Welcome ARMAS Memory Modules
 

Bandwidth Comparison between RDRAM & SDR/DDR SDRAM

DRAM Type Clock Rate Data Rate Bus Width Memory Bandwith
RDRAM 400M HZ 800M HZ 16 bits
(1 channel)
1.6GB/s
RDRAM 400M HZ 800M HZ 32 bits
(2 channel)
13.2GB/s
RDRAM 400M HZ 800M HZ 64 bits
(4 channel)
6.4GB/s
PC-100 SDRAM 100M HZ 100M HZ 64 bits 800MB/s
PC-133 SDRAM 133M HZ 133M HZ 64 bits 1064MB/s
PC-200 SDRAM 100M HZ 200M HZ 64 bits 1.6GB/s
PC-266 SDRAM 133M HZ 266M HZ 64 bits 2128MB/s

 

Granularity Comparison between RDRAM & SDRAM

DRAM TYPE Bus Width

64MB

128Mb 256Mb 512Mb 1GMb
Min.
ICs
Min. 
Capacity
Min.
ICs
Min. 
Capacity
Min.
ICs
Min. 
Capacity
Min.
ICs
Min. 
Capacity
Min.
ICs
Min. 
Capacity
RDRAM 16 bits
(1 channel)
1 8MB 1 16MB 1 32MB 1 64MB 1 128MB
RDRAM 32 bits
(2 channel)
2 16MB 2 32MB 2 64MB 2 128MB 2 256MB
RDRAM 64 bits
(4 channel)
4 32MB 4 64MB 4 128MB 4 256MB 4 512MB
SDR/DDR
SDRAMx16
64 bits  4 32MB 4 64MB 4 128MB 4 256MB 4 512MB
SDR/DDR
SDRAMx8
64 bits  8 64MB 8 128MB 8 256MB 8 512MB 8 1GB
SDR/DDR
SDRAMx4
64 bits  16 128MB 16 256MB 16 512MB 16 1GB 16 2GB

 

 

回ARMAS首頁

  ARMAS公司簡介 ARMAS 產品 留言信箱    

   ARMAS COMPUTER CORP.  http://www.armas.com.tw

4F, 39, Lane 76, Zui Kuang Rd, Nei-Hu District, Taipei Taiwan, R.O.C.  Tel:886-2-8792-2800  Fax:886-2-8792-2760 
Copyright ARMAS Computer Corp. All Right Reserved.