We compared two Professional market GPUs: 8GB VRAM Tesla K8 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K8 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1152 additional rendering cores
NVIDIA Quadro K620 's Advantages
Boost Clock has increased by 39% (1124MHz vs 811MHz)