Intel Core i7-2600K

The Intel Core i7-2600K is a high-end quad-core desktop processor of the Sandy Bridge generation. It was announced at the beginning of 2011 and was the fastest CPU of this series at that time. However it does not offer all Sandy Bridge features, as vPro, VT-d and Trusted-Execution features are deactivated.
The four processor cores are able to handle 8 threads in parallel (due to Hyperthreading) and offer a base clock rate of 3.4 GHz. Under load, the cores can be overclocked automatically to up to 3.8 GHz with sufficient cooling:
- 3.8 GHz - 1 core load
- 3.7 GHz - 2 cores load
- 3.6 GHz - 3 cores load
- 3.5 GHz - 4 cores load
As a member of the "K-familiy" the i7-2600K is easily overclockable due to the open multiplicator.
The Die also includes an graphics card called Intel HD Graphics 3000 that clocks with 850 to 1350 MHz (also due to Turbo Boost). Furthermore, an integrated dual channel memory controller is able to handle up to 32 GB of DDR3-1333.
| Series | Intel Core i7 (Desktop) |
| Codename | Sandy Bridge |
| Clock Rate | 3400 - 3800 MHz |
| Level 2 Cache | 1024 KB |
| Level 3 Cache | 8192 KB |
| Number of Cores / Threads | 4 / 8 |
| Max. Power Consumption (TDP = Thermal Design Power) | 95 Watt |
| Transistor Count | 995 Million |
| Manufacturing Technology | 32 nm |
| Die Size | 216 mm2 |
| Max. Temperature | 72.6 °C |
| Socket | LGA1155 |
| Features | SSE4.1, SSE4.2, AVX, Turbo Boost (3.80GHz), Hyper-Threading, VT-x, AES-NI, Intel 64, Idle States, EIST, Thermal Monitoring Technologies, Intel Fast Memory Access, Intel Flex Memory Access, XD bit, open Multiplicator |
| 64 Bit | 64 Bit support |
| Hardware Virtualization | VT-x, VT-d |
| Starting Price | $317 U.S. |
| Announcement Date | 01/03/2011 |
| Product Link (external) | Intel Core i7 (Desktop) 2600K |
CPU Benchmarks
3DMark 06 - CPU:
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 6358 |
| Desktop GTX 680 | 8192 MB | GeForce GTX 680 | 1059 / 1502MHz | 2048MB GDDR5 304.48 | 6505 |
| 4096 MB | Radeon HD 4350 | 500 / 400MHz | 512MB DDR2; MSI R4350 11.3 | 6550 |
| 4096 MB | Radeon HD 5670 | 775 / 1000MHz | 1024MB GDDR5, Asus EA5670 10.3 | 6614 |
| 4096 MB | Radeon HD 5570 | 650 / 667MHz | 1024MB DDR3, PowerColor Radeon HD 5570 10.3 | 6642 |
| 4096 MB | Radeon HD 6450 GDDR5 | 750 / 900MHz | 512MB GDDR5 11.4 | 6655 |
| 4096 MB | GeForce GTS 450 | 783 / 1800MHz | GDDR5 260.99 | 6665 |
| 4096 MB | Radeon HD 5770 | 850 / 1200MHz | 1024MB GDDR5, PowerColor Radeon HD 5770 10.3 | 6669 |
| 4096 MB | Radeon HD 4850 | | 11.3 | 6671 |
| 4096 MB | Radeon HD 6790 | 840 / 1050MHz | 1024MB GDDR5, Club 3D Radeon HD 6790 Cool Stream Edition 8.840.0.0 | 6672 |
| Desktop 2600K GTX 580 | 8192 MB | GeForce GTX 590 | 607 / 1707MHz | 1536MB GDDR5 285.38 | 6713 |
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.5 | 6730 |
| Desktop 2600K GTX 580 | 8192 MB | GeForce GTX 580 | 783 / 2010MHz | 1536MB GDDR5 285.38 | 6754 |
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.3 | 6791 |
C7-M C7-M-1200 1x 1.2GHz -97%
...
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 5%
Core i7 (Desktop) 980X EE 6x 3.3 - 3.6GHz 7%
...
Super Pi mod 1.5 XS 1M:
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 10.2 |
...
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz 6%
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 8%
...
C3-M C3-M-1200 1x 1.2GHz 4439%
Super Pi mod 1.5 XS 2M:
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 22.4 |
...
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 7%
...
Super Pi Mod 1.5 XS 32M:
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 559.6 |
...
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz 6%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 9%
...
C3-M C3-M-1200 1x 1.2GHz 3923%
SiSoft Sandra Dhrystone (MIPS):
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 118000 |
Geode LX 800 1x 0.5GHz -99%
...
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz -22%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 10%
...
SiSoft Sandra Whetstone (MFLOPS):
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 82400 |
Geode LX 800 1x 0.5GHz -100%
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 11%
Core i7 (Desktop) 980X EE 6x 3.3 - 3.6GHz 27%
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 32%
...
PCMark Vantage: Result 1024x768
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 8840 |
| Toshiba MK6461GSYN 640GB HDD Desktop | 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 10563 |
| Samsung SSD 840 250 GB Desktop | 8192 MB | GeForce GTX 470 | | | 17648 |
| Samsung SSD 470 Desktop | 4096 MB | GeForce GTX 470 | | | 17963 |
| OCZ Vertex 4 256 GB Desktop | 8192 MB | GeForce GTX 470 | | | 18602 |
| Samsung SSD 840 Pro 256 GB Desktop | 8192 MB | GeForce GTX 470 | | | 19147 |
| Intel SSD 510 250GB Desktop | 4096 MB | GeForce GTX 470 | | | 19206 |
| Intel SSD 510 250GB Desktop | 4096 MB | GeForce GTX 470 | | | 19206 |
| OCZ Vector 256 GB Desktop | 8192 MB | GeForce GTX 470 | | | 19638 |
| Samsung SSD 830 256 GB Desktop | 8192 MB | GeForce GTX 470 | | | 19999 |
| Intel SSD 520 Series 240GB Desktop | 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 285.62 | 20391 |
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 9%
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz 10%
Core i7 (Desktop) 980X EE 6x 3.3 - 3.6GHz 12%
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 12%
...
Cinebench R10: Rendering Single 32Bit
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 4809 |
Geode LX 800 1x 0.5GHz -97%
...
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz -8%
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz -1%
...
Cinebench R10: Rendering Multiple CPUs 32Bit
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 18608 |
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 7%
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 20%
...
Cinebench R10: Rendering Multiple CPUs 64Bit
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 22897 |
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 4%
...
Cinebench R10: Rendering Single CPUs 64Bit
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 6001 |
...
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz -1%
...
3DMark Vantage: P CPU no PhysX 1280x1024
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 22530 |
| Desktop GTX 680 | 8192 MB | GeForce GTX 680 | 1059 / 1502MHz | 2048MB GDDR5 304.48 | 22816 |
| 4096 MB | GeForce GTS 450 | 783 / 1800MHz | GDDR5 260.99 | 23490 |
| 4096 MB | Radeon HD 4850 | | 11.3 | 23576 |
| Desktop 6870 at 6990M clocks | 4096 MB | Radeon HD 6990M | 715 / 900MHz | | 23592 |
| Desktop 2600K GTX 580 | 8192 MB | GeForce GTX 590 | 607 / 1707MHz | 1536MB GDDR5 285.38 | 23621 |
| 4096 MB | Radeon HD 6790 | 840 / 1050MHz | 1024MB GDDR5, Club 3D Radeon HD 6790 Cool Stream Edition 8.840.0.0 | 23707 |
| 4096 MB | Radeon HD 6450 GDDR5 | 750 / 900MHz | 512MB GDDR5 11.4 | 23731 |
| 4096 MB | Radeon HD 5670 | 775 / 1000MHz | 1024MB GDDR5, Asus EA5670 10.3 | 23735 |
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.5 | 23750 |
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.3 | 23809 |
| 4096 MB | Radeon HD 5570 | 650 / 667MHz | 1024MB DDR3, PowerColor Radeon HD 5570 10.3 | 23826 |
| 4096 MB | Radeon HD 5770 | 850 / 1200MHz | 1024MB GDDR5, PowerColor Radeon HD 5770 10.3 | 24002 |
| Desktop 2600K GTX 580 | 8192 MB | GeForce GTX 580 | 783 / 2010MHz | 1536MB GDDR5 285.38 | 24019 |
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 17%
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 36%
...
wPrime 2.0x: 32m
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 10.5 |
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -54%
...
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz 11%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 11%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz 15%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 16%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 28%
...
C3-M C3-M-1200 1x 1.2GHz 2471%
wPrime 2.0x: 1024m
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 328 |
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -60%
...
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz 7%
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz 14%
Core i5 (Desktop) 750 4x 2.7 - 3.2GHz 14%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz 21%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz 24%
...
C3-M C3-M-1200 1x 1.2GHz 2479%
Windows 7 Experience Index: Processor
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 7.6 |
...
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz -1%
Core i5 (Desktop) 2500K 4x 3.3 - 3.7GHz -1%
Core i7 (Desktop) 960 4x 3.2 - 3.5GHz -1%
Core i7 (Desktop) 940 4x 2.9 - 3.2GHz -1%
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 1%
...
Core i7 (Desktop) 990X EE 6x 3.5 - 3.7GHz 3%
Cinebench R11.5: CPU Multi 64Bit
| 4096 MB | HD Graphics 3000 | 850-1350 / MHz | | 6.76 |
...
Xeon (Desktop) X5670 6x 2.9 - 3.3GHz 12%
...
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz 77%
Cinebench R11.5: CPU Single 64Bit
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 1.51 |
wPrime 1.55: 32m
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.3 | 7.144 |
wPrime 1.55: 1024m
| 4096 MB | Radeon HD 6870 | 900 / 1050MHz | 1024MB GDDR5; downclocked Powercolor 11.3 | 233.988 |
...
Celeron M 430 1x 1.7GHz 1162%
Celeron M 420 1x 1.6GHz 1415%
Celeron M 520 1x 1.6GHz 1455%
Celeron M 410 1x 1.5GHz 1571%
Core Solo U1300 1x 1.1GHz 2216%
...
WinRAR: Result
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 290.53 | 3486 |
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -100%
...
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz -8%
...
X264 HD Benchmark 4.0: Pass 1
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 145 |
...
Core i5 (Desktop) 2400 4x 3.1 - 3.4GHz -6%
...
X264 HD Benchmark 4.0: Pass 2
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 36.5 |
TrueCrypt: AES Mean 100MB
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 290.53 | 3.3 |
TrueCrypt: Twofish Mean 100MB
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 290.53 | 0.561 |
...
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz -4%
...
TrueCrypt: Serpent Mean 100MB
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 290.53 | 0.315 |
...
...
Xeon (Desktop) E5-2680 8x 2.7 - 3.5GHz 440%
Geekbench 2 - 32 Bit: Total Score
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 7754 |
...
Phenom II X4 (Desktop) 905e 4x 2.5GHz -33%
...
Geekbench 2 - 32 Bit: Integer
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 9443 |
...
Phenom II X4 (Desktop) 905e 4x 2.5GHz -42%
...
Geekbench 2 - 32 Bit: Floating Point
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 9088 |
...
Phenom II X4 (Desktop) 905e 4x 2.5GHz -24%
...
Geekbench 2 - 32 Bit: Memory
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 5074 |
Geekbench 2 - 32 Bit: Stream
| 8192 MB | GeForce GTX 470 | 607 / 1674MHz | 1280MB 296.10 | 2537 |
...
Phenom II X4 (Desktop) 905e 4x 2.5GHz -6%
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- Range of benchmarks for this CPU

- Average benchmark score