who can give me the difference between IBM CPU and MAC CPU?

It all depends on the accurate cpu which you choose.Most cpu is made by Intel.Some are made by other brands like AMD and VIA(威盛).
IBM is now a brand of Lenovo.MAC (Air)book computer is the product of Apple.They are both top brand and famous.
IBM的Thinkpad 系列不错,挺牢固耐用,国际商用机,现已被联想收购
苹果的Mac电脑外形很时尚靓丽,再加上苹果电脑独有的Mac OX操作系统区别于微软,苹果一直是很有实力的品牌.
具体的差异需要依据cpu处理器具体型号而定,两者均采用英特尔或AMD公司的中央处理器产品.

You don't have chinese details, so you have the english version. You can display the english version and then ask for help.

cant tell in details, cuz they differ from products to products. just to confirm, u mean ibm thinkpad right? and that'll actually be lenovo. so go check on their offical websites.