Intel Core i7 6700K vs Intel Core i7 7820X

This article compares the Intel Core i7 6700K vs Intel Core i7 7820X processors based on their various features and performance metrics. The purpose of this article is to assist you in selecting the best processor. Which processor is faster: Intel Core i7 6700K vs Intel Core i7 7820X? In this analysis, we examine the variations and determine which of these two CPUs is superior.

You may learn more about which CPU performs better in games, benchmarks, and other relevant information on this page. In this page, I will compare Intel Core i7 6700K vs Intel Core i7 7820X and give the final decision that you should buy this gaming laptop in the budget of your decision. You must go through the specifications of the Number of Cores, No.of Threads, TDP, L3 Cache and Generation etc. If you wish to compare any two processors directly, just go through the compare page or mark for the compare option under the product details.

Intel Core i7 6700K vs Intel Core i7 7820X Compare Details

  Intel Core i7 6700K Intel Core i7 7820X
Our Rating 8.0 8.0
Brand Intel Intel
Category Processor Processor


Release Date Aug 2015 May 2017
Market Desktop Desktop
Manufacturer Intel Intel
Generation 6th Generation 7th Gen
Code Name Skylake Skylake
Integrated Graphics HD Graphics 530 None


Fabrication Process 14 nm 14 nm
Socket LGA-1151 LGA-2066
Power Consumption 91 W 140 W
Peak temperature - 99 °C
Die Size - -

CPU Performance

Performance Cores 4 8
Performance Core Threads 8 16
Base Frequency (P) 4.0 GHz 3.6 GHz
Turbo Boost Frequency (P) 4.2 GHz 4.3 GHz
Efficiency Cores - -
Efficiency Core Threads - -
Efficiency Core Base Frequency - -
Efficiency Core Turbo Frequency - -
Total Cores 4 8
Total Threads 8 16
Bus Frequency 100MHz 100MHz
Multiplier 40x 36x
L1 Cache 64K per core 64K per core
L2 Cache 256K per core 1MB per core
L3 Cache 8MB shared 11MB shared
Unlocked Multiplier Yes Yes

Graphic Card

Integrated Graphics HD Graphics 530 N/A
GPU Base Frequency - -
GPU Max Dynamic Frequency 1150 MHz -
Shading Units - -
Texture Units - -
Raster Operation Units - -
Execution Units - -
Power Consumption - -

Memory Support

Memory Type DDR4-2133 DDR4-2666
Max Memory Size 64GB 128GB
Max. Memory Channels 2 4
Max. Memory Bandwidth 34.1 GB/s 79.47 GB/s
ECC Support No No

Advanced Features


PCIe Version 3.0 3.0
PCIe Lanes 16 28
Official Website


Cinebench R23 Single-Core 1124 1238
Cinebench R23 (Multi-Core) 5602 13341
Geekbench 6 Single Core 1544 1236
Geekbench 6 Multi Core 5265 7482
Geekbench 5 Single Core 1087 17205
Geekbench 5 Multi Core 4271 8548
Passmark CPU (Single-Core) 2510 2576
Passmark CPU (Multi-Core) 8940 17209
  Intel Core i7 6700K Intel Core i7 7820X

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