UFS 3.1 storage has sequential read speeds of up to 2100 Mbps and sequential write speeds of up to 1200 Mbps. If UFS 4.0 storage is max. It can reach 4200 Mbps read and 2800 Mbps write speeds. In theory, this means that the Galaxy S23 128GB model will boot up later, slower to open apps and play games compared to the 256GB model.
Samsung said it will offer a free storage upgrade to Galaxy S23 pre-orders in various markets. Users will be able to pay for the 128GB model and have the 256GB model at no additional cost.