Sunday question: JEDEC, XMP profile or real overclocking?

Whether it is DDR4 or DDR5, the main memory, or the so-called RAM, and overclocking can be operated in different ways. Which choice do you prefer? Whether the memory in your system is operating to the standards defined by JEDEC, “humane” overclocking or “real” RAM OC depends largely on your use case.

In particular, the numerous requests for help in the RAM sub-forum indicate that many readers are unknowingly running their RAM with the additionally stored JEDEC profile for DDR4-2133 instead of loading the XMP profile and thus the advertised specs and information by the manufacturer.

A proprietary XMP profile, which can be used for Intel Core i series, Ryzen processors and AMD APUs, can be activated directly via BIOS/UEFI of any computer system.

Community member Ned Flanders pointed to this fact and thus gave impetus to this Sunday question.

JEDEC or XMP or RAM OC?

While it is usually sufficient, especially for casual gamers who use their PC for other purposes, to load an XMP profile suitable for the platform and not very homeopathic, or even just take into account JEDEC standards, experienced and overclocked gamers rely on instead, Clock frequencies and timings are fully explored manually and eventually get more FPS and frame times from memory.

JEDEC Standards XMP Profile or RAM OC How do ComputerBase readers operate main memory in their systems?

Meanwhile, world record attempts with DDR5 memory have reached more than 10,000 MT/s. Recently MSI and Kingston achieved the new record value for DDR5 memory with 5.001.8 MHz with the help of liquid nitrogen, the so-called liquid nitrogen (LN2). CL72-126-126-126.

Just a few days ago, I encountered Gigabyte with the most impressive DDR5-10044 CL46-58-58-46.

The fastest DDR4 memory module to date ran at 3600MHz or DDR4-7200 and a CAS memory latency of 58 clock cycles. DDR4 memory hits a solid clock wall at 7200MB/s in many cases, and only the best overclockers can reach higher memory frequencies.

DDR4-2133 to DDR5-7200

Most gamers are more human in everyday life, regardless of whether they are using lighter or more powerful OC based on JEDEC standards and CPU specifications using an XMP profile or manual adjustments. But what is the hour of memory or the standard used by members of society?

Users who don’t know what specs they’re running with their RAM can use ZenTimings or HWiNFO system tools, for example, to read information like the memory clock and timezone.

BIOS, utility or manual work?

Users who run RAM-OC usually do this for several reasons. In addition to sometimes higher scores on many synthetic benchmarks and insignificant performance advantages in memory-intensive applications, gamers also benefit from RAM-OC.

Overclocking the main memory can increase the number of frames per second, especially in the CPU limit, and above all increase the minimum frames per second in games.

When it comes to RAM OC, there are also many ways to get there. While one user relies on OC and System Tools as well as Auto-OC in BIOS, the other explores the memory clock, primary, secondary and tertiary timings, and resistors entirely manually.

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The editors would be very happy to receive good, detailed reasons for your decisions in the comments to this Sunday question.

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