NVIDIA GeForce GT 520MX 's Advantages
Lower TDP (20W vs 100W)
AMD Radeon R9 M290X 's Advantages
Released 2 years and 8 months late
Boost Clock900MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)
1232 additional rendering cores