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IntelBX80684I99900KS
▲ 500 ▼
  

Release date ≤ Q1 2014.

VS
▲ 561,719 ▼
  

8 Cores, 16 Threads @4.00 GHz, 127 W.
Release date ≈ Q4 2019.

Effective Speed 
+49%
Real World Speed
Performance profile from 15,183 user samples
Benchmark your CPU here
2,343 User Benchmarks
Best Bench: 74% Base clock 2.8 GHz, turbo 3.05 GHz (avg)
Worst Bench: 53% Base clock 2.8 GHz
Poor: 53% Great: 74%
SPEED RANK: 476th / 1442
Gaming
Gaming 66%
Battle cruiser
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 64%
Destroyer
12,840 User Benchmarks
Best Bench: 105% Base clock 4 GHz, turbo 5.1 GHz (avg)
Worst Bench: 89% Base clock 4 GHz, turbo 5 GHz (avg)
Poor: 89% Great: 105%
SPEED RANK: 82nd / 1442
Gaming
Gaming 99%
Nuclear submarine
Desktop
Desktop 100%
Nuclear submarine
Workstation
Workstation 99%
Nuclear submarine
Effective Speed
Effective CPU Speed 		66.2 % 98.8 % Much faster effective speed.
+49%
Average Score 
+84%
Memory
Avg. Memory Latency 		79.4 Pts 92.8 Pts Lower memory latency.
+17%
1-Core
Avg. Single Core Speed 		70.2 Pts 147 Pts Hugely faster single-core speed.
+109%
2-Core
Avg. Dual Core Speed 		143 Pts 289 Pts Hugely faster dual-core speed.
+102%
4-Core
Avg. Quad Core Speed 		286 Pts 563 Pts Hugely faster quad-core speed.
+97%
8-Core
Avg. Octa Core Speed 		516 Pts 1016 Pts Hugely faster octa-core speed.
+97%
Overclocked Score 
+75%
Memory
OC Memory Latency 		92.7 Pts 97.7 Pts Slightly lower OC memory latency.
+5%
1-Core
OC Single Core Speed 		80.5 Pts 155 Pts Hugely faster OC single-core speed.
+93%
2-Core
OC Dual Core Speed 		160 Pts 308 Pts Hugely faster OC dual-core speed.
+92%
4-Core
OC Quad Core Speed 		311 Pts 614 Pts Hugely faster OC quad-core speed.
+97%
8-Core
OC Octa Core Speed 		617 Pts 1148 Pts Hugely faster OC octa-core speed.
+86%
Value & Sentiment 
+∞%
Market Share
Based on 67,695,779 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.03 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		50 % 56 % More popular.
+12%
Nice To Haves 
+52%
Age
Newest 		120+ Months 54+ Months Much more recent.
+55%
64-Core
OC Multi Core Speed 		1132 Pts 1664 Pts Much faster OC 64-core speed.
+47%
64-Core
Avg. Multi Core Speed 		989 Pts 1531 Pts Much faster 64-core speed.
+55%
Conclusion 
Average Bench 66.2%
Average Bench 98.8%
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The Intel's specially binned i9-9900K, featuring 5GHz all core boost and base clock of 4GHz. This CPU is one of the most powerful Intel CPU in term of day-to-day and gaming performance but with TDP of 127W, bulky air cooler or 240mm AIO is recommended to make sure the CPU doesn't overheat, and open loop liquid cooling if you want to OC. [Jun '20 ColdSpy]

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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.
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.

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Gaming Desktop ProGaming

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

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $132Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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