AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 48.06GB/s)
768 additional rendering cores
NVIDIA GeForce MX230 's Advantages
Released 4 years and 3 months late
Boost Clock has increased by 57% (1531MHz vs 975MHz)
Lower TDP (10W vs 80W)