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DRAM controller of Phenom II,upcoming thuban and Supported Memory

Recently i came across to read the following in the key features of Phenom ii processors.


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Integrated DRAM Controller with AMD Memory Optimizer Technology

A high-bandwidth, low-latency integrated memory controller
Supports PC2-8500 (DDR2-1066); PC2-6400 (DDR2-800), PC2-5300 (DDR2-667), PC2-4200 (DDR2-533) or PC2-3200 (DDR2-400) SDRAM unbuffered DIMMs – AM2+

Support for unregistered DIMMs up to PC2 8500(DDR2-1066MHz) and PC3 10600 (DDR3-1333MHz) – AM3
Up to 17.1GB/s memory bandwidth for DDR2 and up to 21GB/s memory bandwidth for DDR3

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Does the article mean that phenom ii processors can support maximum of ddr3 -1333mhz.
So what about 1600mhz and 1800mhz ddr3 ram available.
Can t we install higher clocked ddr3?
Or is it using the higher clocked ddr3 ie. >1333mhz is waste with the phenom ii series processors.
What about thuban,i heard that they have the same key architecture ?
4 answers Last reply Best Answer
More about dram controller phenom upcoming thuban supported memory
  1. Best answer
    No, the Phenom II CPUs only officially support 1333MHz, but can be pushed higher. In terms of performance though, there is very little difference between high speed and low speed RAM.

    In terms of architecture, the Phenom II X6 comes with 3MB L2 cache instead of Phenom II X4's 2MB, and two extra cores, with TDP ratings of 95W for the lower end Thubans, and 125W for the higher end Thubans.

    IIRC, Thuban was based more on the 'Istanbul' Opteron.
  2. Lmeow said:
    No, the Phenom II CPUs only officially support 1333MHz, but can be pushed higher. In terms of performance though, there is very little difference between high speed and low speed RAM.

    In terms of architecture, the Phenom II X6 comes with 3MB L2 cache instead of Phenom II X4's 2MB, and two extra cores, with TDP ratings of 95W for the lower end Thubans, and 125W for the higher end Thubans.

    IIRC, Thuban was based more on the 'Istanbul' Opteron.


    But how can it be pushed higher?a little detail or how.....
  3. Simply by overclocking it.
  4. Best answer selected by rajiv1990.
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