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NVIDIA GeForce RTX 4090 Laptop GPU vs NVIDIA GeForce RTX 5090 D: Comparison
NVIDIA GeForce RTX 4090 Laptop GPU and NVIDIA GeForce RTX 5090 D separate most on tdp: NVIDIA GeForce RTX 4090 Laptop GPU at 175 W, NVIDIA GeForce RTX 5090 D at 600 W, 243% in favour of NVIDIA GeForce RTX 4090 Laptop GPU. VRAM splits them by another 50%, this time favouring NVIDIA GeForce RTX 5090 D. They match on gpu brand, tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce RTX 40 | GeForce RTX 50 |
| Board Partner | OEM (varies by laptop model) | NVIDIA Reference (China-market AIB partners: ASUS, MSI, Gigabyte, Colorful, Galax) |
| VRAM | 16 GB-50% | 32 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR7 |
| Boost Clock | 2040 MHz | 2017 MHz-1% |
| Ray Tracing Support | true | true |
| TDP | 175 W | 600 W-243% |
| Architecture | Ada Lovelace (AD103) | Blackwell |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3.5 |
| Memory Bus Width | 256 bit-50% | 512 bit |
Verdict
NVIDIA GeForce RTX 4090 Laptop GPU
8 / 10 Expert Rating
Still a genuinely fast mobile GPU, and a smart buy at a discount now that Blackwell laptops have taken over the flagship spot.
NVIDIA GeForce RTX 5090 D
8.9 / 10 Expert Rating
A very fast card held back only by a few percent of artificially capped performance; still the fastest GeForce card available in its home market.
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