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Intel Core i5-12400 “Locked” CPU Overclocked by 600MHz to 5GHz on Budget B760 Motherboard

BCLK overclocking was one of the many things that became relevant with Intel’s 12th Gen Alder Lake processors. For the first time, the non-K chips can be overclocked effectively on certain motherboards. While these chips’ clock “multiplier” was still locked, enthusiasts could overclock them by increasing the base CPU clock (Core clock= base clock * multiplier).

The results have been pretty impressive. Several YouTubers and enthusiasts have overclocked the Core i5-12400. We’re looking at the same level of overclocking ability as the K-series chips here. Prominent tipster @g01d3nm4ng0 has revealed that the next-gen B760 motherboards will retain this feature (on higher-end SKUs).

The MSI MAG B760M Mortar WiFi is one such board. Set to launch next week, the MAX series is an overclocker’s favorite, with support for BLCK overclocking using an external clock generator. The Renesas RC26008 allows users to increase the BLCK of their 12th or 13th Gen Core non-K processors. The result is a massive frequency uplift of up to 600MHz, bringing the single-core boost clock up to 5GHz.

The Core i5-12400 was paired with the MSI MAG B760M Mortar Max WiFi, and the BLCK was increased by 25MHz to 125MHz. This results in an effective boost clock of 5GHz, up from the 4.4GHz stock peak. Motherboards featuring a clock generator won’t come cheap. The B70 Mortar WiFi will cost $220 and $230 for the DDR4 and DDR5 variants, respectively. Therefore, unless you’re an enthusiast who tends to fine-tune every piece of hardware, I’d recommend sticking to cheaper SKUs.

Source:

i5-12400 OC 5.0GHz (125MHz x40) on MAG B760M Mortar Max WiFi featuring Renesas RC26008 clock generator.

Originally tweeted by chi11eddog (@g01d3nm4ng0) on December 28, 2022.

Areej

Computer hardware enthusiast, PC gamer, and almost an engineer. Former co-founder of Techquila (2017-2019), a fairly successful tech outlet. Been working on Hardware Times since 2019, an outlet dedicated to computer hardware and its applications.