Intel Core i7 6700K specifications and performance

Intel Core i7 6700K is a 4 cores and 8 threads CPU processor produced by Intel. Intel Core i7 6700K was released on 2015-08-05, the fabrication process is 14nm (nanometer), the CPU codename is Skylake, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is HD Graphics 530.

Basic Information

Vendor / Supplier Intel
Short name i7 6700k
Release date 2015-08-05
CPU code name Skylake
Fabrication process 14nm (nanometer)
Instruction set architecture x86-64
Market Desktop
Integrated Graphics (iGPU) HD Graphics 530

CPU core specifications

Total number of cores 4 cores
Total number of threads 8 threads
Number of performance cores 4 cores
Number of performance core threads 8 threads
Performance core base frequency / main frequency 4.0GHz
Performance core maximum turbo frequency 4.2GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 256 KB
L3 Cache 8 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 64GB
Memory frequency support
  • - DDR4-2133MHz
  • - DDR3L-1600MHz
Maximum number of memory channels 2
Maximum memory bandwidth 34.1GB/s
ECC support No

Package specifications

CPU Socket LGA-1151
Default thermal design power / TDP PL1 91W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature
PCIe interface PCIe 3.0
PCIe lane count 16

Integrated Graphics specifications

Integrated Graphics (iGPU) Intel HD Graphics 530
Base frequency
Maximum acceleration frequency 1150MHz
Number of execution units
Stream Processors / Shading Units
Texture Units / TMUs
Raster Operations Units / ROPs
Total Graphics Power / TGP
FP32 computing performance

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math 28 GOps/sec
Floating point math 17 GOps/sec
Find prime numbers 30 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 15.9 Million Strings/sec (Millions random string sorting per second)
Data encryption 3.1 GBytes/sec (Gigabits per second)
Data compression 125.7 MBytes/sec (megabits per second)
Physics simulation 640 Frames/sec (FPS)
Extended instruction test 8.2 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression 428.4 MB/sec (megabits per second)
clang compilation 35.7 Klines/sec (thousands lines per second)
HTML5 browsing 116.8 pages/sec (pages per second)
PDF rendering 168.3 Mpixels/sec (megapixels per second)
Text processing 152.1 pages/sec (pages per second)
Background blur 28 images/sec (images per second)
Photo processing 50.9 images/sec (images per second)
Ray tracing 6.53 Mpixels/sec (megapixels per second)