level on every measure the site tracks.

SpecificationSeasonicVERTEX GX ATX 3.1 850WThermaltakeToughpower GF A3 850W
Wattage (W)850850
Form factorATXATX
Efficiency80 Plus Gold80 Plus Gold
Current best price£116.64at Amazon.co.uk · captured 2026-09-13

How these two compare

Efficiency

Seasonic VERTEX GX ATX 3.1 850W carries an 80 Plus Gold rating; Thermaltake Toughpower GF A3 850W is rated 80 Plus Gold. The rating is the 80 PLUS certification each vendor prints, measured at defined load points — a higher tier wastes less of the wall power it draws as heat, which shows up as a cooler, quieter supply and a little off the running cost.

Which to buy

Either. They come out level on every measure the site tracks, so the day's price is the tiebreaker — take whichever is cheaper when you buy.

Common questions about this pair

Which is more efficient, Seasonic VERTEX GX ATX 3.1 850W or Thermaltake Toughpower GF A3 850W?
Seasonic VERTEX GX ATX 3.1 850W carries an 80 Plus Gold rating; Thermaltake Toughpower GF A3 850W is rated 80 Plus Gold. The rating is the 80 PLUS certification each vendor prints, measured at defined load points — a higher tier wastes less of the wall power it draws as heat, which shows up as a cooler, quieter supply and a little off the running cost.
Should you buy Seasonic VERTEX GX ATX 3.1 850W or Thermaltake Toughpower GF A3 850W?
Either. They come out level on every measure the site tracks, so the day's price is the tiebreaker — take whichever is cheaper when you buy.
How we track prices

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