I recently upgraded to a new computer and I’m encountering a bit of a puzzle with my RAM speeds. I’m hoping to tap into the community’s knowledge to figure this out.

My Rig:

The Issue:

Different monitoring programs are showing me varying RAM speeds, and I can’t figure out which one to trust. Here’s what they’re saying:

Task Manager: 2000 MHz

CPU-Z: 997 MHz

HWINFO: 2600 MHz

XMP Profile Setting: The XMP profile is currently set to ‘auto’ but I have the option of Profile 1 and Profile 2.

My Questions:

  • Real RAM Speed: How can I accurately determine the current speed of my RAM?
  • Expected Performance: Considering I’m running 128GB of RAM, what’s a realistic speed I should expect with that much capacity?
  • How do I increase my ram clock speed and is there any risk?

Thanks in advance.

  • SkillYourselfBEnglish
    1·
    1 year ago

    HWInfo is saying the same as CPU-Z. You’re looking at the XMP profile box which is what’s baked on the SPD, not what’s running.

    Your XMP boot is likely failing and ASRock bios booted it in the slowest possible configuration.

    Set these voltages manually up to the max in parenthesis

    VCCSA 1.3V (max 1.35V)
VDD_CPU 1.35V (max 1.4V) - this should be CPU VDD2, verify in HWInfo
VDD_IMC 1.35V (max 1.4V) - this should be VDDQ_TX, verify in HWInfo

    and then try booting 5200/5000/4800. You then want to test the IMC using y-cruncher stress test on the “VST” test after you successfully boot. You only need to run it for 10 minutes. If it fails, drop the clocks by 200.

    Alternatively if you can live with 96GB, 2x48GB is much more likely to work out of the box.