AMD Radeon Pro Vega 56 's Advantages
Larger VRAM bandwidth (402.4GB/s vs 288.0GB/s)
1536 additional rendering cores
AMD Radeon RX 7700S 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 100% (2500MHz vs 1250MHz)
Lower TDP (100W vs 210W)