AMD Radeon RX 640 Mobile 's Advantages
Lower TDP (50W vs 85W)
AMD Radeon RX 5300M 's Advantages
Released 6 months late
Boost Clock has increased by 19% (1445MHz vs 1218MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (168.0GB/s vs 48.00GB/s)
768 additional rendering cores