Seasonic
Seasonic Focus GX-850
850 W · Gold
88
/ 100
From $149
VS
NZXT C1500 Platinum wins by 3
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
| 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.