IntelBX80684I99900K
IntelBX80619I73960X

8 Cores, 16 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2018.

6 Cores, 12 Threads @3.3GHz, Sandy Bridge-E.
Release date: Q3 2011.

Real World Speed
Performance profile from 356,388 user samples
354,223 User Benchmarks
Best Bench: 104% Base clock 3.6 GHz, turbo 5.2 GHz (avg)
Worst Bench: 89% Base clock 3.6 GHz, turbo 1.3 GHz (avg)
Poor: 89% Great: 104%
SPEED RANK: 90th / 1442
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 97%
Nuclear submarine
2,165 User Benchmarks
Best Bench: 89% Base clock 3.3 GHz
Worst Bench: 66% Base clock 3.3 GHz, turbo 0.85 GHz (avg)
Poor: 66% Great: 89%
SPEED RANK: 270th / 1442
Gaming
Gaming 78%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 67%
Battle cruiser
Effective Speed
Effective CPU Speed
97.9 % Faster effective speed.
+26%
77.7 %
Memory
Avg. Memory Latency
93.1 Pts Slightly lower memory latency.
+7%
87.1 Pts
1-Core
Avg. Single Core Speed
142 Pts Much faster single-core speed.
+47%
96.7 Pts
2-Core
Avg. Dual Core Speed
281 Pts Much faster dual-core speed.
+46%
192 Pts
4-Core
Avg. Quad Core Speed
551 Pts Much faster quad-core speed.
+49%
369 Pts
8-Core
Avg. Octa Core Speed
981 Pts Much faster octa-core speed.
+68%
585 Pts
Memory
OC Memory Latency
97.2 Pts +2% 95.3 Pts
1-Core
OC Single Core Speed
153 Pts Faster OC single-core speed.
+30%
118 Pts
2-Core
OC Dual Core Speed
305 Pts Much faster OC dual-core speed.
+31%
233 Pts
4-Core
OC Quad Core Speed
604 Pts Much faster OC quad-core speed.
+32%
457 Pts
8-Core
OC Octa Core Speed
1116 Pts Much faster OC octa-core speed.
+56%
715 Pts
Market Share
Based on 67,741,606 CPUs tested
Market Share
Market Share (trailing 30 days)
1.26 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
88 % Better value.
+12%
78.7 %
User Rating
UBM User Rating
87 % Much more popular.
+64%
53 %
Price
Price (score)
$410 $265 Much cheaper.
+35%
Age
Newest
66 Months Much more recent.
+56%
151 Months
TDP
Thermal Design Power (TDP)
95 Watts More energy efficient.
+27%
130 Watts
Cores
CPU Processing Cores
8 cores Much higher core count.
+33%
6 cores
Threads
CPU Processing Threads
16 threads Much higher thread count.
+33%
12 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+56%
32 nm
Base Clock
Base Clock Speed
3.6 GHz Slightly faster base frequency.
+9%
3.3 GHz
Turbo Clock
Turbo Clock Speed
5 GHz Faster turbo frequency.
+28%
3.9 GHz
64-Core
OC Multi Core Speed
1590 Pts Much faster OC 64-core speed.
+79%
888 Pts
64-Core
Avg. Multi Core Speed
1451 Pts Hugely faster 64-core speed.
+99%
728 Pts
Series
CPU Architecture
Coffee Lake Sandy Bridge-E
Socket
Motherboard Socket
FCLGA1151 FCLGA2011
Graphics
Integrated Graphics
UHD 630 None
Launch Date
Launch Date
Q4'18 Q4'11
Cache
Cache
16 MB SmartCache 15 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 SSE4.2, AVX, AES
Lithography
Lithography
14 nm 32 nm
Recommended Price
Recommended Customer Price
$488.00 - $499.00 N/A
Max Turbo Frequency
Max Turbo Frequency
5.00 GHz 3.9 GHz
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI2
Memory Types
Memory Types
DDR4-2666 DDR3 1066/1333/1600
Memory Channels
Max # of Memory Channels
2 4
Memory Bandwidth
Max Memory Bandwidth
41.6 GB/s 51.2 GB/s
Package Size
Package Size
37.5mm x 37.5mm 52.5mm x 45.0mm
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
16 40

More specs » More specs »
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The Intel i9-9900K is an 8 core, 16 thread, unlocked 9th generation Coffee Lake processor. It has a base / boost clocks of 3.6 / 4.7 GHz and a single-core boost of 5.0 GHz (the highest frequency achieved yet from this class of Intel CPU). It features 16 MB of cache, a 95W TDP and Intel UHD 630 graphics. The 9900K is compatible with the new Z390 chipset, and subject to a BIOS update, is also compatible with the older Z370 chipset. Aimed at users who do not wish to compromise, the i9-9900K offers the best gaming and desktop experience available at any price. Heavy workstation users should consider the Ryzen 9 3900X which is similarly priced. Comparing the overclocked 3900X shows that it is just 10% worse for gaming and desktop (sub octa-core) but around 40% better for 64-core computations. Gamers should consider the 9700K which offers identical overclocked gaming performance at a $100 USD discount. [Oct '18 CPUPro]

MORE DETAILS

The fact that the near three year old Intel i7-3960X still tops the speed charts reflects just how little competition there is in the CPU market. Intel have dominated for so long that there is simply no economic incentive to push the speed boundaries at anywhere nearly the pace of improvement we saw in previous years. The i7-3960X has 6 cores and 12 threads which is two cores more than the vast majority of Intel's other top end processors. The extra two cores explain why the 3960X still performs so well compared to the majority of the 3960X's newer siblings. This processor will offer little more than a far cheaper i3 to regular desktop users but for server orientated workloads it is still one of the best processors available. [Mar '14 CPUPro]

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.
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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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

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HDDRAMUSB
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