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AMD Radeon RX 7900 XT vs NVIDIA Gigabyte Gaming OC GeForce RTX 5080: Comparison
AMD Radeon RX 7900 XT and NVIDIA Gigabyte Gaming OC GeForce RTX 5080 separate most on card length: AMD Radeon RX 7900 XT at 276 mm, NVIDIA Gigabyte Gaming OC GeForce RTX 5080 at 336 mm, 22% in favour of AMD Radeon RX 7900 XT. VRAM splits them by another 20%, again favouring AMD Radeon RX 7900 XT. They match on tier and ray tracing support. In Blender Cycles (GPU) the NVIDIA Gigabyte Gaming OC GeForce RTX 5080 scores 9,138 against 3,626 for the AMD Radeon RX 7900 XT, a lead of 60%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 7000 | GeForce RTX 50 |
| Board Partner | AMD Reference | Gigabyte |
| VRAM | 20 GB | 16 GB-20% |
| Tier | High-End | High-End |
| Memory Type | GDDR6 | GDDR7 |
| Boost Clock | 2400 MHz-10% | 2655 MHz |
| Ray Tracing Support | true | true |
| TDP | 315 W | 360 W-14% |
| Architecture | RDNA 3 (Navi 31) | Blackwell (GB203) |
| Card Length | 276 mm | 336 mm-22% |
| Slot Width | 2.5 | 3-20% |
| MSRP | 749 | 999 |
Benchmarks
Measured results, not specifications. Percentages are the gap to the leading product in each test.
Blender Cycles (GPU)
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Blender renders 3D scenes by tracing light through them, which loads every shader unit on the card at once. The score measures sustained render throughput, so it tells you what a card does in Cycles and similar renderers rather than what it does in a game. Figures come from Blender's Open Data project, which places no restriction on reuse, and we publish the median of every submission for that card on the same Blender version.
Verdict
AMD Radeon RX 7900 XT
8 / 10 Expert Rating
A solid high-end pick if its price and 20GB VRAM allocation match your target resolution.
NVIDIA Gigabyte Gaming OC GeForce RTX 5080
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.
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