NVIDIA GeForce GTX 670M 's Advantages
Lower TDP (75W vs 100W)
AMD Radeon HD 8970M 's Advantages
Released 1 years and 2 months late
Boost Clock900MHz
More VRAM (4GB vs 1536GB)
Larger VRAM bandwidth (153.6GB/s vs 72.00GB/s)
944 additional rendering cores