32GB unified memory is not 64GB on a PC.

No.

Unified memory on Apple Silicon is fast — really fast — but speed doesn’t change capacity. If your workload needs 64GB of data loaded at once (e.g., large CAD models, multiple VMs, heavy data science), 32GB will still hit the wall. The Mac will swap to SSD, which is slower than RAM no matter how fast the architecture is.

For most people doing daily work — development, photo editing, moderate multitasking — 32GB on the M2 Pro feels snappier than 32GB on a PC because of lower latency and higher bandwidth. But it doesn’t magically replace having twice the physical memory.

If you regularly push past 32GB on a PC, you need 64GB on the Mac, not hope.