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Corsair HX1200 vs Seasonic PRIME TX-1000

PSU comparison · Corsair vs Seasonic · 2017 vs 2017

Estimates only. These calculators use typical component specifications and rough rules of thumb. They are for planning and education, not purchase advice. Verify every number against your parts’ official datasheets before buying or building.
Why a static comparison: AI search can list each part's spec sheet, but it cannot lay the two side by side with a grounded pick guidance calibrated to your workload. That is what this page does — every number below comes from the vendor datasheet / TechPowerUp entry.

Corsair HX1200 vs Seasonic PRIME TX-1000 — head to head

MetricCorsair HX1200Seasonic PRIME TX-1000
Relative tier90/10088/100
TDP / power1200 W1000 W
Wattage1200 W1000 W
Efficiency80 PLUS Platinum80 PLUS Titanium

Which one should you pick?

The two are within ~2 tier points of each other, so the relative-performance index does not clearly separate them. 1200 W vs 1000 W rated output. Tier is a TweakGearPro planning estimate, not a benchmark — verify with reviews that match your exact workload, resolution and workload mix before buying.

Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.

Full specifications

Corsair HX1200

Brand / seriesCorsair HX
Architecture / classATX
Launch year2017
Wattage1200 W
Efficiency80 PLUS Platinum
Form factorATX
Modularfull
Fan135 mm
Rated output1200 W
Relative tier90/100 — Enthusiast flagship

Seasonic PRIME TX-1000

Brand / seriesSeasonic PRIME TX
Architecture / classATX
Launch year2017
Wattage1000 W
Efficiency80 PLUS Titanium
Form factorATX
Modularfull
Fan135 mm
Rated output1000 W
Relative tier88/100 — High-end

See the full PSU Tier List →

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