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Intel Core i5-2500K Sandy Bridge CPU E-mail
Reviews - Featured Reviews: Processors
Written by Hank Tolman   
Monday, 03 January 2011
Table of Contents: Page Index
Intel Core i5-2500K Sandy Bridge CPU
Features and Specifications
Closer Look: Core i5-2500K
CPU Testing and Results
AIDA64 Benchmark Tests
Passmark PerformanceTest
PCMark Vantage Benchmark Tests
SiSoftware Sandra Tests
Cinebench R11.5 Benchmarks
Street Fighter IV Benchmark
x264Bench HD 3.0 Test
Sandy Bridge Final Thoughts
Intel Core i5-2500K Conclusion

Sandy Bridge Features

Intel Microarchitecture

  • Efficient monolithic die spanning dual and quad core CPUs
  • Energy-efficient architecture

Processor Graphics

  • Full integration of Graphics core into the CPU
  • Seamless visual experience - Fantastic media processing for faster editing, sharing and syncing. Support for HDMI 1.4 Stereoscopic 3D and Intel Wireless Display.
  • Improved graphics performance comparable to entry level discrete cards

Intel Turbo Boost Technology 2.0

  • Intel Turbo Boost Technology 2.0 maximizes performance within defined thermal envelope with support for Dynamic Range Frequency limits
  • Sandy Bridge Graphics with Dynamic Frequency delivers graphics performance boost to graphics intensive applications.

Up to 8MB Shared Intel Smart Cache

  • Last Level Cache (LLC) Shared between CPU and Graphics for better performance
  • Faster access to your data by enabling dynamic and efficient allocation of cache

Integrated Memory Controller

  • Improves performance with lower latency and higher memory bandwidth for data intensive applications

Halogen Free

  • Support for Halogen free component packages

Supported Technologies

  • 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

Core i5-2500K Specifications

  • Base Clock Speed: 3.3GHz
  • # of Cores: 4
  • # of Threads: 4
  • Max Turbo Frequency: 3.7GHz
  • L1 Cache: 32KB Instruction and 32KB Data for each core
  • L2 Cache: 256KB Shared Instruction/Data for each core
  • L3 Cache: 6MB Shared Instruction/Data among all cores
  • Instruction Set: 64-bit
  • Instruction Set Extensions: SSE4.2
  • Lithography: 32nm
  • Max TDP: 95W
  • 1ku Bulk Budgetary Price: $216
  • Memory Types: DDR3-1066/1333
  • Intel HD Graphics: Yes
  • Intel HD Graphics 2000/3000: 3000
  • Graphics Base Frequency: 850MHz
  • Graphics Max Dynamic Frequency: 1100MHz
  • Intel Flexible Display Interface: Yes
  • Intel Clear Video HD Technology: Yes
  • Dual Display Capable: Yes
  • Socket Supported: LGA1155
  • Intel Hyper-Threading Technology: No
  • Intel Virtualization Technology: Yes
  • Intel Advanced Vector Extensions (AVX): Yes
  • Intel vPro / TXT / VT-d / Intel SIPP: Yes
  • Intel Quick Sync Video: Yes
  • AES New Instructions: Yes



# GamerKyle 2011-01-06 20:39
I agree with the that every new line of processors comes with new motherboards. To me this is quite silly and I wish that they would not do as such. It is also a fault when Intel is placing quite the restriction on overclocking even with the K models.

Either way I am most likely going to get the i5 2500k since it is very strong. Also the price is rather cheap at $211 when currently the i5 750 is $200 and the i5 760 is about $209 dollars. Since I did not upgrade following the first i series I would need to get a new motherboard anyway.Integrated graphics means little to me since as a gamer I would get a higher end GPU regardless. I just have to make sure the motherboard is p67 not H67 for overclocking and such.

Anyway nice read, thanks for the article.
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# MrJMG 2011-02-23 14:57
If the p67 motherboards do not use the GPU on these new chips does that mean the GPU potential goes to waste I.e. If it were to make use of it, then in a standard system would you have, in effect, two graphics cards (with the intel HD GPU plus whatever other dedicated graphics card you use working together)?
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# RE: MrOlin Coles 2011-02-23 15:12
Only H67-Express motherboards can utilize Sandy Bridge integrated graphics, because only those motherboards have the DVI/D-SUB/HDMI output ports built-in. NVIDIA is already working with Intel on this very solution. Using Optimus technology, paired with Lucid Logic 'GPU Virtualization' software (yet unannounced), the Sandy Bridge CPU will be able to enable QuickSync + GPU.
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# mrzikkun 2012-03-24 11:35
nahh. actually h61 also have dvi, hdmi ports, dont know about d-sub(need it?). so actually use h61 and run this cpu is could be cheap, than buy a h67 or whatever that expensive twice
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