AMD Radeon R9 M290X 's Advantages
Released 4 years and 7 months late
Boost Clock900MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 57.60GB/s)
1184 additional rendering cores
NVIDIA GeForce GTS 260M 's Advantages
Lower TDP (38W vs 100W)