Hi @PK_1114
The benchmarks are provided by Arm, in this case the LPC54606 include a Cortex M4 and the i.MXRT1024 contains a Cortex M7.
You can find the corresponding information on this links.
Cortex M7
Cortex M4
Comparison Table
Regarding the memory wait states, the RT has a faster memory. If you would like more details you can refer to the datasheet or the reference/user manual of the product.
Best Regards, Miguel.