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NVIDIA RTX PRO 5000 72GB Blackwell vs AMD PowerColor Red Devil Radeon RX 6900 XT: Comparison
NVIDIA RTX PRO 5000 72GB Blackwell and AMD PowerColor Red Devil Radeon RX 6900 XT separate most on vram: NVIDIA RTX PRO 5000 72GB Blackwell at 72 GB, AMD PowerColor Red Devil Radeon RX 6900 XT at 16 GB, 78% in favour of NVIDIA RTX PRO 5000 72GB Blackwell. Slot Width splits them by another 50%, again favouring NVIDIA RTX PRO 5000 72GB Blackwell. They match on tier, ray tracing support and tdp.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | AMD |
| Series | RTX PRO Blackwell | Radeon RX 6000 |
| Board Partner | NVIDIA Reference (workstation, no AIB partners) | PowerColor |
| VRAM | 72 GB | 16 GB-78% |
| Tier | Flagship | Flagship |
| Memory Type | GDDR7 | GDDR6 |
| Boost Clock | 2410 MHz | 2340 MHz-3% |
| Ray Tracing Support | true | true |
| TDP | 300 W | 300 W |
| Architecture | Blackwell | RDNA 2 (Navi 21) |
| Card Length | 267 mm | 320 mm-20% |
| Slot Width | 2 | 3-50% |
| MSRP | 6999 | 999 |
Verdict
NVIDIA RTX PRO 5000 72GB Blackwell
8.8 / 10 Expert Rating
A smart memory-capacity-focused variant - genuinely useful for teams whose bottleneck is VRAM rather than compute, at meaningfully lower power draw than the flagship.
AMD PowerColor Red Devil Radeon RX 6900 XT
9 / 10 Expert Rating
A solid flagship pick if its price and 16GB VRAM allocation match your target resolution.
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