Template:mpu Core i5-2557M is a dual-core mid-range performance mobile x86 microprocessor introduced by Intel in mid-2011. This chip, which is fabricated on a 32 nm process based on the Sandy Bridge microarchitecture, operates at 1.7 GHz with a TDP of 17 Watts and a Turbo Boost frequency of up to 2.7 GHz. The i5-2557M incorporates HD Graphics 3000 integrated graphics operating at 350 MHz with a burst frequency of 1.2 GHz and supports up to 16 GiB of dual-channel DDR3-1333 memory.

Cache

Main article: Sandy Bridge § Cache

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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$ 3 MiB 3,072 KiB 3,145,728 B 0.00293 GiB     2x1.5 MiB 12-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 8 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

Wireless

Wireless Communications
Cellular
4G	WiMAX   Yes

Graphics

[Edit/Modify IGP Info]

	Integrated Graphics Information
	GPU HD Graphics 3000 Designer Intel Device ID 0x116 Execution Units 12 Max Displays 2 Frequency 350 MHz 0.35 GHz 350,000 KHz Burst Frequency 1,200 MHz 1.2 GHz 1,200,000 KHz Output DP, eDP, HDMI, SDVO, CRT Standards DirectX 10.1 OpenGL 3.1 DP 1.1 eDP 1.1 HDMI 1.4 Additional Features Intel Quick Sync Video Intel InTru 3D Intel Flexible Display Interface (FDI) Intel Clear Video HD

[Edit] Sandy Bridge (Gen6) Hardware Accelerated Video Capabilities
Codec	Encode			Decode
	Profiles	Levels	Max Resolution	Profiles	Levels	Max Resolution
MPEG-2 (H.262)	✘			Main	Main, High	Up to 80 Mbps
MPEG-4 AVC (H.264)	Main	4.1	Up to 40 Mbps	Main, High	4.1	Up to 40 Mbps
VC-1	✘			Advanced, Main, Simple	3, High, Simple	Up to 40 Mbps

Features

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Supported x86 Extensions & Processor Features

MMX MMX Extension EMMX Extended MMX Extension SSE Streaming SIMD Extensions SSE2 Streaming SIMD Extensions 2 SSE3 Streaming SIMD Extensions 3 SSSE3 Supplemental SSE3 SSE4.1 Streaming SIMD Extensions 4.1 SSE4.2 Streaming SIMD Extensions 4.2 AVX Advanced Vector Extensions AES AES Encryption Instructions CLMUL Carry-less Multiplication Extension x86-16 16-bit x86 x86-32 32-bit x86 x86-64 64-bit x86 Real Real Mode Protected Protected Mode SMM System Management Mode FPU Integrated x87 FPU NX No-eXecute HT Hyper-Threading EIST Enhanced SpeedStep Technology VT-x VT-x (Virtualization) EPT Extended Page Tables (SLAT) Flex Memory Flex Memory Access FMA Fast Memory Access (w\ GMCH) MWT My WiFi Technology ATT Anti-Theft Technology IPT Identity Protection Technology