AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 85W)
AMD Radeon RX 470 Mobile 's Advantages
Released 1 years and 9 months late
Boost Clock has increased by 10% (1074MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)
1024 additional rendering cores