What's the point of the 120B model?

To fit in my 48GB MacBook eventually (once they release the Mac version). 145B seems to be too big for that.

	▲	Centigonal 13 hours ago \| parent [-]
		The table in OP suggests the memory footprint is the same. \| Model \| Mean across six benchmarks \| Memory footprint \(measured or estimated\) \| \| Edge0-145B \| 72.8 \| 29GB \| \| Edge0-120B \| 68.9 \| 29GB \|