be quiet! - Dark Power Pro 13 1300W vs Corsair - RM1200x SHIFT
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | be quiet! - Dark Power Pro 13 1300W | Corsair - RM1200x SHIFT |
|---|---|---|
| Wattage | 1300 W | 1200 W |
| Efficiency | 80+ Titanium | 80+ Gold |
Between the Dark Power Pro 13 1300W and RM1200x SHIFT, the Dark Power Pro 13 1300W comes out ahead in wattage / efficiency, while the RM1200x SHIFT wins on several specs. Overall, the Dark Power Pro 13 1300W scores 91.5 and the RM1200x SHIFT scores 84.5 on our Mars Score.
Which should you buy?
The Dark Power Pro 13 1300W edges ahead on the Mars Score (91.5 vs 84.5), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Dark Power Pro 13 1300W if you care most about wattage / efficiency. The biggest gaps in its favor are wattage, efficiency. The single most decisive one: Wattage — 8.33% more. 1300 W vs 1200 W.
The RM1200x SHIFT similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable modular, atx 3.0 / 12vhpwr, warranty, so those specs do not separate the two — focus on the differences below.
Bottom line: the Dark Power Pro 13 1300W 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! - Dark Power Pro 13 1300W or Corsair - RM1200x SHIFT?
be quiet! - Dark Power Pro 13 1300W leads the current Mars Score by 7.0 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! - Dark Power Pro 13 1300W if…
be quiet! - Dark Power Pro 13 1300W has the measurable edge on wattage w, efficiency.
Choose Corsair - RM1200x SHIFT if…
Corsair - RM1200x SHIFT does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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! - Dark Power Pro 13 1300W wins
- ▲Wattage — 8.33% more. 1300 W vs 1200 W.
- ▲Efficiency: 80+ Titanium (vs 80+ Gold).
Why Corsair - RM1200x SHIFT wins
- No decisive advantages.
Spec comparison
Spec
| Spec | be quiet! - Dark Power Pro 13 1300W | Corsair - RM1200x SHIFT |
|---|---|---|
| Wattage | 1300 Wlead | 1200 W |
| Efficiency | 80+ Titaniumlead | 80+ Gold |
| Form factor | ATX | ATX |
Features
| Spec | be quiet! - Dark Power Pro 13 1300W | Corsair - RM1200x SHIFT |
|---|---|---|
| Modular | full | full |
| ATX 3.0 / 12VHPWR | true | true |
| Warranty | 10 yrs | 10 yrs |