AMD Radeon R9 M290X 's Advantages
Released 3 years and 4 months late
Boost Clock900MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 40.00GB/s)
1136 additional rendering cores
NVIDIA GeForce GT 445M 's Advantages
Lower TDP (35W vs 100W)