NVIDIA GeForce GTX 950 OEM 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (80.19GB/s vs 80.00GB/s)
640 additional rendering cores
NVIDIA T400 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 18% (1425MHz vs 1203MHz)