IntelBX80684I99900KS
Intel
  

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

  

4 Cores, 8 Threads @1.70 GHz, Kaby Lake R.
Release date ≈ Q4 2017.

Real World Speed
Performance profile from 32,648 user samples
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
19,808 User Benchmarks
Best Bench: 71% Base clock 1.9 GHz, turbo 3.55 GHz (avg)
Worst Bench: 24% Base clock 1.9 GHz, turbo 0.4 GHz (avg)
Poor: 24% Great: 71%
SPEED RANK: 745th / 1442
Gaming
Gaming 52%
Yacht
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 41%
Speed boat
Effective Speed
Effective CPU Speed
98.8 % Hugely faster effective speed.
+92%
51.6 %
Memory
Avg. Memory Latency
92.8 Pts Much lower memory latency.
+58%
58.9 Pts
1-Core
Avg. Single Core Speed
147 Pts Hugely faster single-core speed.
+83%
80.4 Pts
2-Core
Avg. Dual Core Speed
289 Pts Hugely faster dual-core speed.
+93%
150 Pts
4-Core
Avg. Quad Core Speed
563 Pts Hugely faster quad-core speed.
+131%
244 Pts
8-Core
Avg. Octa Core Speed
1016 Pts Hugely faster octa-core speed.
+203%
335 Pts
Memory
OC Memory Latency
97.7 Pts Lower OC memory latency.
+22%
79.8 Pts
1-Core
OC Single Core Speed
155 Pts Much faster OC single-core speed.
+45%
107 Pts
2-Core
OC Dual Core Speed
308 Pts Much faster OC dual-core speed.
+45%
212 Pts
4-Core
OC Quad Core Speed
614 Pts Much faster OC quad-core speed.
+70%
362 Pts
8-Core
OC Octa Core Speed
1148 Pts Hugely faster OC octa-core speed.
+133%
493 Pts
Market Share
Based on 67,696,231 CPUs tested
Market Share
Market Share (trailing 30 days)
0.03 % 0.15 % Hugely higher market share.
+400%
User Rating
UBM User Rating
56 % +4% 54 %
Age
Newest
54+ Months More recent.
+29%
76+ Months
64-Core
OC Multi Core Speed
1664 Pts Hugely faster OC 64-core speed.
+241%
488 Pts
64-Core
Avg. Multi Core Speed
1531 Pts Hugely faster 64-core speed.
+357%
335 Pts
Launch Date
Launch Date
Q4'19 Q3'17
Cache
Cache
16 MB Intel® Smart Cache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 SSE4.1/4.2, AVX2
Max Turbo Frequency
Max Turbo Frequency
5.00 GHz 3.60 GHz
Bus Speed
Bus Speed
8 GT/s 4 GT/s OPI
Max Memory Size
Max Memory Size (dependent on memory type)
128 GB 32 GB
Memory Types
Memory Types
DDR4-2666 DDR4-2400, LPDDR3-2133
Memory Bandwidth
Max Memory Bandwidth
41.6 GB/s 34.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® UHD Graphics 630 Intel® UHD Graphics 620
Graphics Base Frequency
Graphics Base Frequency
350 MHz 300 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.20 GHz 1.10 GHz
Graphics Video Max Memory
Graphics Video Max Memory
64 GB 32 GB
Package Size
Package Size
37.5mm x 37.5mm 42mm X 24mm
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
2 2.0
PCI Express Revision
PCI Express Revision
3 3.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 1x4, 2x2, 1x2+2x1 and 4x1
Max # of PCI Express Lanes
Max # of PCI Express Lanes
16 12

More specs » More specs »
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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]

MORE DETAILS

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

  • - 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

The Best.
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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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