NVIDIA GeForce GTX 680 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 68.26GB/s)
768 additional rendering cores
Lower TDP (195W vs 300W)
Intel H3C XG310 's Advantages
Released 8 years and 8 months late
Boost Clock has increased by 47% (1550MHz vs 1058MHz)
More VRAM (8GB vs 2GB)