Realize that the A10 does not have mainline kernel support and part of that reason is because the code is so bad no one wants to even try to get Linus to add it.
The Allwinner A10 is a SoC that uses an ARM Cortex A8 as the CPU, a Mali 400 GPU, Ethernet, SATA, etc. Yes it's confusing. It's like calling a hypothetical Intel Core based SoC the Foobar Core 10.
Apple called their ARM SoC the A4 and then Allwinner probably designated their SoC the A10 to play off that marketing.