Intel i5-2500K BX80623I52500K User Manual

Datasheet, Volume 1

11

Introduction

• Four or two execution cores
• A 32-KB instruction and 32-KB data first-level cache (L1) for each core
• A 256-KB shared instruction/data second-level cache (L2) for each core
• Up to 8-MB shared instruction/data third-level cache (L3), shared among all cores

• Intel

®

 Virtualization Technology for Directed I/O (Intel

®

 VT-d)

• Intel

®

 Virtualization Technology (Intel

®

 VT-x)

• Intel

®

 Active Management Technology 7.0 (Intel

®

 AMT 7.0)

• Intel

®

 Trusted Execution Technology (Intel

®

 TXT)

• Intel

®

 Streaming SIMD Extensions 4.1 (Intel

®

 SSE4.1)

• Intel

®

 Streaming SIMD Extensions 4.2 (Intel

®

 SSE4.2)

• Intel

®

 Hyper-Threading Technology

• Intel

®

 64 Architecture

• Execute Disable Bit
• Intel

®

 Turbo Boost Technology

• Intel

®

 Advanced Vector Extensions (Intel

®

 AVX)

• Advanced Encryption Standard New Instructions (AES-NI)
• PCLMULQDQ Instruction

• Two channels of unbuffered DDR3 memory with a maximum of two UDIMMs or SO-

DIMMs (for AIO) per channel 

• Single-channel and dual-channel memory organization modes
• Data burst length of eight for all memory organization modes
• Memory DDR3 data transfer rates of 1066 MT/s and 1333 MT/s 
• 64-bit wide channels
• DDR3 I/O Voltage of 1.5 V
• The type of memory supported by the processor is dependent on the PCH SKU in 

the target platform

— Desktop PCH platforms support non-ECC un-buffered DIMMs only
— All In One platforms (AIO) support SO-DIMMs

• Maximum memory bandwidth of 10.6 GB/s in single-channel mode or 21 GB/s in 

dual-channel mode assuming DDR3 1333 MT/s

• 1Gb, 2Gb, and 4Gb DDR3 DRAM technologies are supported

— Using 4Gb device technologies, the largest memory capacity possible is 32 GB, 

assuming Dual Channel Mode with four x8 dual ranked unbuffered DIMM 

memory configuration.