AMD Radeon RX Vega 56 's Advantages
Released 3 years and 9 months late
Boost Clock has increased by 59% (1471MHz vs 925MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (409.6GB/s vs 179.2GB/s)
2304 additional rendering cores
AMD Radeon R9 270 's Advantages
Lower TDP (150W vs 210W)