We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon E9390 PCIe 's Advantages
Released 10 years and 1 months late
Boost Clock1089MHz
Larger VRAM bandwidth (160.0GB/s vs 25.28GB/s)
1472 additional rendering cores
ATI Mobility Radeon HD 4670 Mac Edition 's Advantages