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Seasonic Vertex GX-1000 — 1000 W · Gold
Seasonic

Seasonic Vertex GX-1000

1000 W · Gold

90
/ 100
From $199
VS
Seasonic PRIME TX-1300 wins by 3
Seasonic PRIME TX-1300 — 1300W · 80+ Titanium · 12VHPWR
Seasonic

Seasonic PRIME TX-1300

1300W · 80+ Titanium · 12VHPWR

93
/ 100
From $359
Specdex verdict

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

In our weighted Specdex score, Seasonic Vertex GX-1000 lands at 90 and Seasonic PRIME TX-1300 at 93. That puts Seasonic PRIME TX-1300 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Seasonic Vertex GX-1000 if…

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

Pick Seasonic PRIME TX-1300 if…

  • 80+ Titanium efficiency
  • 12-year warranty
  • Pure-DC fan profile
Seasonic Vertex GX-1000 90
vs
93 Seasonic PRIME TX-1300

Score breakdown

Seasonic Vertex GX-1000
90
efficiency 90
noise 86
cables 86
value 84
build 0
features 0
Seasonic PRIME TX-1300
93
efficiency 100
noise 0
cables 0
value 84
build 96
features 90

Specs side-by-side

Seasonic Vertex GX-1000 versus Seasonic PRIME TX-1300 — full spec comparison
Spec Seasonic Vertex GX-1000 Seasonic PRIME TX-1300
Wattage
1000 W
1300W
Efficiency
Gold
80+ Titanium
Cooling
135 mm fluid-dynamic-bearing fan
Modular
Fully modular
12VHPWR
Native cable included
Warranty
12 years

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

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

FAQ: Seasonic Vertex GX-1000 vs Seasonic PRIME TX-1300

Which is better, Seasonic Vertex GX-1000 or Seasonic PRIME TX-1300? +

Seasonic PRIME TX-1300 scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Seasonic Vertex GX-1000 worth the price? +

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

Is Seasonic PRIME TX-1300 worth the price? +

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

Does Seasonic Vertex GX-1000 or Seasonic PRIME TX-1300 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.