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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 7
Seasonic Focus GX-850 — 850 W · Gold
Seasonic

Seasonic Focus GX-850

850 W · Gold

88
/ 100
From $149
Specdex verdict

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

In our weighted Specdex score, Seasonic Prime TX-1600 lands at 95 and Seasonic Focus GX-850 at 88. That puts Seasonic Prime TX-1600 ahead by 7 points — a decisive 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 Seasonic Focus GX-850 if…

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

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

Efficiency

Seasonic Prime TX-1600

Compared on the efficiency sub-score

Seasonic Prime TX-1600 leads on efficiency (95 vs 88).

Noise

Tie

Compared on the noise sub-score

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

Cables

Tie

Compared on the cables sub-score

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

Value for money

Seasonic Focus GX-850

Specdex score per dollar at MSRP

Seasonic Focus GX-850 more score per dollar ($149 vs $549).

Seasonic Prime TX-1600 95
vs
88 Seasonic Focus GX-850

Score breakdown

Seasonic Prime TX-1600
95
efficiency 95
noise 86
cables 86
value 84
Seasonic Focus GX-850
88
efficiency 88
noise 86
cables 86
value 84

Specs side-by-side

Seasonic Prime TX-1600 versus Seasonic Focus GX-850 — full spec comparison
Spec Seasonic Prime TX-1600 Seasonic Focus GX-850
Wattage
1600 W
850 W
Efficiency
Titanium
Gold

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

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

FAQ: Seasonic Prime TX-1600 vs Seasonic Focus GX-850

Which is better, Seasonic Prime TX-1600 or Seasonic Focus GX-850? +

Seasonic Prime TX-1600 scores 95 on our weighted rubric — ahead by 7. 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 Seasonic Focus GX-850 worth the price? +

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

Does Seasonic Prime TX-1600 or Seasonic Focus GX-850 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 efficiency, Seasonic Prime TX-1600 or Seasonic Focus GX-850? +

Seasonic Prime TX-1600 — leads on efficiency (95 vs 88). Compared on the efficiency sub-score.

Which is the better value, Seasonic Prime TX-1600 or Seasonic Focus GX-850? +

Seasonic Focus GX-850 — more score per dollar ($149 vs $549). Specdex score per dollar at MSRP.