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NVIDIA ASUS TUF Gaming OC GeForce RTX 3080 vs NVIDIA Gainward Phantom GS GeForce RTX 5080: Comparison
NVIDIA ASUS TUF Gaming OC GeForce RTX 3080 and NVIDIA Gainward Phantom GS GeForce RTX 5080 separate most on vram: NVIDIA ASUS TUF Gaming OC GeForce RTX 3080 at 10 GB, NVIDIA Gainward Phantom GS GeForce RTX 5080 at 16 GB, 38% in favour of NVIDIA Gainward Phantom GS GeForce RTX 5080. Boost Clock splits them by another 31%, again favouring NVIDIA Gainward Phantom GS GeForce RTX 5080. In Blender Cycles (GPU) the NVIDIA Gainward Phantom GS GeForce RTX 5080 scores 9,138 against 4,529 for the NVIDIA ASUS TUF Gaming OC GeForce RTX 3080, a lead of 50%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce RTX 30 | GeForce RTX 50 |
| Board Partner | ASUS | Gainward |
| VRAM | 10 GB-37% | 16 GB |
| Tier | High End | High-End |
| Memory Type | GDDR6X | GDDR7 |
| Boost Clock | 1815 MHz-31% | 2640 MHz |
| Ray Tracing Support | Yes | true |
| Architecture | Ampere | Blackwell (GB203) |
| Card Length | 300 mm | 336 mm-12% |
| MSRP | 699 | 999 |
| CUDA Cores | 8704 | 10752 |
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
NVIDIA ASUS TUF Gaming OC GeForce RTX 3080
8 / 10 Expert Rating
A solid high-end pick if its price and 10GB 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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