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NVIDIA Gainward Phantom GS GeForce RTX 5080 vs NVIDIA GeForce RTX 3080 Ti: Comparison
NVIDIA Gainward Phantom GS GeForce RTX 5080 and NVIDIA GeForce RTX 3080 Ti separate most on slot width: NVIDIA Gainward Phantom GS GeForce RTX 5080 at 3, NVIDIA GeForce RTX 3080 Ti at 2, 50% in favour of NVIDIA GeForce RTX 3080 Ti. Boost Clock splits them by another 37%, this time favouring NVIDIA Gainward Phantom GS GeForce RTX 5080. They match on gpu brand, tier and ray tracing support. In Blender Cycles (GPU) the NVIDIA Gainward Phantom GS GeForce RTX 5080 scores 9,138 against 5,316 for the NVIDIA GeForce RTX 3080 Ti, a lead of 42%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce RTX 50 | GeForce RTX 30 |
| Board Partner | Gainward | Reference / Founders Edition |
| VRAM | 16 GB | 12 GB-25% |
| Tier | High-End | High-End |
| Memory Type | GDDR7 | GDDR6X |
| Boost Clock | 2640 MHz | 1665 MHz-37% |
| Ray Tracing Support | true | true |
| TDP | 360 W-3% | 350 W |
| Architecture | Blackwell (GB203) | Ampere (GA102) |
| Card Length | 336 mm-7% | 313 mm |
| Slot Width | 3-50% | 2 |
| MSRP | 999 | 1199 |
| CUDA Cores | 10752 | 10240 |
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 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.
NVIDIA GeForce RTX 3080 Ti
8 / 10 Expert Rating
A solid high-end pick if its price and 12GB VRAM allocation match your target resolution.
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