NVIDIA GeForce GTX 970 's Advantages
Larger VRAM bandwidth (224.4GB/s vs 80.00GB/s)
1280 additional rendering cores
NVIDIA T400 4 GB 's Advantages
Released 6 years and 8 months late
Boost Clock has increased by 21% (1425MHz vs 1178MHz)
Lower TDP (30W vs 148W)