NVIDIA GeForce GTX 670 's Advantages
Boost Clock980MHz
Lower TDP (170W vs 580W)
AMD Radeon R9 290X2 's Advantages
Released 2 years and 1 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 192.3GB/s)
1472 additional rendering cores