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Intel
IntelBX80684I99900KS
▲ 53347 ▼
  

2 Cores, 4 Threads @2.6 GHz, Skylake.
Release date ≈ Q4 2015.

VS
▲ 573,638 ▼
  

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

Effective Speed 
+122%
Real World Speed
Performance profile from 44,822 user samples
Benchmark your CPU here
31,982 User Benchmarks
Best Bench: 58% Base clock 2.8 GHz, turbo 3.1 GHz (avg)
Worst Bench: 18% Base clock 2.8 GHz, turbo 0.4 GHz (avg)
Poor: 18% Great: 58%
SPEED RANK: 967th / 1468
Gaming
Gaming 45%
Speed boat
Desktop
Desktop 51%
Yacht
Workstation
Workstation 32%
Sail boat
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: 99th / 1468
Gaming
Gaming 99%
Nuclear submarine
Desktop
Desktop 100%
Nuclear submarine
Workstation
Workstation 99%
Nuclear submarine
Effective Speed
Effective CPU Speed 		44.5 % 98.8 % Hugely faster effective speed.
+122%
Average Score 
+202%
Memory
Avg. Memory Latency 		59.6 Pts 92.8 Pts Much lower memory latency.
+56%
1-Core
Avg. Single Core Speed 		67.5 Pts 147 Pts Hugely faster single-core speed.
+118%
2-Core
Avg. Dual Core Speed 		121 Pts 289 Pts Hugely faster dual-core speed.
+139%
4-Core
Avg. Quad Core Speed 		170 Pts 563 Pts Hugely faster quad-core speed.
+231%
8-Core
Avg. Octa Core Speed 		179 Pts 1,016 Pts Hugely faster octa-core speed.
+468%
Overclocked Score 
+151%
Memory
OC Memory Latency 		80 Pts 97.7 Pts Lower OC memory latency.
+22%
1-Core
OC Single Core Speed 		89.5 Pts 155 Pts Much faster OC single-core speed.
+73%
2-Core
OC Dual Core Speed 		158 Pts 308 Pts Hugely faster OC dual-core speed.
+95%
4-Core
OC Quad Core Speed 		228 Pts 614 Pts Hugely faster OC quad-core speed.
+169%
8-Core
OC Octa Core Speed 		231 Pts 1,148 Pts Hugely faster OC octa-core speed.
+397%
Value & Sentiment 
+26%
Market Share
Based on 69,028,344 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.08 % Much higher market share.
+60% 		0.05 %
User Rating
UBM User Rating 		53 % 57 % Slightly more popular.
+8%
Nice To Haves 
+476%
Age
Newest 		109+ Months 61+ Months Much more recent.
+44%
64-Core
OC Multi Core Speed 		231 Pts 1,664 Pts Hugely faster OC 64-core speed.
+620%
64-Core
Avg. Multi Core Speed 		177 Pts 1,531 Pts Hugely faster 64-core speed.
+765%
Specifications 
Launch Date
Launch Date 		Q3'15 Q4'19
Cache
Cache 		4 MB SmartCache 16 MB Intel® Smart Cache
Instruction Set Extensions
Instruction Set Extensions 		SSE4.1/4.2, AVX 2.0 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Embedded Options Available
Embedded Options Available 		Yes No
Max Turbo Frequency
Max Turbo Frequency 		3.4 GHz 5.00 GHz
Max Memory Size
Max Memory Size (dependent on memory type) 		32 GB 128 GB
Memory Types
Memory Types 		DDR4-2133, LPDDR3-1866, DDR3L-1600 DDR4-2666
Memory Bandwidth
Max Memory Bandwidth 		34.1 GB/s 41.6 GB/s
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics 520 Intel® UHD Graphics 630
Graphics Base Frequency
Graphics Base Frequency 		300 MHz 350 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.05 GHz 1.20 GHz
Graphics Video Max Memory
Graphics Video Max Memory 		32 GB 64 GB
Package Size
Package Size 		42mm X 24mm 37.5mm x 37.5mm
Turbo Boost Tech
Intel® Turbo Boost Technology ‡ 		2.0 2
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP) 		Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		Yes No
PCI Express Revision
PCI Express Revision 		3.0 3
PCI Express Configurations
PCI Express Configurations ‡ 		1x4, 2x2, 1x2+2x1 and 4x1 Up to 1x16, 2x8, 1x8+2x4
Max # of PCI Express Lanes
Max # of PCI Express Lanes 		12 16

More specs » More specs »
Conclusion 
Average Bench 44.5%
Average Bench 98.8%

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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