Cooler Master - V Gold 1300W V2 (ATX 3.0) vs Seasonic - VERTEX GX-1200

The V Gold 1300W V2 (ATX 3.0) 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 V Gold 1300W V2 (ATX 3.0) if you care most about wattage. The biggest gaps in its favor are wattage.

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

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: 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.