NVIDIA GeForce GTX 970 's Advantages
Released 6 years and 9 months late
Boost Clock1178MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 5.328GB/s)
1656 additional rendering cores
NVIDIA GeForce 8400 GS PCI 's Advantages
Lower TDP (25W vs 148W)