NVIDIA GeForce 945A 's Advantages
Released 6 years and 6 months late
Boost Clock1189MHz
More VRAM (1024GB vs 512GB)
64 additional rendering cores
Lower TDP (33W vs 110W)
ATI Mobility Radeon HD 3870 X2 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 40.10GB/s)