be quiet! - Dark Power Pro 13 1300W vs Seasonic - VERTEX GX-1200

The Dark Power Pro 13 1300W edges ahead on the Mars Score (82 vs 77.5), but the 4.5-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 and efficiency. The biggest gaps in its favor are wattage, efficiency.

Pick the VERTEX GX-1200 if you care most about warranty. Its strongest claims are warranty.

Both ship with comparable modular, atx 3.0 / 12vhpwr, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.