A comparison of some CPUs using my favorite benchmark, md5 -t.

Dell CS24, Xeon L5450 @ 2.5GHz

Time   = 0.242135 seconds
Speed  = 412992751.977203 bytes/second

Thinkpad T430s, i5-3320M @ 2.6GHz (plus turbo)

Time   = 0.184372 seconds
Speed  = 542381706.549801 bytes/second

Thinkpad X200s, Core2 @ 1.8GHz

Time   = 0.325009 seconds
Speed  = 307683787.218200 bytes/second

Thinkpad X1 Carbon, i5-5300U @ 2.3GHz

Time   = 0.206281 seconds
Speed  = 484775621.603541 bytes/second

No name router, Atom @ 1.8GHz

Time   = 0.399222 seconds
Speed  = 250487197.599331 bytes/second

Sun T5120, T2 @ 1.2GHz

Time   = 1.809987 seconds
Speed  = 55249015.600665 bytes/second

BeagleBone Black, ARM Cortex A8

Time   = 1.373115 seconds
Speed  = 72827112.077284 bytes/second

EdgeRouter Lite, Octeon @ 500MHz

Time   = 2.198556 seconds
Speed  = 45484399.760570 bytes/second

Intel “Braswell” Celeron N3050 @ 1.6GHz

Time   = 0.334014 seconds
Speed  = 299388648.380008 bytes/second