Intel Core i7-8700K vs Core i7-7700K – which one is better?

We here compare Core i7-8700K 3.7 GHz that has 6-Cores with Core i7-7700K 4.20 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 i7-8550U 1.8 GHz vs Intel i7-7500U
Intel Core i7-8700K vs Core i7-7700K
Info Intel Core i7 7700KIntel Core i7 8700K
Price $440.00


Release DateOctober 5, 2017January 3, 2017
Launch price359 USD350 USD
instruction setx86-64x86-64
FamilyCoffee LakeKaby Lake
Model numberi7-8700Ki7-7700K
Integrated GPUUHD Graphics 630HD Graphics 630

Performance Comparison

Base Frequency3.7 GHz4.2 GHz
Turbo Boost Frequency4.7 GHz4.5 GHz
Bus frequency100 MHz42 MHz
Bus Bandwidth8 GT/s8 GT/s
L1 Cache64K (per core)64K (per core)
L2 Cache256K (per core)256K (per core)
L3 Cache12MB (shared)8MB (shared)
Unlocked MultiplierYesYes

iGPU Comparison

Integrated GraphicsIntel UHD Graphics 630Intel HD Graphics 630
GPU Base Clock350 MHz350 MHz
GPU Boost Clock1000 MHz1150 MHz
Shading Units192192
Execution Units2424
TGP15 W15 W
Max. Resolution4096×2304 – 60 Hz4096×2304 – 60 H

Intel Core i7-8700K vs Core i7-7700K
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Intel Core i7-8700K Buy Now

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Intel Core i7-7700K Buy Now

Basic Comparison

Intel Core i7-8700K is in 8th generation CPU while Intel Core i7-7700K is a 7th generation CPU. Intel Core i7-8700K is based on Coffee lake while Intel Core i7-7700K is based on Kaby Lake architecture. Core i7-8700Kis 3.7 GHz, while Core i7-7700K is a 4.2 GHz CPU. Core i7-8700K was released on October 5 2017 while Core i7-7700K was released on January 3, 2017. Here in this comparison Core i7-8700K is better than Core i7-7700K because it’s an 8th generation CPU and is advanced than Core i7-7700K.

Performance And FrequencyComparison

Intel Core i7-8700K has 6 cores and 12 Threads, while Core i7-7700K has 4 cores and 8 threads. The base frequency of Core i7-8700K is 3.7 GHz while the base frequency of Core i7-7700K is 4.2 GHz. The turbo boost frequency of Core i7-8700K is 4.7 GHz while Core i7-7700K has 4.5 GHz. The Bus frequency Core i7-8700K is 100 MHz, while Core i7-7700K has 42 MHz. The bus bandwidth of both CPUs is 8 GT/s. Here in this comparison Core i7-8700K is better than Core i7-7700K because it has more cores, more threads, Higher Turbo frequency higher bus frequency.

Power Efficiency Comparison

the chipset of both CPUz is 14 nm and supports an unlocked multiplier. Intel Core i7-8700K is 95 Watt while Intel Core i7-7700K is 91-watt CPU. the maximum temperature of both CPUs is 100°. Here in this comparison, Core i7-7700K is better than Core i7-8700K, because it’s more power-efficient.

Cache comparison

Intel Core i7-8700K Intel Core i7-7700K both have the same amount of Level 1 Cache and are 64k (per core). Level 2 cache is also the same in both CPUs and is 256K (per core). Level 3 Cache is different, Core i7-8700K has 12 MB of Level 3 cache while Core i7-7700K has 8 MB of Level 3 Cache. Here in this comparison Core i7-8700K is better than Core i7-7700K Because it has more level 3 cache size.

Benefits of Intel Core i7 8700K

Intel Core i7 8700K supports up to 128 GB of DDR4 RAM.
Core i7 8700K has 2 more cores
Core i7 8700K has a 4 MB larger L3 cache size than Core i7 7700K, the result was…
Core i7 8700K is also a newer CPU than Core i7 7700K released after 10 months.
Around 5.84 GB/s (16%) higher theoretical memory bandwidth
Core i7 8700K also has a 4% higher Turbo Boost frequency the result was 4.7 GHz vs 4.5 GHz

Benefits of Intel Core i7 7700K

Intel Core i7 7700K has more powerful Intel HD Graphics 630 integrated graphics
Core i7 7700K is more power-efficient
consumes up to 4% less energy than the Core i7 8700K, the result is – 91 vs 95 Watt

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.

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