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Seasonic Prime TX-1600 — 1600 W · Titanium
Seasonic

Seasonic Prime TX-1600

1600 W · Titanium

95
/ 100
From $549
VS
Seasonic Prime TX-1600 wins by 4
NZXT C1500 Platinum — 1500 W · Platinum · ATX 3.1
NZXT

NZXT C1500 Platinum

1500 W · Platinum · ATX 3.1

91
/ 100
From $349
Specdex verdict

Seasonic Prime TX-1600 takes it — here’s why.

In our weighted Specdex score, Seasonic Prime TX-1600 lands at 95 and NZXT C1500 Platinum at 91. That puts Seasonic Prime TX-1600 ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Seasonic Prime TX-1600 if…

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

Pick NZXT C1500 Platinum if…

  • ✓Massive 1500 W headroom
  • ✓ATX 3.1 12V-2x6
  • ✓CAM software monitoring
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Efficiency

Tie

Compared on the efficiency sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Cables

NZXT C1500 Platinum

Compared on the cables sub-score

NZXT C1500 Platinum leads on cables (92 vs 86).

Noise

NZXT C1500 Platinum

Compared on the noise sub-score

NZXT C1500 Platinum leads on noise (88 vs 86).

Value for money

NZXT C1500 Platinum

Specdex score per dollar at MSRP

NZXT C1500 Platinum more score per dollar ($349 vs $549).

Seasonic Prime TX-1600 95
vs
91 NZXT C1500 Platinum

Score breakdown

Seasonic Prime TX-1600
95
efficiency 95
noise 86
cables 86
value 84
NZXT C1500 Platinum
91
efficiency 94
noise 88
cables 92
value 86

Specs side-by-side

Seasonic Prime TX-1600 versus NZXT C1500 Platinum — full spec comparison
Spec Seasonic Prime TX-1600 NZXT C1500 Platinum
Wattage
1600 W
1500 W
Efficiency
Titanium
80+ Platinum
Standard
—
ATX 3.1
Connectors
—
1× 12V-2x6 (600W)

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

NZXT C1500 Platinum

Pros
  • +Massive 1500 W headroom
  • +ATX 3.1 12V-2x6
  • +CAM software monitoring
Cons
  • −Overkill for most builds
  • −Expensive
  • −Fan a hair loud at max

FAQ: Seasonic Prime TX-1600 vs NZXT C1500 Platinum

Which is better, Seasonic Prime TX-1600 or NZXT C1500 Platinum? +

Seasonic Prime TX-1600 scores 95 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Seasonic Prime TX-1600 worth the price? +

At $549, Seasonic Prime TX-1600 delivers a Specdex score of 95 — strongest in efficiency.

Is NZXT C1500 Platinum worth the price? +

At $349, NZXT C1500 Platinum delivers a Specdex score of 91 — strongest in efficiency.

Does Seasonic Prime TX-1600 or NZXT C1500 Platinum 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.

Which is better for cables, Seasonic Prime TX-1600 or NZXT C1500 Platinum? +

NZXT C1500 Platinum — leads on cables (92 vs 86). Compared on the cables sub-score.

Which is better for noise, Seasonic Prime TX-1600 or NZXT C1500 Platinum? +

NZXT C1500 Platinum — leads on noise (88 vs 86). Compared on the noise sub-score.