Corsair
Corsair RM850x Shift
850 W · Gold
90
/ 100
From $179
VS
Seasonic Prime TX-1600 wins by 5
Seasonic
Seasonic Prime TX-1600
1600 W · Titanium
95
/ 100
From $549
Specdex verdict
Seasonic Prime TX-1600 takes it — here’s why.
In our weighted Specdex score, Corsair RM850x Shift lands at 90 and Seasonic Prime TX-1600 at 95. That puts Seasonic Prime TX-1600 ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Corsair RM850x Shift if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Pick Seasonic Prime TX-1600 if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Score breakdown
Corsair RM850x Shift
90 efficiency 90
noise 86
cables 86
value 84
Seasonic Prime TX-1600
95 efficiency 95
noise 86
cables 86
value 84
Specs side-by-side
Spec
Corsair RM850x Shift
Seasonic Prime TX-1600
Wattage
850 W
1600 W
Efficiency
Gold
Titanium
Corsair RM850x Shift
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 Prime TX-1600
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 RM850x Shift vs Seasonic Prime TX-1600
Which is better, Corsair RM850x Shift or Seasonic Prime TX-1600? +
Seasonic Prime TX-1600 scores 95 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
Is Corsair RM850x Shift worth the price? +
At $179, Corsair RM850x Shift delivers a Specdex score of 90 — strongest in efficiency.
Is Seasonic Prime TX-1600 worth the price? +
At $549, Seasonic Prime TX-1600 delivers a Specdex score of 95 — strongest in efficiency.
Does Corsair RM850x Shift or Seasonic Prime TX-1600 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.