Windows XP is demanding for an emulator. While the OS technically runs on 64MB of RAM, a "beefy" setup is required for a smooth experience in PCem.
Most users turn to VirtualBox or VMware for XP, which use to run the OS nearly at host speeds. However, PCem uses emulation , mimicking every transistor of old motherboards and GPUs. pcem windows xp
It avoids the "too fast" bugs often found when running 20-year-old software on multi-GHz processors. Recommended "Sweet Spot" Configuration Windows XP is demanding for an emulator