NVIDIA A40 PCIe 's Advantages
Released 7 years late
Boost Clock has increased by 66% (1740MHz vs 1050MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (695.8GB/s vs 32.00GB/s)
10368 additional rendering cores
AMD Radeon R7 250 OEM 's Advantages
Lower TDP (65W vs 300W)