1.主要的差别是8148有sata接口,8127没有
2.经过最近各方查找，应该是8107中把DSP砍掉了，8127如1楼所示
http://www.deyisupport.com/question_answer/dsp_arm/davinci_digital_media_processors/f/39/t/16496.aspx
3.官方文档
http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/t/163922.aspx
4.8127