ATI Mobility Radeon HD 4670 Mac Edition 's Advantages
Lower TDP (35W vs 45W)
AMD Radeon E6760 PCIe 's Advantages
Released 1 years and 8 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (51.20GB/s vs 25.28GB/s)
160 additional rendering cores