What is the physical memory limit in shared L1


Memory Usage
if it is 512Mb or 1024 or 2018

also Process limits
I/O Usage
Entry Processes
CPU Usage
Entry Processes
Memory Usage percentage

I am now hosting with godaddy almost all hosting companies have these limits. what about dreamhost.
I already purchased 1 hosting dreamhost, if i move my domain dreamhost may be server resources limits Not compatible with that.

Better to know to save my time before proceed. Please help anybody!