Supports up to 2GB of DDR RAM. For Pentium 4 ... Provides 2-way multiprocessing (SMP), ATA-66, 4xAGP, 133 MHz system bus and was first to support RDRAM memory. Introduced hub architecture that ...

In terms of operational efficiency, DDR SDRAM offers a major leap by doubling the data rate and boosting the transfer speed, achieving rates such as 266 MHz compared to the 133 MHz of SDRAM. As ...

Figure 1 shows the throughput for various flavors of SPI devices with SDR operation frequency of 108 MHz and DDR frequency of 133 MHz. New SPI devices are coming up in market which provides up to 133 ...