AMD Radeon Pro V520 's Advantages
Released 7 years and 2 months late
Boost Clock has increased by 105% (1600MHz vs 780MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 28.80GB/s)
1984 additional rendering cores
AMD Radeon R7 240 's Advantages
Lower TDP (30W vs 225W)