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NVIDIA ASUS ROG Strix OC GeForce RTX 4090 vs NVIDIA Inno3D iChill X3 GeForce RTX 5090: Comparison
NVIDIA ASUS ROG Strix OC GeForce RTX 4090 and NVIDIA Inno3D iChill X3 GeForce RTX 5090 separate most on memory bandwidth: NVIDIA ASUS ROG Strix OC GeForce RTX 4090 at 1008 GB/s, NVIDIA Inno3D iChill X3 GeForce RTX 5090 at 1792 GB/s, 44% in favour of NVIDIA Inno3D iChill X3 GeForce RTX 5090. VRAM splits them by another 25%, again favouring NVIDIA Inno3D iChill X3 GeForce RTX 5090. They match on 6 other specifications, including gpu brand, product type and tier. In Blender Cycles (GPU) the NVIDIA Inno3D iChill X3 GeForce RTX 5090 scores 14,966 against 11,062 for the NVIDIA ASUS ROG Strix OC GeForce RTX 4090, a lead of 26%.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Product Type | Desktop Add-In Card | Desktop Add-In Card |
| Series | GeForce RTX 40 | GeForce RTX 50 |
| Board Partner | ASUS | Inno3D |
| VRAM | 24 GB-25% | 32 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6X | GDDR7 |
| Boost Clock | 2640 MHz | 2467 MHz-7% |
| Factory Overclocked | Yes | Yes |
| Ray Tracing Support | Yes | Yes |
| Architecture | Ada Lovelace | Blackwell |
| Card Length | 358 mm-7% | 334 mm |
| Memory Bus Width | 384 bit-25% | 512 bit |
| Memory Bandwidth | 1008 GB/s-44% | 1792 GB/s |
| PCIe Generation | PCIe 4.0 | PCIe 5.0 |
| DisplayPort Version | DP 1.4a | DP 2.1b |
| DisplayPort Count | 3 | 3 |
| HDMI Version | HDMI 2.1a | HDMI 2.1b |
| HDMI Count | 2 | 1 |
| MSRP | 1599 | 1999 |
| CUDA Cores | 16384 | 21760 |
| Source URL | https://rog.asus.com/graphics-cards/graphics-cards/rog-strix/rog-strix-rtx4090-o24g-gaming-model/spec/ | https://www.inno3d.com/product/inno3d-geforce-rtx-5090-ichill-x3 |
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 ASUS ROG Strix OC GeForce RTX 4090
9 / 10 Expert Rating
A solid flagship pick if its price and 24GB VRAM allocation match your target resolution.
NVIDIA Inno3D iChill X3 GeForce RTX 5090
9 / 10 Expert Rating
A solid mid-premium 5090 with Inno3D's iChill cooling heritage, positioned between reference pricing and the most extreme board-partner cards.
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