AMD Radeon R9 M265X 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)
320 additional rendering cores
AMD Radeon R5 M320 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 37% (855MHz vs 625MHz)
More VRAM (4GB vs 2GB)