The decision is whether to buy a with M4 now or wait for a future M5 model. No details are given about the planned use, budget, , memory, , or the server work it needs to run. The only clear substance is a purchase-timing question.
Key points
The choice is between buying a now or waiting for M5.
No concrete server workload is described.
ant buying details like budget, memory, , and are missing.
If the server is needed now, timing may matter more than waiting for a newer chip.