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AMD ASUS TUF Gaming OC Radeon RX 6800 XT vs NVIDIA Gainward Phantom GS GeForce RTX 5080: Comparison
AMD ASUS TUF Gaming OC Radeon RX 6800 XT and NVIDIA Gainward Phantom GS GeForce RTX 5080 separate most on boost clock: AMD ASUS TUF Gaming OC Radeon RX 6800 XT at 2340 MHz, NVIDIA Gainward Phantom GS GeForce RTX 5080 at 2640 MHz, 11% in favour of NVIDIA Gainward Phantom GS GeForce RTX 5080. Card Length splits them by another 5%, this time favouring AMD ASUS TUF Gaming OC Radeon RX 6800 XT. They match on vram and slot width. In Blender Cycles (GPU) the NVIDIA Gainward Phantom GS GeForce RTX 5080 scores 9,138 against 2,406 for the AMD ASUS TUF Gaming OC Radeon RX 6800 XT, a lead of 74%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 6000 | GeForce RTX 50 |
| Board Partner | ASUS | Gainward |
| VRAM | 16 GB | 16 GB |
| Tier | High End | High-End |
| Memory Type | GDDR6 | GDDR7 |
| Boost Clock | 2340 MHz-11% | 2640 MHz |
| Ray Tracing Support | Yes | true |
| Architecture | RDNA 2 | Blackwell (GB203) |
| Card Length | 320 mm | 336 mm-5% |
| Slot Width | 3 | 3 |
| MSRP | 649 | 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 ASUS TUF Gaming OC Radeon RX 6800 XT
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.
NVIDIA Gainward Phantom GS GeForce RTX 5080
8 / 10 Expert Rating
A capable high-end 5080 continuing Gainward's Phantom cooling line, best suited to buyers in the European and Asian markets where Gainward is well distributed.
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