NVIDIA GeForce GTX 780 Rev. 2 's Advantages
Larger VRAM bandwidth (288.4GB/s vs 224.4GB/s)
640 additional rendering cores
NVIDIA GeForce GTX 970 's Advantages
Released 1 years late
Boost Clock has increased by 31% (1178MHz vs 902MHz)
More VRAM (4GB vs 3GB)
Lower TDP (148W vs 250W)