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IntelBX80684I99900K
IntelBX80673I99940X
▲ 8615,018 ▼

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

VS
▲ 50119 ▼

14 Cores, 28 Threads @3.30 GHz, Skylake.
Release date ≈ Q4 2018.

Effective Speed 
+15%
Real World Speed
Performance profile from 356,069 user samples
Benchmark your CPU here
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: 105th / 1468
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 97%
Nuclear submarine
1,846 User Benchmarks
Best Bench: 95% Base clock 3.3 GHz, turbo 4.7 GHz (avg)
Worst Bench: 78% Base clock 3.3 GHz, turbo 1.2 GHz (avg)
Poor: 78% Great: 95%
SPEED RANK: 196th / 1468
Gaming
Gaming 85%
Aircraft carrier
Desktop
Desktop 85%
Aircraft carrier
Workstation
Workstation 104%
UFO
Effective Speed
Effective CPU Speed 		97.9 % Faster effective speed.
+15% 		85.4 %
Average Score 
+10%
Memory
Avg. Memory Latency 		93.1 Pts Lower memory latency.
+21% 		76.7 Pts
1-Core
Avg. Single Core Speed 		142 Pts Faster single-core speed.
+11% 		128 Pts
2-Core
Avg. Dual Core Speed 		281 Pts Slightly faster dual-core speed.
+10% 		256 Pts
4-Core
Avg. Quad Core Speed 		551 Pts Slightly faster quad-core speed.
+9% 		504 Pts
8-Core
Avg. Octa Core Speed 		981 Pts 1000 Pts +2%
Overclocked Score 
+5%
Memory
OC Memory Latency 		97.2 Pts Lower OC memory latency.
+11% 		87.9 Pts
1-Core
OC Single Core Speed 		153 Pts Slightly faster OC single-core speed.
+6% 		144 Pts
2-Core
OC Dual Core Speed 		305 Pts Slightly faster OC dual-core speed.
+7% 		286 Pts
4-Core
OC Quad Core Speed 		604 Pts Slightly faster OC quad-core speed.
+5% 		575 Pts
8-Core
OC Octa Core Speed 		1116 Pts 1134 Pts +2%
Value & Sentiment 
+3,291%
Market Share
Based on 68,931,285 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		1.31 % Insanely higher market share.
+13,000% 		0.01 %
Value
Value For Money 		89.5 % Much better value.
+40% 		64.1 %
User Rating
UBM User Rating 		86 % Much more popular.
+72% 		50 %
Price
Price (score) 		$385 Much cheaper.
+51% 		$790
Nice To Haves 
+43%
Age
Newest 		72 Months 71+ Months +1%
64-Core
OC Multi Core Speed 		1590 Pts 2664 Pts Much faster OC 64-core speed.
+68%
64-Core
Avg. Multi Core Speed 		1451 Pts 2326 Pts Much faster 64-core speed.
+60%
Specifications 
Cache
Cache 		16 MB SmartCache 19.25 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions 		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Recommended Price
Recommended Customer Price 		$488.00 - $499.00 N/A
Max Turbo Frequency
Max Turbo Frequency 		5.00 GHz 4.40 GHz
Thermal Solution Specification
Thermal Solution Specification 		PCG 2015D (130W) PCG 2017X
Max Memory Size
Max Memory Size (dependent on memory type) 		64 GB 128 GB
Memory Channels
Max # of Memory Channels 		2 4
Max # of PCI Express Lanes
Max # of PCI Express Lanes 		16 44

More specs » More specs »
Conclusion 
Average Bench 97.9%
Average Bench 85.4%

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

Superior workstation CPU with 14C 28T build. [Oct '21 Gamejang]

MORE DETAILS

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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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