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AMD Radeon RX 7900M vs NVIDIA Gainward Phoenix GeForce RTX 3090: Comparison
AMD Radeon RX 7900M and NVIDIA Gainward Phoenix GeForce RTX 3090 separate most on tdp: AMD Radeon RX 7900M at 175 W, NVIDIA Gainward Phoenix GeForce RTX 3090 at 350 W, 100% in favour of AMD Radeon RX 7900M. VRAM splits them by another 33%, this time favouring NVIDIA Gainward Phoenix GeForce RTX 3090. They match on tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 7000 | GeForce RTX 30 |
| Board Partner | OEM (varies by laptop model) | Gainward |
| VRAM | 16 GB-33% | 24 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR6X |
| Ray Tracing Support | true | true |
| TDP | 175 W | 350 W-100% |
| Architecture | RDNA 3 (Navi 31) | Ampere (GA102) |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3 |
Verdict
AMD Radeon RX 7900M
7.8 / 10 Expert Rating
A strong rasterization performer for gamers who don't lean heavily on ray tracing and want AMD's mobile flagship.
NVIDIA Gainward Phoenix GeForce RTX 3090
9 / 10 Expert Rating
A solid flagship pick if its price and 24GB VRAM allocation match your target resolution.
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