IntelBX80623I72600K
$319
IntelBX80662I56600
 $319 

4 Cores, 8 Threads @3.4GHz, Sandy Bridge.
Release date: Q1 2011.

4 Cores, 4 Threads @3.3GHz, Skylake.
Release date: Q3 2015.

Real World Speed
Performance profile from 228,221 user samples
147,533 User Benchmarks
Best Bench: 83% Base clock 3.4 GHz, turbo 4.7 GHz (avg)
Worst Bench: 56% Base clock 3.4 GHz, turbo 27,195,430 GHz (avg)
Poor: 56% Great: 83%
SPEED RANK: 390th / 1441
Gaming
Gaming 71%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 55%
Gunboat
80,688 User Benchmarks
Best Bench: 77% Base clock 3.3 GHz, turbo 3.65 GHz (avg)
Worst Bench: 47% Base clock 3.3 GHz, turbo 3.6 GHz (avg)
Poor: 47% Great: 77%
SPEED RANK: 452nd / 1441
Gaming
Gaming 68%
Battle cruiser
Desktop
Desktop 74%
Battleship
Workstation
Workstation 51%
Yacht
Effective Speed
Effective CPU Speed
70.6 % +4% 67.6 %
Memory
Avg. Memory Latency
87 Pts Lower memory latency.
+11%
78.7 Pts
1-Core
Avg. Single Core Speed
91.8 Pts 100 Pts Slightly faster single-core speed.
+9%
2-Core
Avg. Dual Core Speed
173 Pts 201 Pts Faster dual-core speed.
+16%
4-Core
Avg. Quad Core Speed
295 Pts 324 Pts Slightly faster quad-core speed.
+10%
8-Core
Avg. Octa Core Speed
424 Pts Faster octa-core speed.
+23%
345 Pts
Memory
OC Memory Latency
96 Pts Slightly lower OC memory latency.
+6%
90.9 Pts
1-Core
OC Single Core Speed
116 Pts +4% 112 Pts
2-Core
OC Dual Core Speed
226 Pts +2% 222 Pts
4-Core
OC Quad Core Speed
384 Pts 399 Pts +4%
8-Core
OC Octa Core Speed
549 Pts Much faster OC octa-core speed.
+33%
412 Pts
Market Share
Based on 67,709,309 CPUs tested
Market Share
Market Share (trailing 30 days)
0.17 % 0.17 %
Value
Value For Money
67.9 % 82.9 % Better value.
+22%
User Rating
UBM User Rating
76 % More popular.
+21%
63 %
Price
Price (score)
$319 $132 Much cheaper.
+59%
Age
Newest
159 Months 103 Months Much more recent.
+35%
TDP
Thermal Design Power (TDP)
95 Watts 65 Watts Much more energy efficient.
+32%
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads Hugely higher thread count.
+100%
4 threads
Lithography
Manufacturing process
32 nm 14 nm Much newer manufacturing.
+56%
Base Clock
Base Clock Speed
3.4 GHz +3% 3.3 GHz
Turbo Clock
Turbo Clock Speed
3.8 GHz 3.9 GHz +3%
64-Core
OC Multi Core Speed
558 Pts Much faster OC 64-core speed.
+35%
414 Pts
64-Core
Avg. Multi Core Speed
437 Pts Faster 64-core speed.
+25%
350 Pts
Series
CPU Architecture
Sandy Bridge Skylake
Socket
Motherboard Socket
LGA1155 FCLGA1151
Graphics
Integrated Graphics
HD 3000 HD 530
Launch Date
Launch Date
Q1'11 Q3'15
Cache
Cache
8 MB SmartCache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX SSE4.1/4.2, AVX 2.0
Lithography
Lithography
32 nm 14 nm
Recommended Price
Recommended Customer Price
N/A $213.00 - $224.00
Max Turbo Frequency
Max Turbo Frequency
3.8 GHz 3.9 GHz
Bus Speed
Bus Speed
5 GT/s DMI 8 GT/s DMI3
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3 1066/1333 DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Memory Bandwidth
Max Memory Bandwidth
21 GB/s 34.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 3000 Intel® HD Graphics 530
Graphics Base Frequency
Graphics Base Frequency
850 MHz 350 MHz
Wireless Display
Intel® Wireless Display
No Yes
# of Displays Supported
# of Displays Supported ‡
2 3
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.35 GHz 1.15 GHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
2.0 3.0

More specs » More specs »
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The i7-2600K Sandy Bridge processor is two generations old and nearly three years out of date. The numerous owners of this superb processor should feel in no hurry to upgrade as it's still one of the fastest consumer processors, even by today's standards. The benchmark figures indicate that in terms of real-world performance this processor is only 5% slower than the third generation Ivy Bridge i7-3770K, not bad considering its age. That said new buyers will find both better energy efficiency and marginal performance improvements elsewhere[Feb '12 CPUPro]

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Processor Rankings (Price vs Performance) April 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

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  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
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 Frequently Asked Questions

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