AMD Radeon HD 6670A 's Advantages
Lower TDP (45W vs 85W)
AMD Radeon RX 570 Mobile 's Advantages
Released 6 years and 8 months late
Boost Clock1206MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (211.2GB/s vs 64.00GB/s)
1568 additional rendering cores