We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 128MB VRAM Mobility Radeon X1600 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 2600 XT 's Advantages
More VRAM (256GB vs 128GB)
Larger VRAM bandwidth (24.00GB/s vs 12.67GB/s)
120 additional rendering cores
ATI Mobility Radeon X1600 Mac Edition 's Advantages