AMD Radeon HD 6670 's Advantages
Lower TDP (66W vs 295W)
AMD Radeon RX Vega 64 's Advantages
Released 6 years and 4 months late
Boost Clock1546MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (483.8GB/s vs 64.00GB/s)
3616 additional rendering cores