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NVIDIA GeForce RTX 4090 Laptop GPU vs NVIDIA GeForce RTX 5080 Laptop GPU: Comparison
NVIDIA GeForce RTX 4090 Laptop GPU and NVIDIA GeForce RTX 5080 Laptop GPU separate most on boost clock: NVIDIA GeForce RTX 4090 Laptop GPU at 2040 MHz, NVIDIA GeForce RTX 5080 Laptop GPU at 2280 MHz, 11% in favour of NVIDIA GeForce RTX 5080 Laptop GPU. They match on 9 other specifications, including gpu brand, board partner and vram.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce RTX 40 | GeForce RTX 50 |
| Board Partner | OEM (varies by laptop model) | OEM (varies by laptop model) |
| VRAM | 16 GB | 16 GB |
| Tier | Flagship | Flagship |
| Memory Type | GDDR6 | GDDR7 |
| Boost Clock | 2040 MHz-11% | 2280 MHz |
| Ray Tracing Support | true | true |
| TDP | 175 W | 175 W |
| Architecture | Ada Lovelace (AD103) | Blackwell (GB203) |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | N/A (mobile GPU, soldered to laptop motherboard) |
| Memory Bus Width | 256 bit | 256 bit |
| CUDA Cores | 9728 | 7680 |
| Configurable TGP Range | 150-175W | 150-175W |
| Upscaling / Frame Gen | DLSS 3 with Frame Generation | DLSS 4 with Multi Frame Generation |
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 5080 Laptop GPU
8.3 / 10 Expert Rating
The best value-to-performance pick in the mobile Blackwell lineup for gamers who don't need bragging rights.
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