評價內存條的性能指標一共有四個:
(1) 存(cun)(cun)儲(chu)(chu)容(rong)(rong)(rong)量(liang):即一根內(nei)存(cun)(cun)條(tiao)可(ke)以(yi)容(rong)(rong)(rong)納(na)(na)的(de)(de)(de)二進制信息量(liang),如常用的(de)(de)(de)168線內(nei)存(cun)(cun)條(tiao)的(de)(de)(de)存(cun)(cun)儲(chu)(chu)容(rong)(rong)(rong)量(liang)一般(ban)多為32兆、64兆和128兆。而DDRII3普遍為1GB到8GB。 (2) 存(cun)(cun)取(qu)速度(du)(存(cun)(cun)儲(chu)(chu)周期(qi)):即兩次獨立(li)的(de)(de)(de)存(cun)(cun)取(qu)操作之間(jian)(jian)所需(xu)的(de)(de)(de)最短時間(jian)(jian),又稱為存(cun)(cun)儲(chu)(chu)周期(qi),半導(dao)體存(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)存(cun)(cun)取(qu)周期(qi)一般(ban)為60納(na)(na)秒至100納(na)(na)秒。 (3) 存(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)可(ke)靠性(xing)(xing):存(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)可(ke)靠性(xing)(xing)用平均故(gu)障間(jian)(jian)隔時間(jian)(jian)來衡量(liang),可(ke)以(yi)理(li)解為兩次故(gu)障之間(jian)(jian)的(de)(de)(de)平均時間(jian)(jian)間(jian)(jian)隔。 (4)性(xing)(xing)能價格比(bi):性(xing)(xing)能主(zhu)要包括存(cun)(cun)儲(chu)(chu)器(qi)容(rong)(rong)(rong)量(liang)、存(cun)(cun)儲(chu)(chu)周期(qi)和可(ke)靠性(xing)(xing)三項內(nei)容(rong)(rong)(rong),性(xing)(xing)能價格比(bi)是一個綜(zong)合性(xing)(xing)指(zhi)標,對于不同的(de)(de)(de)存(cun)(cun)儲(chu)(chu)器(qi)有不同的(de)(de)(de)要求。