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Added 4GB and 'DRAM Frequency" dropped

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  • Added 4GB and 'DRAM Frequency" dropped

    I added a 4GB G.Skill F3-160011-4GSL stick to 4GB of Hyundai memory in a new Lenovo x140e laptop with an AMD A4-5000 processor. CPU-Z reports the SPD specs of the two sticks are identical. However, CPU-Z also reports the DRAM Frequency is reduced from 800 MHz to 665 MHz. Would this frequency drop occur with any two sticks installed or have I selected an incompatible pair?

  • #2
    What frequency is the Hyundai memory? Maybe it is DDR3-1333 (667MHz)

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    • #3
      Unfortunately, no.

      Originally posted by GSKILL TECH View Post
      What frequency is the Hyundai memory? Maybe it is DDR3-1333 (667MHz)
      PC3-12800, like the G.Skill memory. Either stick, when installed by itself, runs @ DRAM frequency of 800 MHz.

      Isn't it likely that the memory bus speed is degraded with the capacitance of two installed stick? Or is Lenovo playing games here?

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      • #4
        Some BIOS are designed like that, the CPU may not be able to support two 4GB modules of DDR3-1600.

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