ATI Radeon HD 4670 AGP 's Advantages
Released 1 years and 5 months late
More VRAM (1024GB vs 512GB)
208 additional rendering cores
Lower TDP (59W vs 125W)
NVIDIA GeForce 8800 GT Mac Edition 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 25.60GB/s)