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Corsair HX1000i — 1000 W · Platinum
Corsair

Corsair HX1000i

1000 W · Platinum

92
/ 100
From $279
VS
Corsair HX1000i wins by 2
Seasonic Vertex GX-1000 — 1000 W · Gold
Seasonic

Seasonic Vertex GX-1000

1000 W · Gold

90
/ 100
From $199
Specdex verdict

Corsair HX1000i takes it — here’s why.

In our weighted Specdex score, Corsair HX1000i lands at 92 and Seasonic Vertex GX-1000 at 90. That puts Corsair HX1000i ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Corsair HX1000i if…

  • ✓Modular cabling on most
  • ✓ATX 3.1 / 12V-2x6 support
  • ✓10-year warranty on many

Pick Seasonic Vertex GX-1000 if…

  • ✓Modular cabling on most
  • ✓ATX 3.1 / 12V-2x6 support
  • ✓10-year warranty on many
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Efficiency

Corsair HX1000i

Compared on the efficiency sub-score

Corsair HX1000i leads on efficiency (92 vs 90).

Noise

Tie

Compared on the noise sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Cables

Tie

Compared on the cables sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Seasonic Vertex GX-1000

Specdex score per dollar at MSRP

Seasonic Vertex GX-1000 more score per dollar ($199 vs $279).

Corsair HX1000i 92
vs
90 Seasonic Vertex GX-1000

Score breakdown

Corsair HX1000i
92
efficiency 92
noise 86
cables 86
value 84
Seasonic Vertex GX-1000
90
efficiency 90
noise 86
cables 86
value 84

Specs side-by-side

Corsair HX1000i versus Seasonic Vertex GX-1000 — full spec comparison
Spec Corsair HX1000i Seasonic Vertex GX-1000
Wattage
1000 W
1000 W
Efficiency
Platinum
Gold

Corsair HX1000i

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • −Bulky on higher wattages
  • −Fan noise varies by load
  • −Cable length may not fit some cases

Seasonic Vertex GX-1000

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • −Bulky on higher wattages
  • −Fan noise varies by load
  • −Cable length may not fit some cases

FAQ: Corsair HX1000i vs Seasonic Vertex GX-1000

Which is better, Corsair HX1000i or Seasonic Vertex GX-1000? +

Corsair HX1000i scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Corsair HX1000i worth the price? +

At $279, Corsair HX1000i delivers a Specdex score of 92 — strongest in efficiency.

Is Seasonic Vertex GX-1000 worth the price? +

At $199, Seasonic Vertex GX-1000 delivers a Specdex score of 90 — strongest in efficiency.

Does Corsair HX1000i or Seasonic Vertex GX-1000 last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for efficiency, Corsair HX1000i or Seasonic Vertex GX-1000? +

Corsair HX1000i — leads on efficiency (92 vs 90). Compared on the efficiency sub-score.

Which is the better value, Corsair HX1000i or Seasonic Vertex GX-1000? +

Seasonic Vertex GX-1000 — more score per dollar ($199 vs $279). Specdex score per dollar at MSRP.