RTX 4090 Laptop GPU Appears in Geekbench by from Tomshardware on 2022-12-30 14:29 (#67AY1) Nvidia's upcoming flagship laptop GPU looks set to outperform the RTX 3090 desktop, be twice as fast as the RTX 3080 Ti for laptops, and match the CUDA core count of the RTX 4080 desktop model.