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NVIDIA RTX PRO 4500 Blackwell vs AMD Sapphire Nitro+ Radeon RX 6800: Comparison
NVIDIA RTX PRO 4500 Blackwell and AMD Sapphire Nitro+ Radeon RX 6800 separate most on vram: NVIDIA RTX PRO 4500 Blackwell at 32 GB, AMD Sapphire Nitro+ Radeon RX 6800 at 16 GB, 50% in favour of NVIDIA RTX PRO 4500 Blackwell. TDP splits them by another 25%, again favouring NVIDIA RTX PRO 4500 Blackwell. They match on tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | AMD |
| Series | RTX PRO Blackwell | Radeon RX 6000 |
| Board Partner | NVIDIA Reference (workstation, no AIB partners) | Sapphire |
| VRAM | 32 GB | 16 GB-50% |
| Tier | High-End | High-End |
| Memory Type | GDDR7 | GDDR6 |
| Boost Clock | 2400 MHz | 2170 MHz-10% |
| Ray Tracing Support | true | true |
| TDP | 200 W | 250 W-25% |
| Architecture | Blackwell | RDNA 2 (Navi 21) |
| Card Length | 267 mm | 286 mm-7% |
| Slot Width | 2 | 2.5-25% |
| MSRP | 3200 | 579 |
Verdict
NVIDIA RTX PRO 4500 Blackwell
8.3 / 10 Expert Rating
A strong mid-to-high-end workstation card - the VRAM and generational uplift over Ampere-class RTX A5000/A5500 cards make it worth the jump for pro-viz and AI work.
AMD Sapphire Nitro+ Radeon RX 6800
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.
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