Buy the GIGABYTE Radeon RX 9070 XT Gaming OC 16G Graphics Card.

The 5080 wins the benchmark chart, the 9070 XT wins the actual decision.

What was compared

1. You pay $750 extra for frames you won't feel
The 5080 Ventus lists at $1,679.99 against the 9070 XT's $929.99, an 81% premium. Independent 1440p and 4K testing puts the 5080 only 6-12% ahead, a gap you feel in a benchmark, not in a match.
2. Same 16GB ceiling without the NVIDIA tax
Both cards carry 16GB of memory, GDDR7 on the 5080 and GDDR6 on the 9070 XT, so your texture headroom for the next few years of games is identical either way. You are paying $750 more for a ceiling you already have.
3. Covered a full year longer if it dies
Gigabyte backs this card with a 4-year warranty, a year past the standard 3-year term most MSI Ventus cards carry. That is free repair coverage stretching deeper into the card's life at no extra cost.
4. Skips the cooler gripes haunting the Ventus line
Owner threads and reviewers specifically flag the 5080 Ventus 3X with titles like '10 Reasons Not to Buy' and call the cooler line overpriced for what it does. 9070 XT Gaming OC owners instead report months of quiet, trouble-free use.
5. Yes, the 5080 hits harder. Save the $750 anyway.
The 5080's 960GB/s bandwidth and DLSS4 frame gen do give it real ray-tracing and upscaling headroom over FSR. Unless you are chasing max path-traced ray tracing in a handful of showcase titles, that edge won't show up in ordinary 1440p gaming, and we don't think that's most buyers.