Today's hottest deals
Intel
IntelBX80684I59600K
  

4 Cores, 4 Threads @2.4 GHz, Lynnfield.
Release date ≤ Q1 2014.

6 Cores, 6 Threads @3.7GHz, Coffee Lake.
Release date: Q4 2018.

Real World Speed
Performance profile from 325,290 user samples
4,096 User Benchmarks
Best Bench: 68% Base clock 3.7 GHz, turbo 3.7 GHz (avg)
Worst Bench: 49% Base clock 2.4 GHz, turbo 2.5 GHz (avg)
Poor: 49% Great: 68%
SPEED RANK: 584th / 1468
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 64%
Destroyer
Workstation
Workstation 44%
Speed boat
321,194 User Benchmarks
Best Bench: 103% Base clock 3.7 GHz, turbo 5.15 GHz (avg)
Worst Bench: 82% Base clock 3.7 GHz, turbo 4.3 GHz (avg)
Poor: 82% Great: 103%
SPEED RANK: 138th / 1468
Gaming
Gaming 93%
Nuclear submarine
Desktop
Desktop 95%
Nuclear submarine
Workstation
Workstation 77%
Battleship
Effective Speed
Effective CPU Speed
61.3 % 93.2 % Much faster effective speed.
+52%
Memory
Avg. Memory Latency
84.3 Pts 91 Pts Slightly lower memory latency.
+8%
1-Core
Avg. Single Core Speed
60.6 Pts 135 Pts Hugely faster single-core speed.
+123%
2-Core
Avg. Dual Core Speed
119 Pts 268 Pts Hugely faster dual-core speed.
+125%
4-Core
Avg. Quad Core Speed
224 Pts 525 Pts Hugely faster quad-core speed.
+134%
8-Core
Avg. Octa Core Speed
228 Pts 688 Pts Hugely faster octa-core speed.
+202%
Memory
OC Memory Latency
92.9 Pts 96.5 Pts +4%
1-Core
OC Single Core Speed
69.7 Pts 153 Pts Hugely faster OC single-core speed.
+120%
2-Core
OC Dual Core Speed
132 Pts 306 Pts Hugely faster OC dual-core speed.
+132%
4-Core
OC Quad Core Speed
256 Pts 604 Pts Hugely faster OC quad-core speed.
+136%
8-Core
OC Octa Core Speed
256 Pts 822 Pts Hugely faster OC octa-core speed.
+221%
Market Share
Based on 69,026,218 CPUs tested
Market Share
Market Share (trailing 30 days)
0.01 % 1.2 % Insanely higher market share.
+11,900%
User Rating
UBM User Rating
52 % 91 % Much more popular.
+75%
Age
Newest
128+ Months 72 Months Much more recent.
+44%
64-Core
OC Multi Core Speed
256 Pts 848 Pts Hugely faster OC 64-core speed.
+231%
64-Core
Avg. Multi Core Speed
229 Pts 717 Pts Hugely faster 64-core speed.
+213%
Launch Date
Launch Date
Q3'09 Q4'18
Cache
Cache
8 MB SmartCache 9 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Embedded Options Available
Embedded Options Available
Yes No
Lithography
Lithography
45 nm 14 nm
Recommended Price
Recommended Customer Price
$203.00 - $224.00 $262.00 - $263.00
Max Turbo Frequency
Max Turbo Frequency
2.8 GHz 4.60 GHz
Bus Speed
Bus Speed
2.5 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 800/1066/1333 DDR4-2666
Memory Bandwidth
Max Memory Bandwidth
21 GB/s 41.6 GB/s
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Thermal Monitoring Technologies
Thermal Monitoring Technologies
No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
1.0 2.0
AES New Instructions
Intel® AES New Instructions
No Yes
PCI Express Revision
PCI Express Revision
2.0 3.0
PCI Express Configurations
PCI Express Configurations ‡
1x16, 2x8, 4x4 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »

The hex-core i5-9600K is third in Intel’s line-up of 9th generation Coffee Lake CPUs. It has a TDP of 95W and requires an aftermarket cooler (such as the $20 GAMMAXX 400). The 9600K was designed to be overclocked. Once this is enabled in the BIOS (requires a Z-series motherboard), the 9600K runs 10% faster. In terms of performance, the i5-9600K is almost unbeatable for desktop users and it has sufficient multi-core performance to handle all but the most demanding workstation tasks. For CPU encoding (Cinebench, Blender, Handbrake etc.) the Ryzen 3000 series offers great 64-core performance. For example the overclocked Ryzen 3600 is approximately 13% worse for gaming, desktop and normal consumer workloads but it is 27% faster for 64-core processing. CPU encoding is akin to using hair clippers on a lawn, encoding tasks are far better performed by dedicated hardware such an NVENC or QuickSync. At stock clocks the i5-9600K is around 8% slower than Intel’s flagship i9-9900K but when both are overclocked, the 9600K closes the gaming gap to within two or three percent. Considering that the 9900K is the fastest gaming processor available, and almost twice the price of the 9600K, this is no small feat. The i5-9600K is aimed squarely at gamers who are not willing to compromise on performance but don't want to pay more than they need to. [Oct '18 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) November 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]

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 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.

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
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - 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

 Frequently Asked Questions

 Best User Rated

Why does UserBenchmark have a bad reputation on reddit?
Marketers operate thousands of reddit accounts. Our benchmarks expose their spiel so they attack our reputation.
Why don’t PC brands endorse UserBenchmark?
Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
Why don’t youtubers promote UserBenchmark?
We don't pay youtubers, so they don't praise us. Moreover, our data obstructs youtubers who promote overpriced or inferior products.
Why does UserBenchmark have negative trustpilot reviews?
The 200+ trustpilot reviews are mostly written by virgin marketing accounts. Real users don't give a monkey's about big brands.
Why is UserBenchmark the gold standard for users?
Instead of pursuing brands for sponsorship, we've spent 13 years publishing real-world data for users.
The Best
CPUGPUSSD
Intel Core i5-12600K $167Nvidia RTX 4060 $275WD Black SN850X M.2 2TB $129
Intel Core i5-13600K $210Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12400F $111Nvidia RTX 4070 $500Crucial T700 M.2 4TB $406
Today's hottest deals
If you buy something via a price link, UserBenchmark may earn a commission
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback