NVIDIA GeForce GTX 560 Ti 448 's Advantages
Released 3 years and 9 months late
More VRAM (1280GB vs 256GB)
Larger VRAM bandwidth (152.0GB/s vs 25.60GB/s)
328 additional rendering cores
ATI Radeon HD 2600 XT Mac Edition 's Advantages
Lower TDP (45W vs 210W)