Hopefully this will bring the price of the 13th and 14th gen cpus down. Let most people think that these CPUs are faulty. In any case here is a well-known simple fix that pretty much always works.
1. Go to your BIOS.
(a) For ASUS go to the
Extreme Tweaker section.
(c) For Gigabyte go to
Advanced mode and then choose
Tweaker
(b) For MSI go to the
OC (Overclocking) section.
2. Sync all cores and set the all-core ratio limit of the p cores to whatever their Turbo boost 2.0 frequency is for your CPU. It is listed on the Intel ARC database as
Performance-core (i.e. P Core) Max Turbo Frequency. Below is a list of these p-core turbo 2.0 frequencies:
13700K – 5.3GHz
13900K/KF/KS - 5.4GHz.
14700K – 5.5GHz
14900K – 5.6GHz
14900KS – 5.7GHz
(a) For ASUS go to
Performance Core Ratio. The default is set to Auto. Change it to
Sync All Cores. And then go to
ALL-CORE Ratio Limit and type the multiplier corresponding to the frequencies mentioned above (so type
53 for the 13700K,
54 for the 13900K/KF/KS,
55 for the 14700K,
56 for the 14900K and
57 for the 14900KS)
(b) For Gigabyte go to
Performance Core Ratio and change
Auto by typing the multiplier in the field (type 53 for the 13700K, etc)
(c) For MSI go to Adjusted CPU frequency. Then go to
Per P-core Ratio Limit. The default is set to Auto. Change it to
Manually. For every P-core type the same multiplier (53 for all 8 cores of the 13700L, 54 for all 8 cores of the 13900K/KF/KS, etc see above)
No need to do anything about the e cores.
3. If you are going to run RAM that is above 5600MHz buy
Karhu (the licence costs just 10Euros ~ 11USD). Run the test for 24 hours. If it passes you are good.
4. The official Intel support is 5600MHz and 4400MHz for 1 and 2 DIMMs per channel respectively. Pretty much virtually all the i7 and i9 K SKUS should pass the Karhuu test for anything up to 6400MHz for 1 DIMM per channel (i.e using 2 two sticks of RAM) and up to 5200MHz for 2 DIMMs per channel (i.e. using 4 sticks of RAM). For higher speeds it will depend on the IMC. In any case if it fails to pass the Karhu test you can either lower the RAM frequency from the advertised XMP and try again or use same frequency but with manually tuned timings and try again.
5. If your CPU has been running unstably or has been on the verge of instability for a while you might:
(i) need to re-install your OS as it may be corrupted. If you did the above steps most likely the hardware issue is fixed but the issue might persist due to corrupted OS. So re-install Windows.
(ii) have degraded over time silicon and in such case you will need to lower the above-mentioned speeds by 100 or 200MHz .
6. Enjoy a fully stable crash-free system for several years. Come here and thank me. Ignore any cynical posts/replies below. Just do this and 99.9% of the time it works.