Corsair
Corsair HX1000i
1000 W · Platinum
92
/ 100
From $279
VS
Corsair HX1000i wins by 4
Seasonic
Seasonic Focus GX-850
850 W · Gold
88
/ 100
From $149
Specdex verdict
Corsair HX1000i takes it — here’s why.
In our weighted Specdex score, Corsair HX1000i lands at 92 and Seasonic Focus GX-850 at 88. That puts Corsair HX1000i ahead by 4 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 Focus GX-850 if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Corsair HX1000i 92
vs 88 Seasonic Focus GX-850
Score breakdown
Corsair HX1000i
92 efficiency 92
noise 86
cables 86
value 84
Seasonic Focus GX-850
88 efficiency 88
noise 86
cables 86
value 84
Specs side-by-side
| Spec | Corsair HX1000i | Seasonic Focus GX-850 |
|---|---|---|
| Wattage | 1000 W | 850 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 Focus GX-850
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 Focus GX-850
Which is better, Corsair HX1000i or Seasonic Focus GX-850? +
Corsair HX1000i scores 92 on our weighted rubric — ahead by 4. 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 Focus GX-850 worth the price? +
At $149, Seasonic Focus GX-850 delivers a Specdex score of 88 — strongest in efficiency.
Does Corsair HX1000i or Seasonic Focus GX-850 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.