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AMD Radeon Pro W6800X vs AMD Radeon RX 7900 XT: Comparison
AMD Radeon Pro W6800X and AMD Radeon RX 7900 XT separate most on vram: AMD Radeon Pro W6800X at 32 GB, AMD Radeon RX 7900 XT at 20 GB, 38% in favour of AMD Radeon Pro W6800X. TDP splits them by another 26%, again favouring AMD Radeon Pro W6800X. They match on gpu brand and memory type.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | AMD |
| Series | Radeon Pro W6000 | Radeon RX 7000 |
| Board Partner | Apple (Mac Pro exclusive) | Reference |
| VRAM | 32 GB | 20 GB-37% |
| Tier | High-End | High End |
| Memory Type | GDDR6 | GDDR6 |
| Boost Clock | 2015 MHz-16% | 2400 MHz |
| Ray Tracing Support | true | Yes |
| TDP | 250 W | 315 W-26% |
| Architecture | RDNA 2 | RDNA 3 |
| Card Length | 267 mm | 276 mm-3% |
| Slot Width | 2 | 2.5-25% |
| Memory Bus Width | 256 bit-20% | 320 bit |
| Stream Processors | 3840 | 5376 |
Verdict
AMD Radeon Pro W6800X
6.2 / 10 Expert Rating
A sensible mid-tier Mac Pro GPU option offering the same VRAM as the flagship for less; still platform-locked with no upgrade path outside that one machine.
AMD Radeon RX 7900 XT
8 / 10 Expert Rating
A solid high-end pick if its price and 20GB VRAM allocation match your target resolution.
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