Came across this post about using the Unix command-line calculator as a quick way to do a CPU benchmark. So I ran it to calculate Pi to 500 digits on various devices I had lying around the house. Take the results with several grains of salt, this was a one-off, and not very scientific at all; I just wanted to get the ballpark. Also note, this is just a math-intensive CPU test, it does not test I/O and most other interesting things.
|Machine||Processor||Time to completion|
|MacBook Pro Retina (2012)||2.7GHz Intel Core i7||20.0 sec|
|Raspberry PI Model B||Broadcom BCM2835 SoC with 700MHz ARM1176JZF-S||262 sec|
(as part of a NinjaBlocks system)
|AM335x 720MHz ARM Cortex-A8||246 sec|
|BeagleBone Black||AM335x 1GHz ARM Cortex-A8||132 sec|
|Mirabox||1.2GHz Marvell Armada 370 ARM v7||107 sec|
(note: this test only uses one CPU)
|1 GHz Freescale i.MX6 Quad||115 sec|
Updated August 9: added Wandboard. August 13: added BeagleBone Black.