NVIDIA Quadro K5100M 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (115.2GB/s vs 80.19GB/s)
896 additional rendering cores
NVIDIA Quadro K2200 's Advantages
Released 1 years late
Boost Clock has increased by 46% (1124MHz vs 771MHz)
Lower TDP (68W vs 100W)