AMD Radeon R5 M420 's Advantages
Released 2 years and 2 months late
Boost Clock has increased by 36% (850MHz vs 625MHz)
More VRAM (4GB vs 2GB)
AMD Radeon R9 M265X 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)
320 additional rendering cores