AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 36.00GB/s)
640 additional rendering cores
AMD Radeon 530X Mobile 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 5% (1024MHz vs 975MHz)
Lower TDP (50W vs 80W)