On this graph, the most expensive RAM is $12.5 / GB ($400 for DDR5-6000 2x16GB). Apple charges

- $25 / GB ($200 for 8 GB for the M5 MacBook Pro and the M4 MacBook Air)

- $16 / GB ($400 for 24 GB for the cheapest M4 Pro MacBook Pro)

- $12.5 / GB ($200 for 16 GB and then $800 for 64 GB more for the most expensive M4 Pro and M4 Max MacBook Pros)

and Apple's RAM is faster than PC RAM.