The NVIDIA RTX 4080 is the objective winner of this comparison, securing a lead in ten out of fourteen measured specifications. Its most significant advantage is its FP32 performance, which is 100% better than that of the alternative. This substantial lead in raw computational capability establishes the desktop card as the superior option for users prioritizing high-end processing power and technical performance across the majority of the evaluated hardware metrics.

Choose the NVIDIA RTX 4080 if your primary requirement is maximum computational throughput for demanding tasks. Conversely, select the NVIDIA RTX 5070 Ti Mobile if your priority is the 100% advantage in MSRP. While the desktop card dominates in raw performance, the mobile variant offers a distinct financial benefit for users who value a lower cost of entry over the superior technical specifications found in the desktop model.