Skip to content
Specdex
Compare now
Seasonic PRIME TX-1300 — 1300W · 80+ Titanium · 12VHPWR
Seasonic

Seasonic PRIME TX-1300

1300W · 80+ Titanium · 12VHPWR

93
/ 100
From $359
VS
Seasonic PRIME TX-1300 wins by 1
Corsair RM1000x Shift — 1000 W · 80+ Gold · ATX 3.1
Corsair

Corsair RM1000x Shift

1000 W · 80+ Gold · ATX 3.1

92
/ 100
From $229
Specdex verdict

Seasonic PRIME TX-1300 takes it — here’s why.

In our weighted Specdex score, Seasonic PRIME TX-1300 lands at 93 and Corsair RM1000x Shift at 92. That puts Seasonic PRIME TX-1300 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Seasonic PRIME TX-1300 if…

  • 80+ Titanium efficiency
  • 12-year warranty
  • Pure-DC fan profile

Pick Corsair RM1000x Shift if…

  • ATX 3.1 + 12V-2x6
  • Side-mounted cables
  • Quiet zero-RPM
Seasonic PRIME TX-1300 93
vs
92 Corsair RM1000x Shift

Score breakdown

Seasonic PRIME TX-1300
93
efficiency 100
build 96
features 90
value 84
noise 0
cables 0
Corsair RM1000x Shift
92
efficiency 90
build 0
features 0
value 88
noise 94
cables 96

Specs side-by-side

Seasonic PRIME TX-1300 versus Corsair RM1000x Shift — full spec comparison
Spec Seasonic PRIME TX-1300 Corsair RM1000x Shift
Wattage
1300W
1000 W
Efficiency
80+ Titanium
80+ Gold
Cooling
135 mm fluid-dynamic-bearing fan
Modular
Fully modular
12VHPWR
Native cable included
Warranty
12 years
Standard
ATX 3.1
Connectors
1× 12V-2x6 (600W)
Fan
135 mm FDB

Seasonic PRIME TX-1300

Pros
  • +80+ Titanium efficiency
  • +12-year warranty
  • +Pure-DC fan profile
Cons
  • Premium pricing
  • Heavier than Gold-rated equivalents
  • Cables stiff

Corsair RM1000x Shift

Pros
  • +ATX 3.1 + 12V-2x6
  • +Side-mounted cables
  • +Quiet zero-RPM
Cons
  • Bulky side depth
  • Price creep
  • Gold not Platinum

FAQ: Seasonic PRIME TX-1300 vs Corsair RM1000x Shift

Which is better, Seasonic PRIME TX-1300 or Corsair RM1000x Shift? +

Seasonic PRIME TX-1300 scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Seasonic PRIME TX-1300 worth the price? +

At $359, Seasonic PRIME TX-1300 delivers a Specdex score of 93 — strongest in efficiency.

Is Corsair RM1000x Shift worth the price? +

At $229, Corsair RM1000x Shift delivers a Specdex score of 92 — strongest in cables.

Does Seasonic PRIME TX-1300 or Corsair RM1000x Shift 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.