Xbox Series S is Microsoft's most recent entry-level console running on AMD's modern Zen 2 and RDNA 2 architectures. The Series S' unified memory system does reduce a game's memory requirements compared to a PC, but 10GB is still a pretty small number for modern-day gaming (not to mention the unorthodox bandwidth configuration, where only 8GB runs at high speeds). The Series S' unified memory system does reduce a game's memory requirements compared to a PC, but 10GB is still a pretty small number for modern-day gaming (not to mention the unorthodox bandwidth configuration, where only 8GB runs at high speeds)