Cache

Main article: Sandy Bridge § Cache

[Edit/Modify Cache Info]

Cache Organization Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory. The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC. Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies. Note: All units are in kibibytes and mebibytes.

L1$ 128 KiB 131,072 B 0.125 MiB L1I$ 64 KiB 65,536 B 0.0625 MiB 2x32 KiB 8-way set associative   L1D$ 64 KiB 65,536 B 0.0625 MiB 2x32 KiB 8-way set associative write-back L2$ 512 KiB 0.5 MiB 524,288 B 4.882812e-4 GiB     2x256 KiB 8-way set associative write-back L3$ 4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB     2x2 MiB 16-way set associative write-back

Memory controller

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	Integrated Memory Controller
	Max Type DDR3-1333, DDR3-1066 Supports ECC No Max Mem 16 GiB Controllers 1 Channels 2 Max Bandwidth 19.87 GiB/s 20,346.88 MiB/s 21.335 GB/s 21,335.25 MB/s 0.0194 TiB/s 0.0213 TB/s Bandwidth Single 9.93 GiB/s Double 19.87 GiB/s

Expansions

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	Expansion Options
PCIe Revision: 2.0 Max Lanes: 16 Configuration: 1x16, 2x8, 1x8+2x4

Features

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	Supported x86 Extensions & Processor Features