Bitcoin Cash is the result of a bitcoin fork. It is extremely similar in many ways to bitcoin, but Bitcoin Cash has a few technical differences that make a big impact.
One difference, which has many significant follow-on effects, is the difference in block size. Bitcoin has a 1MB block size, while Bitcoin Cash has an 8MB block size.
Not exactly bitcoin has a block weight know which in layman term is a 2-3mb block inc done by a soft fork. Some nodes store 1mb of data other 2-3 mb. This is segwit with the use of segwit comes other tech such as schoor and etc...
32 MB now