Product Comparison: Intel Core i9-7900X vs Intel Core i9-9900K

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Intel Core i9-7900X CPU Processor

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Intel Core i9-9900K Desktop Processor

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General Specifications

Brand

Intel

Model

Core i9-7900X

Core i9-9900K

Origin

China

About the Product

This processor has 10 cores that run at a nominal clock speed of 3.3 GHz, and 4.3 GHz in Turbo Boost mode. Of the features, it is worth highlighting a 4-channel DDR4 memory controller and an unlocked multiplier.

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 i9-7900X

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 i9-7900X CPU Processor

It was my first processor installation and I had no issues.
Install was a snap, watch a video if you're worried about it. Great socket.
Installation was normal. Amazing socket type.
The processor itself is great. Installation was easy.
Easy to install and a very fast gaming CPU for the money.

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

4.3 GHz

5 GHz

Max TDP

140 W

95 W

Max Temperature

95 °C

100 °C

Data Width

64 bits

Virtualization Technology

Yes

CPU Cores

Intel Core i9-7900X

Intel Core i9-9900K

Intel Core i9-7900X

Intel Core i9-9900K

Intel Core i9-7900X

Intel Core i9-9900K

Intel Core i9-7900X

Intel Core i9-9900K

What customers say about "Technical Specifications"

Intel Core i9-7900X CPU Processor

Video editing is very fast with this CPU, render times are very impressive.
Super fast and running cool. Great processor.
It's fast, reliable and cooler than the previous i7, also very easily overclockable.
Super fast CPU, in water cooling it and it stays really cool with everything I throw at it.
Blazing fast speeds. Easily overclockable with the right setup.

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

320 kB

256 kB

L2 Cache Size

10000 kB

2048 kB

L3 Cache Size

13750 kB

16000 kB

Max Memory Size

128 GB

Memory Types

DDR4

Max Memory Channels

Max Memory Bandwidth

85 GB/s

41.6 GB/s

Max Memory Channels
L1 Cache Size

Intel Core i9-7900X

Intel Core i9-9900K

Intel Core i9-7900X

Intel Core i9-9900K

What customers say about "Cache And Memory Specifications"

Intel Core i9-7900X CPU Processor

Paired with 2666mhz DDR4 memory.
Excellent amounts of cache for a comfortable game.
Excellent amount of cache. Handles everything I throw at it perfectly.
Superior processor capabilities. Works great with DDR4 memory.

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