be quiet! - Pure Power 12 M 850W vs Seasonic - PRIME TX-1300 Noctua
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | be quiet! - Pure Power 12 M 850W | Seasonic - PRIME TX-1300 Noctua |
|---|---|---|
| Wattage | 850 W | 1300 W |
| Warranty | 10 yrs | 12 yrs |
| Efficiency | 80+ Gold | 80+ Titanium |
Between the Pure Power 12 M 850W and PRIME TX-1300 Noctua, the Pure Power 12 M 850W comes out ahead in several specs, while the PRIME TX-1300 Noctua wins on wattage / warranty. Overall, the Pure Power 12 M 850W scores 80.3 and the PRIME TX-1300 Noctua scores 91.5 on our Mars Score.
Which should you buy?
The PRIME TX-1300 Noctua is the clear pick on raw spec strength, leading by 11.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The Pure Power 12 M 850W does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the PRIME TX-1300 Noctua if you care most about wattage / warranty. Its strongest claims are wattage, warranty, efficiency. The single most decisive one: Wattage — 52.94% more. 1300 W vs 850 W.
Both ship with comparable modular, atx 3.0 / 12vhpwr, so those specs do not separate the two — focus on the differences below.
Bottom line: the PRIME TX-1300 Noctua is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: be quiet! - Pure Power 12 M 850W or Seasonic - PRIME TX-1300 Noctua?
Seasonic - PRIME TX-1300 Noctua leads the current Mars Score by 11.2 points.The more useful decision is the trade-off behind that result: compare wattage, efficiency against the way you will actually use the product.
Choose be quiet! - Pure Power 12 M 850W if…
be quiet! - Pure Power 12 M 850W does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Seasonic - PRIME TX-1300 Noctua if…
Seasonic - PRIME TX-1300 Noctua has the measurable edge on wattage w, warranty years, efficiency.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why be quiet! - Pure Power 12 M 850W wins
- No decisive advantages.
Why Seasonic - PRIME TX-1300 Noctua wins
- ▲Wattage — 52.94% more. 1300 W vs 850 W.
- ▲Warranty — 2.00 yrs more. 12 vs 10.
- ▲Efficiency: 80+ Titanium (vs 80+ Gold).
Spec comparison
Spec
| Spec | be quiet! - Pure Power 12 M 850W | Seasonic - PRIME TX-1300 Noctua |
|---|---|---|
| Wattage | 850 W | 1300 Wlead |
| Efficiency | 80+ Gold | 80+ Titaniumlead |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Pure Power 12 M 850W | Seasonic - PRIME TX-1300 Noctua |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 12 yrslead |