Transferred from: http://blog.csdn.net/maochengtao/article/details/9951131
ARM processor development for so many years, there are many architectures, many different kernel architectures have ARMV1 v2 v3 v4 v5 V6 V7 Kernel too much, such as armv1 corresponding arm1,armv5 corresponding arm9,armv6 corresponding arm11,armv7 corresponding cortex ( A8 A9, for example, belong to Cortex architecture)
Cortex-a8 cortex-a9 ARM11 arm 9 are CPU architectures. CORTEX-A9 >cortex-a8>arm11 on performance. ARM11 is the ARM V6 framework, the old instruction set, is eliminated things, performance than arm V7 framework CPU. Cortex-a8 is the first ARM V7 instruction set based CPU, more advanced than V6, V6 does not support online flash playback. Even if the plug-in can be installed can not be fully supported flash playback, performance is not, even if the break out of the broadcast. A8 Perfect support for Flash! Cortex-a8 is currently the mainstream CPU, high-end machine, especially the stability of high-end machine products, the low-end are used V6 framework of the CPU, such as MSM 7227, do not look at the frequency of 800Hz, in fact, is the previous generation, than the same frequency of 7230 of the performance of One-fourth. CORTEX-A9 Multi-core processor, to MPCore optimization, to high-performance development, the future mainstream, now the dual-core mobile phone CPU is the best of the current architecture is the CORTEX-A9 framework of the CPU is the high-end mainstream CPU, such as NV's dual core, Texas Instruments are a lot of dual-core A9 framework, A8 is the current high-end mainstream, the general A8 framework of the dual-core CPU is not much, almost no.
A5 A8 a9,v6 v7,arm7 ARM9 ARM11 in arm processors are classified by what "turn"