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AMD Radeon Pro W6900X vs NVIDIA ASUS ROG Strix OC GeForce RTX 4090: Comparison
AMD Radeon Pro W6900X and NVIDIA ASUS ROG Strix OC GeForce RTX 4090 separate most on slot width: AMD Radeon Pro W6900X at 2, NVIDIA ASUS ROG Strix OC GeForce RTX 4090 at 3.5, 75% in favour of AMD Radeon Pro W6900X. Card Length splits them by another 34%, again favouring AMD Radeon Pro W6900X.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | NVIDIA |
| Series | Radeon Pro W6000 | GeForce RTX 40 |
| Board Partner | Apple (Mac Pro exclusive) | ASUS |
| VRAM | 32 GB | 24 GB-25% |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR6X |
| Boost Clock | 2250 MHz-15% | 2640 MHz |
| Ray Tracing Support | true | Yes |
| Architecture | RDNA 2 | Ada Lovelace |
| Card Length | 267 mm | 358 mm-34% |
| Slot Width | 2 | 3.5-75% |
| Memory Bus Width | 256 bit-33% | 384 bit |
Verdict
AMD Radeon Pro W6900X
6.5 / 10 Expert Rating
The best GPU Apple ever offered for the Intel Mac Pro, but a dead-end platform-locked product with no upgrade path outside that one machine.
NVIDIA ASUS ROG Strix OC GeForce RTX 4090
9 / 10 Expert Rating
A solid flagship pick if its price and 24GB VRAM allocation match your target resolution.
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