Depending on your package. I have Dtac 30mbps unlimited bought from shopee 1.3k baht running as home wifi, speed test average 20mbps which sufficient enough.
While my mobile using postpaid Ais iphone 1099b unlimited 5G monthly, i download a lot / game on my pc(tethering). Prior to that on fixxy 3xxbaht 25mbps unlimited postpaid, no issue