NVIDIA Tesla P4 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (192.3GB/s vs 160.0GB/s)
1536 additional rendering cores
NVIDIA Quadro T1200 Mobile 's Advantages
Released 4 years and 7 months late
Boost Clock has increased by 28% (1425MHz vs 1114MHz)
Lower TDP (18W vs 75W)