4 Cores, 8 Threads @3.3 GHz, Sandy Bridge EP.
Release date ≤ Q1 2014.


4 Cores, 4 Threads @3.3GHz, Sandy Bridge.
Release date: Q1 2011.

Real World Speed
Performance profile from 101,090 user samples
384 User Benchmarks
Best Bench: 62% Base clock 3.3 GHz, turbo 3.4 GHz (avg)
Worst Bench: 45% Base clock 3.3 GHz, turbo 1.85 GHz (avg)
Poor: 45% Great: 62%
SPEED RANK: 289th / 1197
Gaming 55%
Desktop 57%
Workstation 39%
Jet ski
100,706 User Benchmarks
Best Bench: 82% Base clock 3.3 GHz
Worst Bench: 46% Base clock 3.3 GHz, turbo 0.75 GHz (avg)
Poor: 46% Great: 82%
SPEED RANK: 175th / 1197
Gaming 65%
Desktop 67%
Battle cruiser
Workstation 36%
Jet ski
Effective Speed
Effective CPU Speed
55.2 % 64.6 % Faster effective speed.
Avg. Single Core Mixed Speed
84.8 Pts 97.9 Pts Faster single-core speed.
Avg. Dual Core Mixed Speed
169 Pts 193 Pts Slightly faster dual-core speed.
Avg. Quad Core Mixed Speed
298 Pts 361 Pts Faster quad-core speed.
Avg. Octa Core Mixed Speed
430 Pts Faster octa-core speed.
369 Pts
Avg. Multi Core Mixed Speed
440 Pts Faster 64-core speed.
372 Pts
OC Single Core Mixed Speed
92 Pts 121 Pts Much faster OC single-core speed.
OC Dual Core Mixed Speed
183 Pts 242 Pts Much faster OC dual-core speed.
OC Quad Core Mixed Speed
355 Pts 474 Pts Much faster OC quad-core speed.
OC Octa Core Mixed Speed
461 Pts 475 Pts +3%
OC Multi Core Mixed Speed
463 Pts 478 Pts +3%
Market Share
Based on 21,718,697 CPUs tested.
Market Share
Market Share (trailing 30 days)
0 % 0.56 % Insanely higher market share.
Value For Money
38.4 % 66.7 % Much better value.
User Rating
UBM User Rating
53 % 108 % Hugely more popular.
Price (score)
$1,040 $246 Much cheaper.
69+ Months Much more recent.
106 Months
Launch Date
Launch Date
Q1'12 Q1'11
10 MB SmartCache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
AVX SSE4.1/4.2, AVX
Recommended Price
Recommended Customer Price
$885.00 N/A
Bus Speed
Bus Speed
8 GT/s QPI 5 GT/s DMI
Expected Discontinuance
Expected Discontinuance
Q2'15 Q1'2013
Max Memory Size
Max Memory Size (dependent on memory type)
384 GB 32 GB
Memory Types
Memory Types
DDR3 800/1066/1333/1600 DDR3 1066/1333
Memory Channels
Max # of Memory Channels
4 2
Memory Bandwidth
Max Memory Bandwidth
51.2 GB/s 21 GB/s
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Package Size
Package Size
52.5mm x 45.0mm 37.5mm x 37.5mm
Max CPU Configuration
Max CPU Configuration
2 1
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) ‡
Yes No
vPro Tech
Intel® vPro™ Technology ‡
Yes No
Identity Protection Tech
Intel® Identity Protection Technology ‡
No Yes
Flex Memory Access
Intel® Flex Memory Access
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No
PCI Express Revision
PCI Express Revision
3.0 2.0
Max # of PCI Express Lanes
Max # of PCI Express Lanes
40 16

More specs » More specs »

The i5-2500K is a second generation Sandy Bridge processor which is currently two generations old and nearly three years out of date. The many users that had the good sense to purchase this processor should feel in no hurry to upgrade as it's still no slouch, even by today's standards. The benchmark figures indicate that, even at stock clock rates, in terms of real-world performance this processor is approximately 20% slower than the best currently available, not bad considering its age. Given that the 2500K has an unlocked multiplier upping its performance by 10% with stock cooling should not pose much of a problem for the majority of owners. Here is a detailed performance comparison of the 2500K vs 4670K.  [Jul '13 CPUPro]


Processor Rankings (Price vs Performance) November 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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]


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.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - 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.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

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Intel Core i5-9400F $140Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $45
Intel Core i5-9600K $209Nvidia GTX 1660 $210Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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