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AMD Radeon RX 7900M vs NVIDIA Inno3D iChill X3 GeForce RTX 5090: Comparison
AMD Radeon RX 7900M and NVIDIA Inno3D iChill X3 GeForce RTX 5090 separate most on tdp: AMD Radeon RX 7900M at 175 W, NVIDIA Inno3D iChill X3 GeForce RTX 5090 at 575 W, 229% in favour of AMD Radeon RX 7900M. VRAM splits them by another 50%, this time favouring NVIDIA Inno3D iChill X3 GeForce RTX 5090. They match on tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon RX 7000 | GeForce RTX 50 |
| Board Partner | OEM (varies by laptop model) | Inno3D |
| VRAM | 16 GB-50% | 32 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR7 |
| Ray Tracing Support | true | true |
| TDP | 175 W | 575 W-229% |
| Architecture | RDNA 3 (Navi 31) | Blackwell (GB202) |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3.5 |
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 Inno3D iChill X3 GeForce RTX 5090
9 / 10 Expert Rating
A solid mid-premium 5090 with Inno3D's iChill cooling heritage, positioned between reference pricing and the most extreme board-partner cards.
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