According to some forum posts of people having issues with tuning a 5800X3D CPU through the UEFI, and this Github guide on "How to undervolt AMD RYZEN 5800X3D with PBO2-Tuner" (out of date?), it seems that the 5800X3D cannot "officially" be tuned?
(Some posts say that this was changed with an AGESA update?)
- Are all 5000 series X3D chips "officially" locked down still?
- Does it depend on the mobo / AGESA / UEFI version?
- Any boards that do support it?
- Does it apply to all 5000 series X3D CPU's?
- How about the 7000 series?
Thanks
3 Comments
From what I remember AMD locked the 5000 series X3D chips because the extra L3 cache runs hotter
You cannot use auto overclock, but you can use PBO2, and for that you need the latest BIOS version.
The 5X00X3D is only locked out of manual overclocking – changes to the frequency multiplier and static voltage.
When the 5800X3D was originally launched curve optimiser was not available in the bios but was available via software through pbo2tuner.
Later AGESA revisions (on my bios as of AGESA 1.2.0.8) added the curve optimiser to the bios, i believe this is the same for other board manufacturers but they may have had it a little later/earlier. Keep in mind that it’s still on the AM4 socket, so there may be some who upgraded to X3D from a first generation Ryzen chip and motherboard – which may not have gotten official curve optimiser support, though newer boards should be supported.
The FCLK and RAM tuning is the exact same as any of the other 5000 series desktop chips, BCLK can also be tuned if you want to squeeze a few extra mhz from the chip (not advised on x570 boards)
Ryzen 7000X3D had all of this at launch and is fuctionally the same – only with a deeper curve optimiser range, from -30 to -50 and runs DDR5.