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Clock rate or clock speed in computing typically refers to the frequency at which the clock generator of a processor can generate pulses used to synchronize the operations of its components. [1] It is used as an indicator of the processor's speed. Clock rate is measured in the SI unit of frequency hertz (Hz).
For example, a system with an external clock of 100 MHz and a 36x clock multiplier will have an internal CPU clock of 3.6 GHz. The external address and data buses of the CPU (often collectively termed front side bus (FSB) in PC contexts) also use the external clock as a fundamental timing base; however, they could also employ a (small) multiple ...
Core Released Revision Decode Pipeline depth Out-of-order execution Branch prediction big.LITTLE role Exec. ports SIMD Fab (in nm) Simult. MT L0 cache L1 cache Instr + Data (in KiB) L2 cache L3 cache Core configu-rations Speed per core (DMIPS/ MHz [note 1]) Clock rate ARM part number (in the main ID register) Have it Entries ARM Cortex-A32 (32 ...
Multi-core, multithreading, 2 threads per core, in-order IBM zEnterprise zEC12: 2012 15/16/17 Multi-core, 6 cores per chip, up to 5.5 GHz, superscalar, out-of-order, 48 MB L3 cache, 384 MB shared L4 cache IBM A2: 15 multicore, 4-way simultaneous multithreaded PowerPC 401: 1996 3 PowerPC 405: 1998 5 PowerPC 440: 1999 7 PowerPC 470: 2009 9
As of 2018, many Intel microprocessors are able to exceed a base clock speed of 4 GHz (Intel Core i7-7700K and i3-7350K have a base clock speed of 4.20 GHz, for example). In 2011, AMD was first able to break the 4 GHz barrier for x86 microprocessors with the debut of the initial Bulldozer based AMD FX CPUs. In June 2013, AMD released the FX ...
64 ~ 80 KiB per core 256 ~ 512 KiB per core 16 MiB Some Intel Core i9 (Extreme Edition) i9-7900X i9-7920X i9-7940X i9-7960X i9-7980XE Kaby Lake Cascade Lake: Q3 2017–present 2.90 GHz – 4.30 GHz LGA 2066: 14 nm 35 W – 165 W 8 - 18 (with hyperthreading) 8 GT/s 64 KiB per core 1 MiB per core 13.75 MiB – 24.75 MiB Yes Processor Series ...
Cores Clock rate IGPU Smart cache TDP Price (USD) Socket Launch Base All-core turbo Turbo boost 2.0 Turbo boost max. 3.0 GPU Clock rate, max. EUs; Core i9: 11900K 8 (16) 3.5 GHz 4.8 GHz 5.1 GHz 5.2 GHz UHD 750: 1.3 GHz 32 EUs 16 MB 125 W $ 539 LGA 1200: Q1 2021 11900KF - $ 513 11900 2.5 GHz 4.7 GHz 5.0 GHz 5.1 GHz UHD 750: 1.3 GHz 32 EUs 65 W $ 439
The final result comes from dividing the number of instructions by the number of CPU clock cycles. The number of instructions per second and floating point operations per second for a processor can be derived by multiplying the number of instructions per cycle with the clock rate (cycles per second given in Hertz) of the processor in question ...