NVIDIA GeForce GTX 970 's Advantages
Boost Clock has increased by 9% (1178MHz vs 1076MHz)
Lower TDP (148W vs 250W)
NVIDIA GeForce GTX 980 Ti 's Advantages
Released 9 months late
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (336.6GB/s vs 224.4GB/s)
1152 additional rendering cores