Intel Core i9-9900KF could offer a slightly higher overclocking potential than the 9900K
Intel announced new CPUs at CES 2019 and one of them was the Core i9-9900KF, which for all intents and purposes is a Core i9-9900K but with the iGPU disabled. The Core i9-9900KF is on pre-order right now but famed overclocker Allen 'Splave' Golibersuch had the chance to take it for a test drive. Apparently, the Core i9-9900KF seems to overclock better under extreme cooling compared to the Core i9-9900K.
Splave had access to 200 9900Ks and 5 9900KFs of which he binned about 23 9900Ks for overclocking under extreme cooling. 19 of these chips could hit 5.3 GHz on water cooling but none could achieve 5.4 GHz. Interestingly, one of the 5 9900KFs could attain the 5.4 GHz mark on water and could even complete 3/4th of the Cinebench R15 at 5.5 GHz on air.
On liquid nitrogen, the 9900KF that previously could hit 5.4 GHz on water could attain 6.95 GHz in a Cinebench R15 run at 1.73 V, which is 75 MHz faster than what was attainable by one of the binned 9900Ks. There could be several reasons as to why the 9900KF could offer higher overclocking frequencies. It could be better quality silicon, updated stepping, or the extra thermal headroom offered by the disabled iGPU that does not draw power from the socket. Remember that the iGPU in the 9900K continues to draw power even if you use a discrete graphics card unless it is explicitly disabled in the BIOS
While the overall sample size might seem small to conclusively declare the Core i9-9900KF as a winner when it comes to overclocking potential, it does give some indication that the new KF series could prove to be an overclocker's favorite.
That being said, disabling the iGPU does not seem to have had any effect on the prices though, and the 9900KF is available for pre-order for US$582.50 — US$52 more than the 9900K itself.
Check out the Source link below for binning results and benchmark values, and let us know what you think.