The HP 250 supports a 1,600MHz processor memory clock speed which is faster than most medium processor core notebook PCs that were launched around the same time as it. Most similar spec notebook PCs that are a comparable age to it support a 133MHz processor memory clock speed. This portable PC also supports 1 and 333MHz processor memory clock speeds.
This portable PC's memory clock speeds supported by processor (1,600MHz) is in fact the best supported memory clock speeds supported by processor across all comparable spec laptops that have been on the market for around the same time as the 250.
The worst supported memory clock speeds supported by processor across similar types of portable PC is 133MHz.