AMD Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 295W)
AMD Radeon RX Vega 64 Limited Edition 's Advantages
Released 4 years and 9 months late
Boost Clock has increased by 59% (1546MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 192.0GB/s)
2560 additional rendering cores