Core i5 is a brand name used by Intel for several new processors. It is positioned between the mainstream Core i3 & Core 2 and the high-end Core i7 & Xeon brands.
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iCores
| Codename (main article) | Brand name (list) | Cores | L3 Cache | Socket | TDP | I/O Bus |
|---|---|---|---|---|---|---|
| Lynnfield | Core i5-7xx | 4 | 8 MiB | LGA 1156 | 95 W | Direct Media Interface |
| Core i5-7xxS | 82 W | |||||
| Clarkdale | Core i5-6xx | 2 | 4 MiB | 73-87 W | Direct Media Interface, Integrated GPU | |
| Arrandale | Core i5-4xxM | 3 MiB | µPGA-989 | 35 W | ||
| Core i5-5xxM | ||||||
| Core i5-5xxUM | 18 W |
On September 8, 2009, Intel released the first Core i5 processor: The Core i5 750,[1] which is a 2.66 GHz quad-core Lynnfield processor with Hyper-threading disabled. Lynnfield Core i5 processors have an 8 MB L3 cache, a DMI bus running at 2.5 GT/s and support for dual-channel DDR3-800/1066/1333 memory. The same processors with different sets of features (Hyper-Threading and other clock frequencies) enabled are sold as Core i7-8xx and Xeon 3400-series processors, which should not be confused with high-end Core i7-9xx and Xeon 3500-series processors based on Bloomfield.
The Core i5-5xx mobile processors are named Arrandale and based on the 32 nm Westmere shrink of the Nehalem microarchitecture. Arrandale processors have integrated graphics capability but only two processor cores. They were released in January 2010, together with Core i7-6xx and Core i3-3xx processors based on the same chip. The L3 cache in Core i5-5xx processors is reduced to 3 MB, while the Core i7-6xx will use the full cache and the Core i3-3xx will have no support for Turbo Boost[2]. Clarkdale, the desktop version of Arrandale, is sold as Core i5-6xx, along with related Core i3 and Pentium brands. It has Hyper-Threading enabled and the full 4 MB L3 cache.
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| Produced | From 2009 |
|---|---|
| Designed by | Intel |
| Common manufacturer(s) | Intel |
| Max. CPU clock rate | 3.46 GHz |
| DMI speeds | 2.5 GT/s |
| Min. feature size | 45 nm to 32 nm |
| Instruction set | x86, x86-64, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2 |
| Microarchitecture | Intel Nehalem, Intel Westmere |
| Cores | 2-4 |
| Socket(s) | LGA 1156, mPGA989 |
| Core name(s) | Arrandale, Clarkdale, Lynnfield |
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