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Seasonic Focus GX-850 — 850 W · Gold
Seasonic

Seasonic Focus GX-850

850 W · Gold

88
/ 100
From $149
VS
NZXT C1500 Platinum wins by 3
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

NZXT C1500 Platinum takes it — here’s why.

In our weighted Specdex score, Seasonic Focus GX-850 lands at 88 and NZXT C1500 Platinum at 91. That puts NZXT C1500 Platinum ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Seasonic Focus GX-850 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
Seasonic Focus GX-850 88
vs
91 NZXT C1500 Platinum

Score breakdown

Seasonic Focus GX-850
88
efficiency 88
noise 86
cables 86
value 84
NZXT C1500 Platinum
91
efficiency 94
noise 88
cables 92
value 86

Specs side-by-side

Seasonic Focus GX-850 versus NZXT C1500 Platinum — full spec comparison
Spec Seasonic Focus GX-850 NZXT C1500 Platinum
Wattage
850 W
1500 W
Efficiency
Gold
80+ Platinum
Standard
ATX 3.1
Connectors
1× 12V-2x6 (600W)

Seasonic Focus GX-850

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 Focus GX-850 vs NZXT C1500 Platinum

Which is better, Seasonic Focus GX-850 or NZXT C1500 Platinum? +

NZXT C1500 Platinum scores 91 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Seasonic Focus GX-850 worth the price? +

At $149, Seasonic Focus GX-850 delivers a Specdex score of 88 — 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 Focus GX-850 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.