AMD Radeon R9 M290X 's Advantages
Released 8 months late
Boost Clock has increased by 37% (900MHz vs 657MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 64.13GB/s)
512 additional rendering cores
NVIDIA GeForce GTX 760M 's Advantages
Lower TDP (55W vs 100W)