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Intel PLEASE let me Overclock this! - BCLK Overclocking on a B660M board

Linus Tech Tips@LinusTechTips1.2M viewsOct 4, 202213:19
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Check out SignalRGB and sync all your RGB peripherals at bit.ly MSI's MAG B660M Mortar Max motherboard has a secret chip up its sleeve that people all over the world won't get access to until after Raptor Lake launches. Is Base Clock Overclocking worth the hassle in modern games and productivity? Why are we locked out of this on non-K CPUs if we want to try it out? Discuss on the forum: linustechtips.com Buy an Intel Core i5 12500: geni.us Buy an MSI MAG B600M Mortar: geni.us Buy a kit of Crucial Ballistix 3200 DDR4 RAM: geni.us Purchases made through some store links may provide some compensation to Linus Media Group. ► GET MERCH: lttstore.com ► SUPPORT US ON FLOATPLANE: floatplane.com ► AFFILIATES, SPONSORS & REFERRALS: lmg.gg ► PODCAST GEAR: lmg.gg FOLLOW US --------------------------------------------------- Twitter: twitter.com Facebook: @LinusTech Instagram: @linustech TikTok: @linustech Twitch: twitch.tv MUSIC CREDIT --------------------------------------------------- Intro: Laszlo - Supernova Video Link: youtube.com iTunes Download Link: itunes.apple.com Artist Link: soundcloud.com Outro: Approaching Nirvana - Sugar High Video Link: youtube.com Listen on Spotify: spoti.fi Artist Link: youtube.com Intro animation by MBarek Abdelwassaa @mbarek_abdel Monitor And Keyboard by vadimmihalkevich / CC BY 4.0 geni.us Mechanical RGB Keyboard by BigBrotherECE / CC BY 4.0 geni.us Mouse Gamer free Model By Oscar Creativo / CC BY 4.0 geni.us CHAPTERS --------------------------------------------------- 0:00 Intro 1:14 B660M Mortar Max 2:25 Overclocking 6:00 5.25GHz Results 7:12 AMD 9:13 BCLK Issues 10:15 Conclusion 13:06 Outro

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This video digs into BCLK overclocking on a budget motherboard, using an MSI MAG B660M Mortar Max and an Intel Core i5-12500 to test how far base clock based overclocking can push performance. The host frames the topic around the old freedom to overclock being restricted to K-series CPUs and premium boards, arguing that a non-K chip paired with a clock generator can still yield meaningful speed gains. The investigation starts with introducing the board’s unique RC26008 external clock generator, which MSI ships on the Mortar Max, and explains why base clock overclocking was historically limited by Intel’s licensing. We then walk through the setup, including cooling with an NH-D15 and memory tuning to a target around 3200 MHz, before stepping into the actual overclocking attempt. The core of the video documents the initial overclocking attempt, showing how the base clock is raised from 100 to 125 and the CPU core ratio set to push the 12500 toward higher frequencies. The host notes a rapid, hands-on process with quick voltage adjustments and real-time validation, reporting a successful run to five gigahertz on all cores and detailed thermal observations on the NH-D15 cooler. Benchmark results are highlighted, with Cinebench scores approaching those of much more expensive CPUs, and productivity benchmarks like Blender and 7Zip showing sizable gains. The narrative remains balanced, acknowledging instability risks with base clock overclocking and comparing the experience to AMD’s more permissive overclocking practices, while underscoring the practical limits on non-K CPUs and the cost/availability considerations of the MSI board. In the closing sections, the host weighs the value proposition of base clock overclocking on budget CPUs, noting that even when gaming FPS gains are in the tens of frames per second, GPU bottlenecks often cap the practical benefits. The discussion expands to broader market implications, including the price and availability of the RC26008-enabled board, and a candid comparison to non-max variants and budget Z690 options. The video wraps with a call to consider stability testing as a must when pursuing BCLK overclocking, and a light promotional note about the sponsor and related content. Overall, the video presents a thorough, experiment-driven exploration of BCLK overclocking on a modern budget platform, highlighting both the potential performance uplift and the caveats that come with non-traditional overclocking paths.

Topics · overclocking · hardware · gaming · performance · cpu · motherboard · pc-building · benchmarking

Questions answered

What is the baseline for overclocking used in this test and what component enables base clock overclocking on the MSI B660M Mortar Max?
The baseline base clock is 100 MHz, and the board uses an external clock generator chip, the Renesas RC26008, to enable base clock overclocking on non-K CPUs.
Why do the testers warn against base clock overclocking on non-K CPUs, and what should be tested for stability?
Base clock overclocking can affect CPU, memory, PCIe lanes, and storage, so stability requires comprehensive tests including FurMark, MEMTest, and real-world validations to avoid crashes or data corruption.