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Before the Coffee Lake architecture, most Xeon and all desktop and mobile Core i3 and i7 supported hyper-threading while only dual-core mobile i5's supported it. Post Coffee Lake, increased core counts meant hyper-threading is not needed for Core i3, as it then replaced the i5 with four physical cores on the desktop platform. Core i7, on the ...
Processor family Model Cores Threads Clock rate (GHz) Cache (MB) IGP TDP (W) Codename Socket Release Base Max. turbo L1 L2 L3 Processor Clock rate (MHz) Base Max. dynamic Core i7: 8700K 6 12 3.70: 4.70 — — 12 UHD 630: 350: 1200 95 Coffee Lake: LGA 1151: Q4 2017 8700 6 12 3.20: 4.60 — — 12 UHD 630: 350: 1200 65 Q4 2017 8086K 6 12 4.00 ...
Cores SMT Clock rate Bus Speed & Type [a] Cache Socket Memory Controller Features L1 L2 L3 SIMD Speed/Power Other Changes Am386 Am386: Sx/SxL/SxLV [1] 1 No 25–40 [1] FSB 100 PQFP [1] discrete: Am486 [2] 500, 350 Am486: 1 No 25–120 FSB 8 168 pin PGA 208 SQFP discrete: 500, 350 Enhanced Am486: 66–120 FSB 8, 8/16 168 pin PGA 208 SQFP [3 ...
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
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 ...
Despite the decrease in maximum frequency compared to POWER6 (4.25 GHz vs 5.0 GHz), each core has higher performance than the POWER6, while each processor has up to 4 times the number of cores. POWER7 has these specifications: [12] [13] 45 nm SOI process, 567 mm 2; 1.2 billion transistors; 3.0–4.25 GHz clock speed; max 4 chips per quad-chip ...
Further, a "cumulative clock rate" measure is sometimes assumed by taking the total cores and multiplying by the total clock rate (e.g. a dual-core 2.8 GHz processor running at a cumulative 5.6 GHz). There are many other factors to consider when comparing the performance of CPUs, like the width of the CPU's data bus , the latency of the memory ...
CPU time (or process time) is the amount of time that a central processing unit (CPU) was used for processing instructions of a computer program or operating system. CPU time is measured in clock ticks or seconds. Sometimes it is useful to convert CPU time into a percentage of the CPU capacity, giving the CPU usage.