Quadro K1200 Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.00GB/s vs 64.13GB/s)
128 additional rendering cores
Quadro P600 Advantages
Released 2 years and 1 months late
Boost Clock has increased by 39% (1557MHz vs 1124MHz)
Lower TDP (40W vs 45W)