AMD Radeon RX Vega 64 's Advantages
Released 3 years and 10 months late
Boost Clock has increased by 47% (1546MHz vs 1050MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 32.00GB/s)
3712 additional rendering cores
AMD Radeon R7 250 OEM 's Advantages
Lower TDP (65W vs 295W)