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AMD Radeon RX 6800M vs NVIDIA Gainward Phantom GS GeForce RTX 5080: Comparison
AMD Radeon RX 6800M and NVIDIA Gainward Phantom GS GeForce RTX 5080 separate most on tdp: AMD Radeon RX 6800M at 145 W, NVIDIA Gainward Phantom GS GeForce RTX 5080 at 360 W, 148% in favour of AMD Radeon RX 6800M. VRAM splits them by another 25%, this time favouring NVIDIA Gainward Phantom GS GeForce RTX 5080. They match on tier and ray tracing support. In Blender Cycles (GPU) the NVIDIA Gainward Phantom GS GeForce RTX 5080 scores 9,138 against 1,337 for the AMD Radeon RX 6800M, a lead of 85%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 6000 | GeForce RTX 50 |
| Board Partner | OEM (varies by laptop model) | Gainward |
| VRAM | 12 GB-25% | 16 GB |
| Tier | High-End | High-End |
| Memory Type | GDDR6 | GDDR7 |
| Ray Tracing Support | true | true |
| TDP | 145 W | 360 W-148% |
| Architecture | RDNA 2 | Blackwell (GB203) |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3 |
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 6800M
6.8 / 10 Expert Rating
A value-focused secondhand rasterization performer for gamers not chasing ray tracing.
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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