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NVIDIA GeForce RTX 3080 Laptop GPU vs NVIDIA GeForce RTX 4090 D: Comparison
NVIDIA GeForce RTX 3080 Laptop GPU and NVIDIA GeForce RTX 4090 D separate most on tdp: NVIDIA GeForce RTX 3080 Laptop GPU at 165 W, NVIDIA GeForce RTX 4090 D at 425 W, 158% in favour of NVIDIA GeForce RTX 3080 Laptop GPU. VRAM splits them by another 67%, this time favouring NVIDIA GeForce RTX 4090 D. They match on gpu brand, tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce RTX 30 | GeForce RTX 40 |
| Board Partner | OEM (varies by laptop model) | NVIDIA Reference (China-market AIB partners: ASUS, MSI, Gigabyte, Colorful, Galax) |
| VRAM | 8 GB-67% | 24 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR6X |
| Boost Clock | 1710 MHz-25% | 2280 MHz |
| Ray Tracing Support | true | true |
| TDP | 165 W | 425 W-158% |
| Architecture | Ampere (GA104) | Ada Lovelace |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 3.5 |
| Memory Bus Width | 256 bit-33% | 384 bit |
| CUDA Cores | 6144 | 14592 |
Verdict
NVIDIA GeForce RTX 3080 Laptop GPU
7.1 / 10 Expert Rating
A capable secondhand flagship, but confirm the VRAM configuration before buying since it varies by laptop model.
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.
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