be quiet! - Pure Power 12 M 850W vs Thermaltake - Toughpower GF3 1200W
Between the Pure Power 12 M 850W and Toughpower GF3 1200W, the Pure Power 12 M 850W comes out ahead in several specs, while the Toughpower GF3 1200W wins on wattage. Overall, the Pure Power 12 M 850W scores 61.1 and the Toughpower GF3 1200W scores 77.5 on our Mars Score.
Which should you buy?
The Toughpower GF3 1200W is the clear pick on raw spec strength, leading by 16.4 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 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the Toughpower GF3 1200W if you care most about wattage. Its strongest claims are wattage.
Both ship with comparable efficiency, modular, atx 3.0 / 12vhpwr, so those specs don't separate the two — focus on the differences below.
Bottom line: the Toughpower GF3 1200W is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why be quiet! - Pure Power 12 M 850W wins
- No decisive advantages.
Why Thermaltake - Toughpower GF3 1200W wins
- ▲Wattage — 41.18% more. 1200 W vs 850 W.
Spec comparison
Spec
| Spec | be quiet! - Pure Power 12 M 850W | Thermaltake - Toughpower GF3 1200W |
|---|---|---|
| Wattage | 850 W | 1200 Wlead |
| Efficiency | 80+ Gold | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Pure Power 12 M 850W | Thermaltake - Toughpower GF3 1200W |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |
Frequently asked
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.