AMD Radeon RX 640 Mobile 's Advantages
Released 9 years and 7 months late
Boost Clock1218MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)
240 additional rendering cores
AMD Radeon HD 6570M Mac Edition 's Advantages
Lower TDP (30W vs 50W)