With the next major update to Windows 11, Microsoft has promised some performance improvements on emulating Intel and AMD code on an Arm-based Windows laptop. The new x86-64 emulator is called Prism, and it’s now available. With a variety of Copilot Plus PCs sporting the new Snapdragon X processor now on the market, we thought we’d take a look at just how much of a difference Prism can make — even on older hardware.