NVIDIA GeForce GTX 580 Rev. 2 's Advantages
Larger VRAM bandwidth (192.4GB/s vs 80.00GB/s)
128 additional rendering cores
NVIDIA T400 4 GB 's Advantages
Released 9 years and 11 months late
Boost Clock1425MHz
More VRAM (4GB vs 1536GB)
Lower TDP (30W vs 244W)