Corsair HX850 CMPSU-850HX vs Corsair RM1000x
Corsair RM1000x — Pick the Corsair RM1000x — it leads these groups: Power 1 Value 1
Tap a group name to see the proof · The scoring method is public
The short answer
Corsair RM1000x wins this comparison with a score of 46/100, ahead of Corsair HX850 CMPSU-850HX (42).
The main differences: Output power (850 W vs 1000 W) · Warranty (5 yr vs 10 yr).
Scores are computed from 2 public spec attributes; missing values stay marked unknown in tables and are imputed at the category median, never passed off as measured.
At a glance
0–100 per group, normalized within the category · Tap a group for details
How to choose
Pick the Corsair RM1000x if you care about…
- Output power 1000 W +150 W vs 850 W
- Warranty 10 yr +5 yr vs 5 yr
Best price now
Cheap alternatives
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Where they differ
2 · Only rows that actually differ, with a verdict per row
| Corsair HX850 CMPSU-850HX | Corsair RM1000x | Where they differ | |
|---|---|---|---|
| Output power | 850 W | 1000 W | Corsair RM1000x |
| Warranty | 5 yr | 10 yr | Corsair RM1000x |
The record
Grouped and collapsible · Tap a group to fold
Power1▾
| Corsair HX850 CMPSU-850HX | Corsair RM1000x | |
|---|---|---|
| Output power | 850 W | 1000 W |
Value1▾
| Corsair HX850 CMPSU-850HX | Corsair RM1000x | |
|---|---|---|
| Warranty | 5 yr | 10 yr |
Data sources: Amazon
FAQ
Which is better, Corsair HX850 CMPSU-850HX or Corsair RM1000x?
Corsair RM1000x has the higher overall score (46 vs 42) and leads in Power, Value.
What are the main differences?
The main differences: Output power (850 W vs 1000 W) · Warranty (5 yr vs 10 yr).
How are the scores calculated?
We normalize 2 public spec attributes within the category and weight them by group into a 0–100 score; missing values are inherited from spec-identical twins or imputed at the category median, so a sparse spec sheet never earns an advantage. The methodology is public.