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AMD Radeon RX 7900 XT vs AMD Sapphire Nitro+ Radeon RX 6800 XT: Comparison
AMD Radeon RX 7900 XT and AMD Sapphire Nitro+ Radeon RX 6800 XT separate most on vram: AMD Radeon RX 7900 XT at 20 GB, AMD Sapphire Nitro+ Radeon RX 6800 XT at 16 GB, 20% in favour of AMD Radeon RX 7900 XT. TDP splits them by another 5%, this time favouring AMD Sapphire Nitro+ Radeon RX 6800 XT. They match on gpu brand, memory type and slot width. In Blender Cycles (GPU) the AMD Radeon RX 7900 XT scores 3,626 against 2,406 for the AMD Sapphire Nitro+ Radeon RX 6800 XT, a lead of 34%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | AMD | AMD |
| Series | Radeon RX 7000 | Radeon RX 6000 |
| Board Partner | Reference | Sapphire |
| VRAM | 20 GB | 16 GB-20% |
| Tier | High End | High-End |
| Memory Type | GDDR6 | GDDR6 |
| Boost Clock | 2400 MHz | 2310 MHz-4% |
| Ray Tracing Support | Yes | true |
| TDP | 315 W-5% | 300 W |
| Architecture | RDNA 3 | RDNA 2 (Navi 21) |
| Card Length | 276 mm | 286 mm-4% |
| Slot Width | 2.5 | 2.5 |
| MSRP | 749 | 649 |
| Stream Processors | 5376 | 4608 |
Benchmarks
Measured results, not specifications. Percentages are the gap to the leading product in each test.
Blender Cycles (GPU)
Blender 4.5, Blender Open Data (CC0). Median of monster + junkshop + classroom, combined samples/min.
Blender renders 3D scenes by tracing light through them, which loads every shader unit on the card at once. The score measures sustained render throughput, so it tells you what a card does in Cycles and similar renderers rather than what it does in a game. Figures come from Blender's Open Data project, which places no restriction on reuse, and we publish the median of every submission for that card on the same Blender version.
Verdict
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.
AMD Sapphire Nitro+ Radeon RX 6800 XT
8 / 10 Expert Rating
A solid high-end pick if its price and 16GB VRAM allocation match your target resolution.
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