ATI Radeon HD 2600 XT Mac Edition 's Advantages
Lower TDP (45W vs 65W)
AMD Radeon RX 560D 's Advantages
Released 9 years and 5 months late
Boost Clock1175MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)
776 additional rendering cores