評價內存條的性能指標(biao)一(yi)共有四個:
(1) 存(cun)(cun)(cun)儲(chu)(chu)容(rong)(rong)量:即(ji)(ji)一根(gen)內存(cun)(cun)(cun)條可(ke)(ke)以(yi)容(rong)(rong)納(na)的(de)(de)(de)二進制信息量,如(ru)常用的(de)(de)(de)168線(xian)內存(cun)(cun)(cun)條的(de)(de)(de)存(cun)(cun)(cun)儲(chu)(chu)容(rong)(rong)量一般多為32兆、64兆和(he)128兆。而(er)DDRII3普遍(bian)為1GB到8GB。 (2) 存(cun)(cun)(cun)取(qu)速度(存(cun)(cun)(cun)儲(chu)(chu)周(zhou)期):即(ji)(ji)兩次獨(du)立(li)的(de)(de)(de)存(cun)(cun)(cun)取(qu)操作之(zhi)間(jian)所需的(de)(de)(de)最短時(shi)間(jian),又稱為存(cun)(cun)(cun)儲(chu)(chu)周(zhou)期,半導體存(cun)(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)存(cun)(cun)(cun)取(qu)周(zhou)期一般為60納(na)秒至100納(na)秒。 (3) 存(cun)(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)可(ke)(ke)靠性(xing)(xing):存(cun)(cun)(cun)儲(chu)(chu)器(qi)的(de)(de)(de)可(ke)(ke)靠性(xing)(xing)用平(ping)(ping)均故障間(jian)隔時(shi)間(jian)來衡量,可(ke)(ke)以(yi)理(li)解為兩次故障之(zhi)間(jian)的(de)(de)(de)平(ping)(ping)均時(shi)間(jian)間(jian)隔。 (4)性(xing)(xing)能(neng)(neng)價格(ge)比:性(xing)(xing)能(neng)(neng)主要包括存(cun)(cun)(cun)儲(chu)(chu)器(qi)容(rong)(rong)量、存(cun)(cun)(cun)儲(chu)(chu)周(zhou)期和(he)可(ke)(ke)靠性(xing)(xing)三項內容(rong)(rong),性(xing)(xing)能(neng)(neng)價格(ge)比是一個綜合性(xing)(xing)指標,對于不(bu)(bu)同的(de)(de)(de)存(cun)(cun)(cun)儲(chu)(chu)器(qi)有不(bu)(bu)同的(de)(de)(de)要求。