GeForce GTX 970 Advantages
Boost Clock has increased by 21% (1178MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 179.2GB/s)
640 additional rendering cores
Lower TDP (148W vs 150W)
Radeon R9 370 1024SP Advantages
Released 9 months late