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Intel Core i7-8700K vs Core i7-7820X – Which One Is Better?

We here compare Core i7-8700K 3.7 GHz that has 6-Cores with Core i7-7820X 3.6 GHz that has 8-Cores. here you’ll find out and will know better about their performance, gaming usage, and will give all the information for choosing the winner CPUs.

Intel Core i3-8100 vs i7-3630QM
Intel Core i3-8100 vs i7-3630QM
Info Intel Core i7 7820XIntel Core i7 8700K
Price $468.00
Info AMD Ryzen 5 1600X AMD Ryzen 5 1600
Price $406.28


Comparison i7-8700K i7-7820X
Released OnOctober 5, 2017May 30, 2017
Launch price359 USD599 USD
Type, work onDesktopDesktop
instruction setx86-64x86-64
Processor FamilyCoffee LakeSkylake
Model i7-8700Ki7-7820X
Socket TypeLGA-1151LGA-2066
Integrated GPUUHD Graphics 630No
Intel Core i7-8700K vs Core i7-7820X


Base Frequency3.7 GHz3.6 GHz
Turbo Boost Frequency4.7 GHz4.3 GHz
Bus frequency100 MHz100 MHz
Bus Bandwidth8 GT/s8 GT/s
L1 Cache64K (per core)64K (per core)
L2 Cache256K (per core)1MB (per core)
L3 Cache12MB (shared)11MB (shared)
Unlocked MultiplierYesYes
Intel Core i7-8700K vs Core i7-7820X

iGPU Performance

Integrated GraphicsIntel UHD Graphics 630
GPU Base Clock350 MHz
GPU Boost Clock1000 MHz
Shading Units192
Execution Units24
Max. Resolution4096×2304 – 60 Hz

Basic Comparison

Intel Core i7-8700K and Core i7-7820X both are desktop-based CPUs, Intel Core i7-8700K is an 8th generation CPU while Intel Core i7-7820X is a 7th generation CPU. Intel Core i7-8700K is based on Coffee Lake while Intel Core i7-7820X is based on Skylake architecture. Core i7-8700K is 3.7 GHz while Core i7-7820X is a 3.6 GHz CPU. Core i7-8700K was released on October 5, 2017, while Core i7-7820X was released on May 30, 2017. Here in this comparison Core i7-8700K is better than Core i7-7820X.

Performance And FrequencyComparison

Intel Core i7-8700K has 6 cores and 12 Threads, while Core i7-7820X has 8 cores and 16 threads. The best frequency of core Core i7-8700K is 3.7 GHz while the base frequency of Core i7-7820X is 3.6 GHz. The turbo boost frequency of Core i7-8700K is 4.7 GHz while Core i7-7820X had 4.3 GHz. both have the same bus frequency and are 100 MHz. The bus bandwidth of both CPUs is 8 GT/s.

the chipset of both CPUs is 14 nm and supports an unlocked multiplier. Intel Core i7-8700K is 95 Watt while intel core Core i7-7820X is 140-watt CPU. the maximum temperature of Intel Core i7-8700K is 100° while Intel Core i7-7820X is 99°. Here in this comparison Core i7-8700K is far better than Core i7-7820X.

Cache comparison

Intel Core i7-8700K 8th gen Intel Core i7-7820X both his same amount of Level 1 Cache and is 64k (per core). Level 2 cache is different in both CPUs. Core i7-8700K has 256K (per core) of Level 2 Cache, while Core i7-7820X has 1 MB of Level 2 Cache. Core i7-8700K of Level 3 cache while Core i7-7820X has 11 MB of Level 3 Cache. Here in this comparison Core i7-8700K is better than Core i7-7820X.

Intel Core i7-8700K


As we know the Intel Core i7-8700K is an Intel’s coffee lake family processor, the Coffee Lake family is the best processor family of Intel till now with extra power full performance and an extra number of cores.

The Gaming Beast Processor:

Intel Core i7-8700K is called the gaming beast processor because of its extended number of cores in it, Intel Core i7-8700K gives a super powerful performance and highest results on different applications, we have tested it on Adobe Premiere Pro 2020 which matched the performance and results of AMD Ryzen 5 3600 Processor. On Adobe After Effects 2020, it gave slightly higher results than Intel Core i7-7700K which is also an overclocked processor.

Benefits of Intel Core i7 8700K

Intel Core i7-7700K consumes up to 32% less power than Core i7 7820X, the result 95 vs 140 Watt

Core i7-7700K is 5 months newer than Core i7 7820X

One of the Plus points is that Core i7-7700K has an integrated GPU Intel UHD Graphics 630

Intel Core i7-7700K also has the benefit of 9% higher Turbo Boost frequency the result is 4.7 GHz vs 4.3 GHz

It also has a 1 MB larger Level 3 Cache than Core i7 7820X

Intel Core i7-7700K is 13% faster in the single-core Geekbench v5 test the result was 1269 vs 1121 points

Benefits of Intel Core i7 7820X

Intel Core i7-7820X support up to 4 memory channel

Around 37.87 GB/s (91%) higher theoretical memory bandwidth

Intel Core i7-7820X also has 2 more physical cores as compared to intel core i7-7800K

For More click here

CPUs Comparison

Intel Core i5-8600K Vs Core i7-8700k

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Intel Core i5-8400 vs AMD Ryzen 5-1600

Intel Core i7 8550U vs i7 7700UQ

Intel Core i7 – 8700K Vs AMD Ryzen 7-1800X 

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