What speed is my RAM, really?
Posted: Sat Nov 07, 2020 8:55 pm
I've bought some DDR4-3000 RAM. I've set the memory's speed to 3000 MHz in the BIOS manually.
Windows reports that my memory is running at 3000 MHz, and the "Memory" tab in CPU-Z reports 1499.1 MHz, which I believe is correct.
However, the "SPD" tab in CPU-Z reports DDR4-2132. Who's telling the truth?
If I let my BIOS set the memory speed automatically, then everybody agrees it's running at 2133 MHz.
I've run MemTest 86+ and it's found no errors. The BIOS is up to date.
Windows reports that my memory is running at 3000 MHz, and the "Memory" tab in CPU-Z reports 1499.1 MHz, which I believe is correct.
However, the "SPD" tab in CPU-Z reports DDR4-2132. Who's telling the truth?
If I let my BIOS set the memory speed automatically, then everybody agrees it's running at 2133 MHz.
I've run MemTest 86+ and it's found no errors. The BIOS is up to date.
Code: Select all
BankLabel Capacity Caption CreationClassName DataWidth Description DeviceLocator FormFactor Manufacturer PartNumber Speed
BANK 1 8589934592 Physical Memory Win32_PhysicalMemory 64 Physical Memory DIMM_A2 8 G-Skill F4-3000C16-8GISB 3000
BANK 3 8589934592 Physical Memory Win32_PhysicalMemory 64 Physical Memory DIMM_B2 8 G-Skill F4-3000C16-8GISB 3000