AMD Radeon R7 240 's Advantages
Lower TDP (30W vs 65W)
AMD Radeon RX 560D 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 51% (1175MHz vs 780MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (96.00GB/s vs 28.80GB/s)
576 additional rendering cores