How can I judge its version from a dump spi.bin

i have dumped a full isp.bin ,How can I judge its version from the .bin such as spi.bin ,me.bin,bios.bin? i download a bios update .exe and extract .data files with pfsextractor.exe. then Compare them with the spi.bin i dump from chip,i cant find any information such as ‘A11’, ‘A7’ about the verison.