Please completely analyze and compare the asset turnover and inventory ratios between the two companies, Samsung and Xiaomi in 2021 and 2020.

Samsung in 2021 - Asset turnover=0.66, Inventory turnover=4.02 Xiaomi in 2021 - Asset turnover=1.12, Inventory turnover=4.67

Samsung in 2020 - Asset turnover=0.63, Inventory turnover=4.51 Xiaomi in 2020 - Asset turnover=0.85, Inventory turnover=3.72