NVIDIA Quadro K5100M 's Advantages
More VRAM (8GB vs 4GB)
512 additional rendering cores
NVIDIA Quadro T2000 Mobile 's Advantages
Released 5 years and 10 months late
Boost Clock has increased by 132% (1785MHz vs 771MHz)
Larger VRAM bandwidth (128.1GB/s vs 115.2GB/s)
Lower TDP (60W vs 100W)