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NVIDIA GeForce RTX 4090 D vs AMD Sapphire Nitro+ Radeon RX 7900 XTX: Comparison
NVIDIA GeForce RTX 4090 D and AMD Sapphire Nitro+ Radeon RX 7900 XTX separate most on slot width: NVIDIA GeForce RTX 4090 D at 3.5, AMD Sapphire Nitro+ Radeon RX 7900 XTX at 2.5, 40% in favour of AMD Sapphire Nitro+ Radeon RX 7900 XTX. TDP splits them by another 20%, again favouring AMD Sapphire Nitro+ Radeon RX 7900 XTX. They match on vram, tier and ray tracing support. In Blender Cycles (GPU) the NVIDIA GeForce RTX 4090 D scores 11,062 against 4,338 for the AMD Sapphire Nitro+ Radeon RX 7900 XTX, a lead of 61%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | AMD |
| Series | GeForce RTX 40 | Radeon RX 7000 |
| Board Partner | NVIDIA Reference (China-market AIB partners: ASUS, MSI, Gigabyte, Colorful, Galax) | Sapphire |
| VRAM | 24 GB | 24 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6X | GDDR6 |
| Boost Clock | 2280 MHz-11% | 2565 MHz |
| Ray Tracing Support | true | true |
| TDP | 425 W-20% | 355 W |
| Architecture | Ada Lovelace | RDNA 3 (Navi 31) |
| Card Length | 304 mm | 320 mm-5% |
| Slot Width | 3.5-40% | 2.5 |
| MSRP | 1599 | 999 |
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
NVIDIA GeForce RTX 4090 D
8.7 / 10 Expert Rating
A slightly cut-down RTX 4090 that's now been succeeded by the RTX 5090 D - still a very fast card for anyone who already owns one or finds one at a discount.
AMD Sapphire Nitro+ Radeon RX 7900 XTX
9 / 10 Expert Rating
A solid flagship pick if its price and 24GB VRAM allocation match your target resolution.
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