AMD Radeon R9 M290X 's Advantages
Released 5 years and 6 months late
Boost Clock900MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)
1184 additional rendering cores
NVIDIA GeForce 9800M GT 's Advantages
Lower TDP (65W vs 100W)