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Overclocking BIOS setup on an ABIT NF7-S motherboard with an AMD Athlon XP processor. Front side bus (FSB) frequency (external clock) has been increased from 133 MHz to 148 MHz, and the CPU clock multiplier factor has been changed from 13.5 to 16.5. This corresponds to an overclocking of the FSB by 11.3 percent and of the CPU by 36 percent.
[5] [6] This is surpassed by the CPU-Z overclocking record for the highest CPU clock rate at 8.79433 GHz with an AMD FX-8350 Piledriver-based chip bathed in LN2, achieved in November 2012. [7] [8] It is also surpassed by the slightly slower AMD FX-8370 overclocked to 8.72 GHz which tops off the HWBOT frequency rankings.
AMD employs two different CPU throttling technologies. AMD's Cool'n'Quiet technology is used on its desktop and server processor lines. The aim of Cool'n'Quiet is not to save battery life, as it is not used in AMD's mobile processor line, but instead with the purpose of producing less heat, which in turn allows the system fan to spin down to ...
AMD Turbo Core a.k.a. AMD Core Performance Boost (CPB) is a dynamic frequency scaling technology implemented by AMD that allows the processor to dynamically adjust and control the processor operating frequency in certain versions of its processors which allows for increased performance when needed while maintaining lower power and thermal parameters during normal operation. [1]
AMD PowerNow! is AMD's dynamic frequency scaling and power saving technology for laptop processors. The CPU 's clock speed and VCore are automatically decreased when the computer is under low load or idle, to save battery power, reduce heat and noise .
AMD's Extended Profiles for Overclocking (EXPO) is a JEDEC SPD extension developed for DDR5 DIMMs to apply a one-click automatic overclocking profile to system memory. [30] [31] AMD EXPO-certified DIMMs include optimised timings that optimise the performance of its Zen 4 processors. [32]
Intel’s announcement comes as it faces stiff competition from longtime rival AMD , which showed off its AI Pro 300 series of processors for commercial systems back in October. Chipmaker Qualcomm ...
For calculation, the CPU uses actual bus frequency, and not effective bus frequency. To determine the actual bus frequency for processors that use dual-data rate (DDR) buses (AMD Athlon and Duron) and quad-data rate buses (all Intel microprocessors starting from Pentium 4) the effective bus speed should be divided by 2 for AMD or 4 for Intel.