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Intel Core i5-655K Processor BX80616I5655K E-mail
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Written by Servando Silva   
Thursday, 29 July 2010
Table of Contents: Page Index
Intel Core i5-655K Processor BX80616I5655K
Features and Specifications
Closer Look: Core i5 655K
Core i5 655K Overclocking
CPU Testing Methodology
EVEREST Benchmark Tests
Passmark Performance Test
PCMark Vantage Benchmark Tests
SiSoftware Sandra
Cinebench R11.5 Benchmark
Video Game Benchmarks
CPU Power Consumption
Core i5 655K: Subzero Overclocking
Core i5 655K Final Thoughts
BX80616I5655K Conclusion

Intel Core i5 655K Features

  • Dual-core processing 32nm dual-core processing runs two independent processor cores in one physical package at the same frequency.
  • Turbo Boost Technology Automatically speeds up your processor when your PC needs extra performance- that's smart performance with a speed boost. Available in select models of the new 2010 Intel Core i5 processor-based systems.
  • Hyper-Threading Technology Features 4-way multi-task processing that allows each core of your processor to work on two tasks at the same time, delivering the performance you need for smart multitasking. You and your PC won't be slowed down; regardless of how many applications you have open at once.
  • HD Graphics Intel HD Graphics provides superb visual performance for sharper images, richer color, and life-like audio and video. Watch movies and Internet videos in high-definition, play popular game titles and get full support for Microsoft Windows 7. It's all built in; no need for an extra add-in video card.
  • Integrated memory controller enables two channels of high-speed DDR3 1333 MHz memory. This memory controller's lower latency and higher memory bandwidth delivers amazing performance for data-intensive applications.
  • Intel Smart Cache is a shared cache dynamically allocated to each processor core, based on workload. This efficient, dual-core-optimized implementation increases the probability that each core can access data from the fast cache, significantly reducing latency to frequently used data and improving performance. Optimized for industry-leading multi-threaded games.
  • New Overclocking Enabled with Unlocked multiplier
  • New Increase power and current limits
  • New Increase DDR3 ratios
  • New Increase core ratios via Turbo Boost


Image provided by Intel Corporation

Intel BX80616I5655K Specifications

  • Base Clock Speed: 3.2GHz
  • # of Cores: 2
  • # of Threads: 4
  • Max Turbo Frequency: 3.46GHz
  • Intel Smart Cache: 4MB
  • Bus/Core Ratio 24
  • DMI: 2.5GT/s
  • Instruction Set: 64-bit
  • Instruction Set Extensions: SSE4.2
  • Lithography: 32nm
  • Max TDP: 73W
  • VID Voltage Range: 0.65v - 1.4v
  • 1ku Bulk Budgetary Price: $216
  • Max Memory Size: 16GB
  • Memory Types: DDR3-1066/1333
  • Intel HD Graphics: Yes
  • Graphics Base Frequency: 733MHz
  • Intel Flexible Display Interface: Yes
  • Intel Clear Video HD Technology: Yes
  • Dual Display Capable: Yes
  • # of Processing Die Transistors: 382 million
  • Graphics and IMC Lithography: 45nm
  • Socket Supported: LGA1156
  • Intel Hyper-Threading Technology: Yes
  • Intel Virtualization Technology: Yes
  • Intel Trusted Execution Technology: No
  • AES New Instructions: Yes
  • Idle States: Yes
  • Enhanced Intel Speedstep Technology: Yes

While those were the main specifications of the Intel Core i5 655K CPU, please have a look at the next tab to analyze the main differences between the 655K and its brothers.

Brand Name & Processor Number

Base Clock Speed (GHz)

Turbo Frequency (GHz)
Cores/Threads Cache Memory Support TDP
Pricing (1Ku)
Intel Core i7 980X 3.33 Core, DDR3, Power
Up to 3.6 6/12 12MB 3 channels DDR3-1333 130W $999
Intel Core i7 875K
2.93 Core, DDR3, Power
Up to 3.6
4/8 8MB 2 channels DDR3-1333
95W $342
Intel Core i7 860 2.8 DDR3 Only
Up to 3.46
4/8 8MB 2 channels DDR3-1333
95W $284
Intel Core i5 760
2.8 DDR3 Only
Up to 3.33 4/4 8MB 2 channels DDR3-1333
95W $205
Intel Core i5 655K
3.2 Core, DDR3, Power
Up to 3.46 2/4 4MB 2 channels DDR3-1333
73W $216
Intel Core i5 650
3.2 DDR3 Only
Up to 3.46
2/4 4MB 2 channels DDR3-1333
73W $176
Intel Core i3 540 3.06 DDR3 Only
N/A 2/4 4MB 2 channels DDR3-1333 73W $117



# RE: Intel Core i5-655K Processor BX80616I5655KDavid Ramsey 2010-08-01 08:04
Finally got around to catching up on my review reading. Nice job with the acetone/dry ice cooling!
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# RE: RE: Intel Core i5-655K Processor BX80616I5655KServando Silva 2010-08-01 16:54
Thanks David, so bad I couldn't get any "interesting" results benching with Dry Ice...
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# RE: Intel Core i5-655K Processor BX80616I5655KJonathan B 2010-08-01 11:06
I think these Intel K-Series processors are mostly a marketing target. How ever, they are the perfect proof that the 32nm process is a nice achievement for what can we expect with Sandy Bridge: Low consumption and a great performance.

This review was perfectly clear. Thank you, man
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