NVIDIA L40S 's Advantages
Released 11 months late
Boost Clock has increased by 48% (2520MHz vs 1700MHz)
4096 additional rendering cores
Lower TDP (300W vs 500W)
AMD Radeon Instinct MI250X 's Advantages
More VRAM (128GB vs 48GB)
Larger VRAM bandwidth (3277GB/s vs 864.0GB/s)