I thought Cortex A8 was TI's implementation of ARMv7 and Snapdragon Qualcomm's: the ISAs are the same but Snapdragon can run distinct cores at distinct speeds

I thought Cortex A8 was TI's implementation of ARMv7 and Snapdragon Qualcomm's: the ISAs are the same but Snapdragon can run distinct cores at distinct speeds because of disjoint caches per core, beneficial for power savings, for example. Check http://www.arm.com/miscPDFs/14128.pdf http://www.arm.com/miscPDFs/14128.pdf for more details than are simple to read.