Seasonic
Seasonic PRIME TX-1300
1300W · 80+ Titanium · 12VHPWR
93
/ 100
From $359
VS
Seasonic
Seasonic Vertex PX-1200
1200 W · 80+ Platinum · ATX 3.0
93
/ 100
From $289
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Seasonic PRIME TX-1300 lands at 93 and Seasonic Vertex PX-1200 at 93. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Seasonic PRIME TX-1300 if…
- ✓80+ Titanium efficiency
- ✓12-year warranty
- ✓Pure-DC fan profile
Pick Seasonic Vertex PX-1200 if…
- ✓Rock-solid ripple
- ✓Platinum efficiency
- ✓Long 12-year warranty
Seasonic PRIME TX-1300 93
vs 93 Seasonic Vertex PX-1200
Score breakdown
Seasonic PRIME TX-1300
93 efficiency 100
build 96
features 90
value 84
noise 0
cables 0
Seasonic Vertex PX-1200
93 efficiency 96
build 0
features 0
value 86
noise 92
cables 90
Specs side-by-side
| Spec | Seasonic PRIME TX-1300 | Seasonic Vertex PX-1200 |
|---|---|---|
| Wattage | 1300W | 1200 W |
| Efficiency | 80+ Titanium | 80+ Platinum |
| Cooling | 135 mm fluid-dynamic-bearing fan | — |
| Modular | Fully modular | — |
| 12VHPWR | Native cable included | — |
| Warranty | 12 years | — |
| Standard | — | ATX 3.0 |
| Connectors | — | 1× 16-pin 12VHPWR (600W) |
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
Seasonic Vertex PX-1200
Pros
- +Rock-solid ripple
- +Platinum efficiency
- +Long 12-year warranty
Cons
- −Heavy at 2.6 kg
- −Expensive
- −Cables stiff
FAQ: Seasonic PRIME TX-1300 vs Seasonic Vertex PX-1200
Which is better, Seasonic PRIME TX-1300 or Seasonic Vertex PX-1200? +
Both score 93 on our weighted rubric — tied. 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 Seasonic Vertex PX-1200 worth the price? +
At $289, Seasonic Vertex PX-1200 delivers a Specdex score of 93 — strongest in efficiency.
Does Seasonic PRIME TX-1300 or Seasonic Vertex PX-1200 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.