BIWIN ePoP LPDDR4X integrates LPDDR4X DRAM and eMMC 5.1 storage into a Package-on-Package (PoP) solution with a 144-ball FBGA package. With a compact size of just 8.00 x 9.50 mm, it achieves sequential read and write speeds up to 290 MB/s and 140 MB/s, with frequency up to 4266 Mbps. BIWIN ePoP LPDDR4X offers capacity up to 64 GB+32 Gb. It is a next-generation storage solution designed for high-end smartwatches. Compared to previous generations, this solution features a 128.6% increase in frequency, a 32% reduction in size, and is certified by the Qualcomm 5100 platform.