Cortex A15 vs A73 speed Odroid XU4(A15 1,8GHz) vs Hikey 960(A73 2,4GHz)

I did some benchmark Odroid XU4(A15 1,8GHz) vs Hikey 960(A73 2,4GHz) discuss.96boards.org/.../2140 And I would expect better results but it looks like it is pretty much same if we have A15 on same frequency...
Difference between PL080 and PL330

Note: This was originally posted on 4th April 2012 at http://forums.arm.com What is the difference between PL080 and PL330 as both are DMAC controller.
what are the differences between PL330 and DMA-330?

Hi, what are the differences between PL-330 and DMA-330? Are they both support any byte alignment? Br,
io coherency and shareability

Hi, I have been reading about io coherency and the inner/outer shareability (SH bits in PTE). I kind of understand the concept of both but need help to connect the 2 concepts together. Lets assume a...
how to read 16-bytes from 'hxx00 address(32-byte aligned address) on a 32-byte width data bus,

if i want to read 16-bytes from 'hxx00 address(32-byte aligned address) on a 32-byte width data bus, what should be the arsize[3:0]? i donot want to put arsize='h5 as it would result in a performance...