ATI Radeon HD 4870 's Advantages
Lower TDP (150W vs 195W)
NVIDIA GeForce GTX 680 's Advantages
Released 3 years and 9 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 115.2GB/s)
736 additional rendering cores