NVIDIA GeForce 945M 's Advantages
Released 4 years and 1 months late
Boost Clock1189MHz
48 additional rendering cores
Lower TDP (23W vs 75W)
NVIDIA GeForce GTX 670M 's Advantages
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (72.00GB/s vs 16.02GB/s)