ARM On Ubuntu 12.04 LTS Battling Intel x86?
C-Ray is a testing favorite and the performance of the dual-core ARMv7 part was in line with the Pentium M 750 (1.86GHz) and well ahead of the original Atom. It will be very interesting to see how ARMv8 performs when that hardware arrives.
The 7-Zip performance was in-line with the N270.
The Texas Instruments OMAP4460-based system also did better than the Intel Atom at audio encoding.
The PandaBoard ES did not do too good for FFmpeg video encoding.