Product Comparison: Intel Core i9-9820X vs Intel Core i9-9900K

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Intel Core i9-9820X CPU Processor

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Intel Core i9-9900K Desktop Processor

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General Specifications

Brand

Intel

Model

Core i9-9820X

Core i9-9900K

Origin

China

About the Product

The Core i9-9820X X-Series 3.3 GHz Ten-Core LGA 2066 Processor from Intel has a base clock speed of 3.3 GHz and comes with features such as Intel Optane Memory support and Intel VT-d and VT-x virtualization technologies.

New 9th Gen Intel Core i9-9900K processor, codenamed Coffee Lake microarchitecture. Designed for Intel LGA 1151 desktop platform. Belongs to the family of high-performance Core i9 processors.

Package Size

Height

4.33 in.

4.61 in.

Weight

1.3 lbs.

1.1 lbs.

Width

4.41 in.

Depth

2.91 in.

Height

Intel Core i9-9820X

Intel Core i9-9900K

Details

Socket

FCLGA2066

FCLGA1151

Lithography

14 nm

Type of Processors

Desktop

Code Name

Skylake

Coffee Lake

What customers say about "Details"

Intel Core i9-9820X CPU Processor

Love Intel's reliability and performance! Easy to install.
I combined this CPU with an EVGA x299 Dark motherboard. Works well.
Fantastic processor if you can stand the price. Installation was easy.
Excellent processor with easy installation. I like it.
Best CPU for me. Fits my motherboard easily.

Intel Core i9-9900K Desktop Processor

It is easy to install and overclock.
Install and overclocking on this chip went extremely well.
This chip is a beast. Very easy to install.
Installed easily and not issues building on Asus Maximus mobo.
7 days after install it died. Horrible job intel.

Technical Specifications

CPU Threads

Clock Speed

3.3 GHz

3.6 GHz

Turbo Clock Speed

4.1 GHz

5 GHz

Max TDP

165 W

95 W

Max Temperature

92 °C

100 °C

Data Width

64 bits

Virtualization Technology

Yes

CPU Cores

Intel Core i9-9820X

Intel Core i9-9900K

Intel Core i9-9820X

Intel Core i9-9900K

Intel Core i9-9820X

Intel Core i9-9900K

Intel Core i9-9820X

Intel Core i9-9900K

What customers say about "Technical Specifications"

Intel Core i9-9820X CPU Processor

Super fast for audio/video rendering.
Great workstation CPU with best speeds.
This CPU is so fast for all my tasks.
This is a fast processor! Good performance.
This CPU is fast, and overclocks very nicely.

Intel Core i9-9900K Desktop Processor

Super fast gaming processor. High performance.
The computer runs perfectly, very smoothly, without any cartons.
This CPU is a beast! I installed this with a liquid cooler and even in the top end games out now it does not struggle to keep this thing cool.
I had no issues installing the chip and it runs great.
Easy to install, easy to boost, handles everything I throw at it.

Cache And Memory Specifications

L1 Cache Size

640 kB

256 kB

L2 Cache Size

10000 kB

2048 kB

L3 Cache Size

16500 kB

16000 kB

Max Memory Size

128 GB

Memory Types

DDR4

Max Memory Channels

Max Memory Bandwidth

85 GB/s

41.6 GB/s

L1 Cache Size
Max Memory Channels

Intel Core i9-9820X

Intel Core i9-9900K

Intel Core i9-9820X

Intel Core i9-9900K

What customers say about "Cache And Memory Specifications"

Intel Core i9-9820X CPU Processor

Has quad-channel memory support, it's great for me.
Perfect with my 64 GB DDR4 memory type.
With 10 cores (20 threads) works fast. Good memory support on this.
I like this CPU. Has good memory support, works fine with my 128 GB GSkill 3866 DDR4.
Sort of a disappointing chip really. Does not supported DDR4-2666 memory. Not working on full speeds.

Intel Core i9-9900K Desktop Processor

Super easy to install and is super fast.
This CPU is easy to install, fast, and so far glitch-free.
Very nice packaging and easy installation. Supports excellent memory type.
8 cores in a ring bus with low inter-core and memory latency allows this CPU to excel at any task.

Supported Technologies

Execute Disable Bit / Virus Protection

Yes

Turbo Boost / Turbo Core

Yes

Enhanced SpeedStep / PowerNow!

Yes

Hyper-Threading / HyperTransport

Yes