F5F Stay Refreshed Power Users Overclocking Why are XMP profiles different?

Why are XMP profiles different?

Why are XMP profiles different?

S
skyfall1235
Junior Member
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06-05-2016, 06:49 AM
#1
Hi all,
I recently increased my RAM speed to 3600mhz. In BIOs, only one XMP profile is available. Does the choice of profile still matter?
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S
skyfall1235
06-05-2016, 06:49 AM #1

Hi all,
I recently increased my RAM speed to 3600mhz. In BIOs, only one XMP profile is available. Does the choice of profile still matter?

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J
Jerrex
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175
06-07-2016, 01:11 AM
#2
You're right to question that. Overclocking the memory already sets it up for performance, so an XMP profile doesn't change that. It just applies the factory settings to the loaded profile, which would replace your manual adjustments.
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J
Jerrex
06-07-2016, 01:11 AM #2

You're right to question that. Overclocking the memory already sets it up for performance, so an XMP profile doesn't change that. It just applies the factory settings to the loaded profile, which would replace your manual adjustments.

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M
meowtotoro
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60
06-12-2016, 05:43 PM
#3
The instructions provided guidance on adjusting RAM speeds through BIOS settings, but it's unclear whether the process was correctly followed or if any unintended changes were made.
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M
meowtotoro
06-12-2016, 05:43 PM #3

The instructions provided guidance on adjusting RAM speeds through BIOS settings, but it's unclear whether the process was correctly followed or if any unintended changes were made.

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HBROS1245
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179
06-13-2016, 04:41 AM
#4
XMP represents a method of overclocking that exceeds the JEDEC standard. The 2133 frequency is typical for DDR4, and it seems to have progressed to 2400 and eventually reached 2666 on certain systems. For a 3600MT/s XMP profile, you can choose that specific setting. There might be various sub timings or full speeds listed as profiles within a memory kit (referred to as SPD). Alternatively, you can adjust each memory timing and sub timing manually to potentially achieve better outcomes than the XMP profiles. The memory manufacturer has evaluated these XMP profiles, confirming their capability, though actual performance may vary depending on the CPU and memory controller. There are also DOCP and AMP as other standards, but they are less commonly used.
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H
HBROS1245
06-13-2016, 04:41 AM #4

XMP represents a method of overclocking that exceeds the JEDEC standard. The 2133 frequency is typical for DDR4, and it seems to have progressed to 2400 and eventually reached 2666 on certain systems. For a 3600MT/s XMP profile, you can choose that specific setting. There might be various sub timings or full speeds listed as profiles within a memory kit (referred to as SPD). Alternatively, you can adjust each memory timing and sub timing manually to potentially achieve better outcomes than the XMP profiles. The memory manufacturer has evaluated these XMP profiles, confirming their capability, though actual performance may vary depending on the CPU and memory controller. There are also DOCP and AMP as other standards, but they are less commonly used.

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