Intel Core i7 2600K 

Released January, 2011
  • 3.4 GHz
  • Quad core
  • Unlocked
7.4 Out of 10

The new chip is as much as 30 to 40 per cent quicker.
by Tech Radar (Jan, 2011)
We're talking 25 to 30 per cent more performance absolutely, positively everywhere.
by Tech Radar (Jan, 2011)

CPUBoss Review Our evaluation of the Intel Core i7 2600K among desktop CPUs (over 75W)


Benchmark performance using all cores

Core i7 2600K
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core i7 2600K
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core i7 2600K
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core i7 2600K
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core i7 2600K
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


Are you paying a premium for performance?

Core i7 2600K
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


CPUBoss Score

Combination of all six facets

Core i7 2600K

Benchmarks Real world tests of the Intel Core i7 2600K

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 2600K
77.01 fps
Core i7 3770K
182.74 fps
Core i5 3570K
174.42 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 2600K
Core i7 3770K
Core i5 3570K

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 2600K

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 2600K
2,500,000 MB/s
Core i5 3570K
2,650,000 MB/s
Core i7 3770K
2,620,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 2600K
Core i5 3570K
Core i7 3770K

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 2600K
Core i5 3570K
Core i7 3770K

PassMark Data courtesy Passmark

Core i7 2600K

PassMark (Single Core)

Core i7 2600K

Reviews Word on the street for the Intel Core i7 2600K

In Futuremark's 3DMark Vantage, its score of 11,583 is okay and its 2,173 rating is solidly unexceptional—at the Entry (1,024-by-768) and Performance (1,280-by-1,024) presets respectively.

Intel's Sandy Bridge brings much higher clocks, but it's also interesting to note how performance compares on a clock-for-clock basis.

It delivers incredible performance for its price, and in scenarios where all 8 threads can be fully utilized it will definitely prove its worth.


9.1 Out of 10

What People Are Saying Give it to me straight

Socket Type

As fine as the Core i7-2600K was at photo and video processing, it had more trouble getting over the hump in terms of 3D gaming.
by PCMag (Jan, 2011)
I was initially content with a 4.5ghz OC using a vcore of 1.296v, but curiosity got the best of me and I later found that I needed 1.356v for 4.6 stable and 1.376v for 4.7 stable.
by Velathawen (Nov, 2011)
With a good motherboard, its incredibly easy to overclock, and the voltage needed to hit 5ghz is fairly low (im at 4.96ghz @ 1.395v).
by doomlord52 (Nov, 2011)


The Core i7-2600K also smoked all comers in our Photoshop CS5 test, blasting through all 12 filters in 2 minutes 57 seconds.
by PCMag (Jan, 2011)
The average frame rates we saw in our 1,280-by-720 tests weren't much better with the Heaven Benchmark (13 frames per second), Lost Planet 2 (22.3 fps), or S.T.A.L.K.E.R.: Call of Pripyat (22.2 fps).
by PCMag (Jan, 2011)
The same was true of our 1GB TrueCrypt 7.0 encryption test, with the Core i7-2600K taking the prize with a best-in-class speed of 195 MBps.
by PCMag (Jan, 2011)


Even six-core Gulftown Core i7s look marginal.
by Tech Radar (Jan, 2011)
For launch, Intel has cooked up dual- and quad-core derivatives.
by Tech Radar (Jan, 2011)
It's yours for approximately £160 unboxed and effectively replaces both the old dual-core Core i5-655K and quad-core Core i5-760.
by Tech Radar (Jan, 2011)


Intel takes a giant step forward with the Core i7-2600K, one of its inaugural Sandy Bridge CPUs, in terms of both value and media processing.
by PCMag (Jan, 2011)
It's not legendary in the 3D department, but its media processing is superb, and in many ways it surpasses similarly priced predecessors from both Intel and AMD.
by PCMag (Jan, 2011)
What Intel had told us about the Sandy Bridge chips' prowess plowing through media-centric chores was even more fully proven.
by PCMag (Jan, 2011)


This is not to say that game lovers will want to chuck their discrete cards, especially if they're of the high-end persuasion.
by PCMag (Jan, 2011)
The performance is amazing as well.
by doomlord52 (Nov, 2011)
Intel says it delivers at least twice the performance compared with previous architectures encoding video in software, but a little Intel birdie tells us you can often expect much more than that.
by Tech Radar (Jan, 2011)

Specifications Full list of technical specs


Clock speed 3.4 GHz
Turbo clock speed 3.8 GHz
Cores Quad core
Socket type LGA 1155
Is unlocked Yes


Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE4.2
  3. Supplemental SSE3
  4. SSE4.1
  5. AVX
  6. SSE
  7. SSE4
  8. AES
  9. SSE3
  10. SSE2
Supports dynamic frequency scaling Yes

integrated graphics

Label Intel® HD Graphics 3000
Latest DirectX 10.x
Number of displays supported 2
GPU clock speed 850 MHz
Turbo clock speed 1,350 MHz
3DMark06 5,275

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 32,768 MB


Architecture x86-64
Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 8 MB
L3 cache per core 2 MB/core
Manufacture process 32 nm
Transistor count 995,000,000
Max CPUs 1
Clock multiplier 34
Voltage range 0.85 - 1.45V
Operating temperature Unknown - 72.6°C


Overclock popularity 2,016
Overclock review score 5
Overclocked clock speed 5.05 GHz
Overclocked clock speed (Water) 4.76 GHz
PassMark (Overclocked) 5,835.1
Overclocked clock speed (Air) 5.05 GHz

power consumption

Annual home energy cost 41.8 $/year
Annual commercial energy cost 111.78 $/year
Performance per watt 7.53 pt/W
Idle power consumption 74W
Peak power consumption 127.6W
Typical power consumption 114.2W


Architecture DMI
Transfer rate 5,000 MT/s
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Look my channel if u want see running this beast of CPU!
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