NVIDIA Quadro K6000 's Advantages
More VRAM (12GB vs 6GB)
960 additional rendering cores
NVIDIA Quadro RTX 3000 Mobile 's Advantages
Released 5 years and 10 months late
Boost Clock has increased by 53% (1380MHz vs 902MHz)
Larger VRAM bandwidth (336.0GB/s vs 288.4GB/s)
Lower TDP (80W vs 225W)