https://cdn.satellite.earth/c01c24ba7e849f37fb86d0f9825d659b7d48559d04ade1e8c27a80f81d83848d.png

this is the comparison of the linear, log2 and log10 zero points on a graph

obviously the log10 (which is implicitly what is meant when log is used alone) is a flatter curve

the log2 curve decelerates slower and longer to reach the same gradient