評價內存條的(de)性能指標一共有四個:
(1) 存(cun)(cun)(cun)(cun)儲(chu)(chu)容(rong)(rong)量(liang):即(ji)一根(gen)內(nei)存(cun)(cun)(cun)(cun)條(tiao)可以(yi)(yi)容(rong)(rong)納的(de)(de)(de)二(er)進制信(xin)息量(liang),如常(chang)用的(de)(de)(de)168線內(nei)存(cun)(cun)(cun)(cun)條(tiao)的(de)(de)(de)存(cun)(cun)(cun)(cun)儲(chu)(chu)容(rong)(rong)量(liang)一般多為(wei)(wei)32兆(zhao)、64兆(zhao)和128兆(zhao)。而DDRII3普遍為(wei)(wei)1GB到8GB。 (2) 存(cun)(cun)(cun)(cun)取(qu)速度(存(cun)(cun)(cun)(cun)儲(chu)(chu)周期):即(ji)兩(liang)次獨立的(de)(de)(de)存(cun)(cun)(cun)(cun)取(qu)操作(zuo)之間(jian)(jian)所需(xu)的(de)(de)(de)最短時(shi)(shi)間(jian)(jian),又稱為(wei)(wei)存(cun)(cun)(cun)(cun)儲(chu)(chu)周期,半(ban)導體存(cun)(cun)(cun)(cun)儲(chu)(chu)器(qi)(qi)的(de)(de)(de)存(cun)(cun)(cun)(cun)取(qu)周期一般為(wei)(wei)60納秒(miao)至(zhi)100納秒(miao)。 (3) 存(cun)(cun)(cun)(cun)儲(chu)(chu)器(qi)(qi)的(de)(de)(de)可靠(kao)性(xing)(xing):存(cun)(cun)(cun)(cun)儲(chu)(chu)器(qi)(qi)的(de)(de)(de)可靠(kao)性(xing)(xing)用平均(jun)故障(zhang)間(jian)(jian)隔(ge)時(shi)(shi)間(jian)(jian)來(lai)衡(heng)量(liang),可以(yi)(yi)理(li)解為(wei)(wei)兩(liang)次故障(zhang)之間(jian)(jian)的(de)(de)(de)平均(jun)時(shi)(shi)間(jian)(jian)間(jian)(jian)隔(ge)。 (4)性(xing)(xing)能價(jia)格(ge)比:性(xing)(xing)能主(zhu)要包括存(cun)(cun)(cun)(cun)儲(chu)(chu)器(qi)(qi)容(rong)(rong)量(liang)、存(cun)(cun)(cun)(cun)儲(chu)(chu)周期和可靠(kao)性(xing)(xing)三項(xiang)內(nei)容(rong)(rong),性(xing)(xing)能價(jia)格(ge)比是一個綜(zong)合性(xing)(xing)指標,對于不(bu)同(tong)的(de)(de)(de)存(cun)(cun)(cun)(cun)儲(chu)(chu)器(qi)(qi)有不(bu)同(tong)的(de)(de)(de)要求。