Product Comparison: Intel Core i7-7700K vs Intel Core i7-8700K

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Intel Core i7-7700K Desktop Processor

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Intel Core i7-8700K Desktop Processor

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General Specifications

Brand

Intel

Model

Core i7-7700K

Core i7-8700K

Origin

China

About the Product

Intel Core i7-7700K is manufactured according to the 14 nm process technology, has 4 cores that operate in 8 threads with a nominal clock frequency of 4.2 GHz, 4.5 GHz in Turbo Boost mode. The L3 cache is 8 MB. Has a 2 channel DDR4 memory controller and an unlocked multiplier.

Unleash amazing experiences with an 8th Generation Intel Core i7-8700K processor inside your PC. This CPU is unlocked and ready to overclock—freeing you to turn up the speed for more frames per second when gaming, quicker video editing and a more seamless experience with whatever you do.

Package Size

Height

4.57 in.

4.65 in.

Width

3.98 in.

4.15 in.

Depth

2.76 in.

1.75 in.

Weight

1.12 lbs.

1.1 lbs.

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

Details

Socket

FCLGA1151

Lithography

14 nm

Type of Processors

Desktop

Code Name

Kaby Lake

Coffee Lake

What customers say about "Details"

Intel Core i7-7700K Desktop Processor

I like it very much. This is the fastest CPU that will fit in my Gigabyte Z170x Gaming 5.
The I7 7700k is a great CPU. Great socket. Easy to install.
Socketed in and started up, no issues whatsoever.
The 7th gen processors are so easy to set in place. I love the spring contacts on the sockets for them.
If you aren't planning using Windows 10 - Kaby Lake will not support previous versions of Windows natively.

Intel Core i7-8700K Desktop Processor

Gaming and desktop performance. Good socket of this one.
Put this in my desktop a while back as part of a major upgrade. Works great!
Intel Core i7-8700K is desktop processor for gamers!
Using for my gaming desktop.
Best desktop processor on the market.

Technical Specifications

CPU Cores

CPU Threads

Clock Speed

4.2 GHz

3.7 GHz

Turbo Clock Speed

4.5 GHz

4.7 GHz

Max TDP

91 W

95 W

Max Temperature

100 °C

72 °C

Data Width

64 bits

Virtualization Technology

Yes

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

What customers say about "Technical Specifications"

Intel Core i7-7700K Desktop Processor

Overclocks just fine from 4.2 GHz to 4.5.
The i7-7700K can be overclocked to a stable 5.1GHz with water cooling.
The i7-7700K first off very noticeably faster than my previous i5, I use this in my gaming build which I paired with an ASUS GTX 1080.
Performance on this CPU is great.
This is a great CPU for both gaming and productivity.

Intel Core i7-8700K Desktop Processor

This is lightning fast on multi-core intensive processes.
Coming out of the box already running at 4.7GHZ on all cores is super impressive.
This thing is great! Good price, 6 core, and fast!
Extremely nice 6 core. Clocked solid to 5 GHz.
Multitasking is great for 6 cores/12 threads.

Cache And Memory Specifications

L1 Cache Size

128 kB

64 kB

L2 Cache Size

1000 kB

256 kB

L3 Cache Size

8000 kB

12000 kB

Max Memory Size

64 GB

128 GB

Memory Types

DDR4

Max Memory Channels

Max Memory Bandwidth

38.4 GB/s

41.6 GB/s

Max Memory Channels
L1 Cache Size

Intel Core i7-7700K

Intel Core i7-8700K

Intel Core i7-7700K

Intel Core i7-8700K

What customers say about "Cache And Memory Specifications"

Intel Core i7-7700K Desktop Processor

Super fast and works perfectly with my Asus Maximus IX motherboard and G.Skill 3600 Memory.
Paired the 7700k with an Asus Apex using Trident Z memory. Great performance.
There are no problems with memory compatibility.
The memory runs great at full speed with this processor.
Unfortunately the maximum amount of memory is 64GB, which is not enough for my needs.

Intel Core i7-8700K Desktop Processor

The memory at 4000 MHz for stability. Fastest computer I have ever built.
Got this for a new gaming rig I was setting up. Good memory.
Windows 10 is quick, boot times are exceptional and video rendering is much quicker now. Massive cache. Great memory.
Best CPU with good memory I have owned.
When the temperature reaches 70-80 degree (C') CPU become a useless piece of silicone.

Graphics Specifications

DirectX* Support

Graphics Output

eDP/DP/HDMI

DP/eDP/HDMI/DVI

Graphics Video Max Memory

64 GB

Graphics Max Dynamic Frequency

1150 MHz

1200 MHz

Graphics Base Frequency

350 MHz