Seasonic
Seasonic Vertex PX-1200
1200 W · 80+ Platinum · ATX 3.0
93
/ 100
From $289
VS
Seasonic Prime TX-1600 wins by 2
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, Seasonic Vertex PX-1200 lands at 93 and Seasonic Prime TX-1600 at 95. That puts Seasonic Prime TX-1600 ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Seasonic Vertex PX-1200 if…
- ✓Rock-solid ripple
- ✓Platinum efficiency
- ✓Long 12-year warranty
Pick Seasonic Prime TX-1600 if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Score breakdown
Seasonic Vertex PX-1200
93 efficiency 96
noise 92
cables 90
value 86
Seasonic Prime TX-1600
95 efficiency 95
noise 86
cables 86
value 84
Specs side-by-side
Spec
Seasonic Vertex PX-1200
Seasonic Prime TX-1600
Wattage
1200 W
1600 W
Efficiency
80+ Platinum
Titanium
Standard
ATX 3.0
—
Connectors
1× 16-pin 12VHPWR (600W)
—
Seasonic Vertex PX-1200
Pros
- +Rock-solid ripple
- +Platinum efficiency
- +Long 12-year warranty
Cons
- −Heavy at 2.6 kg
- −Expensive
- −Cables stiff
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: Seasonic Vertex PX-1200 vs Seasonic Prime TX-1600
Which is better, Seasonic Vertex PX-1200 or Seasonic Prime TX-1600? +
Seasonic Prime TX-1600 scores 95 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Seasonic Vertex PX-1200 worth the price? +
At $289, Seasonic Vertex PX-1200 delivers a Specdex score of 93 — 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 Seasonic Vertex PX-1200 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.