M4 Pro: The M4 Pro has a 14-core CPU (which Apple claims is up to 1.9 times faster than the M1 Pro) and up to a 20-core GPU, with up to 64 GB of unified memory. M3 Pro: With a 12-core CPU and an 18-core GPU, Apple claimed the M3 Pro's GPU was only up to 10 percent faster than the M2 Pro, making it a marginal upgrade from its predecessor. Compared with the M1 Pro, however, the M2 Pro was up to 40 percent faster in GPU performance and 20 percent faster in CPU performance.