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AMD Radeon RX 6700S vs NVIDIA Gainward Phantom GS GeForce RTX 5080: Comparison
AMD Radeon RX 6700S and NVIDIA Gainward Phantom GS GeForce RTX 5080 separate most on tdp: AMD Radeon RX 6700S at 135 W, NVIDIA Gainward Phantom GS GeForce RTX 5080 at 360 W, 167% in favour of AMD Radeon RX 6700S. VRAM splits them by another 38%, this time favouring NVIDIA Gainward Phantom GS GeForce RTX 5080. They match on tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 6000 | GeForce RTX 50 |
| Board Partner | OEM (varies by laptop model) | Gainward |
| VRAM | 10 GB-37% | 16 GB |
| Tier | High-End | High-End |
| Memory Type | GDDR6 | GDDR7 |
| Ray Tracing Support | true | true |
| TDP | 135 W | 360 W-167% |
| Architecture | RDNA 2 | Blackwell (GB203) |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3 |
Verdict
AMD Radeon RX 6700S
6.7 / 10 Expert Rating
A distinctive, capable chip best known for its unusual external-module deployment in the ASUS ROG Flow Z13.
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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