Max Mac Address vs Max ARP Entries

[clarence_phoon]

In one of the ruckus switch, max mac address is 16384, the max arp entires is 4094.

Can explain why the 2 figures are different?

I thought they should be the same? 

https://www.commscope.com/globalassets/digizuite/61729-ds-icx-7150.pdf

[mohammad_atmazi]

Intrested