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Intel Core i7 6700K
Intel Desktop CPU

Intel Core i7 6700K

31D
Cores4
Threads8
Boost Clock4.2 GHz
TDP91 W
SocketLGA-1151
Process14 nm
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Benchmarks

Cinebench 2024 Single-Core54
Cinebench 2024 Multi-Core279
TDP91 W
Cache L38MB
Cinebench 2024 (Single)54
Cinebench 2024 (Multi)279
Geekbench 6 (Single-Core)1512
Geekbench 6 (Multi-Core)5072
Passmark CPU (Single-Core)2497
Passmark CPU (Multi-Core)8939
Blender CPU81.55

Full specifications

GeekBench v6

File compression
428.4 MB/sec
Clang compilation
35.7 Klines/sec
HTML 5 Browser
116.8 pages/sec
PDF Renderer
168.3 Mpixels/sec
Text processing
152.1 pages/sec
Background blur
28 images/sec
Photo processing
50.9 images/sec
Ray tracing
6.53 Mpixels/sec

PassMark

Integer math
28.2 GOps/sec
Floating point math
17.4 GOps/sec
Find prime numbers
30M Primes/sec
Random string sorting
15.8M Strings/sec
Data encryption
3.1 GBytes/sec
Data compression
125.7 MBytes/sec
Physics
636 Frames/sec
Extended instructions
8.3B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
3.1 PPW
Geekbench 6 Multi / Watt
55.7 PPW
Passmark CPU Mark / Watt
98.2 PPW
Blender / Watt
0.9 PPW

General

Vendor
Intel
Released
August 5, 2015
Type
Desktop
Instruction Set
x86-64
Codename
Skylake
Model number
i7-6700K
Integrated GPU
HD Graphics 530
Successor
- Intel Core Ultra 7 270K Plus

CPU

P-Cores
4
P-Threads
8
Base Frequency (P)
4.0 GHz
Turbo Boost Frequency (P)
4.2 GHz
Total Cores
4
Total Threads
8
Bus Frequency
100 MHz
Multiplier
40x
Bus Bandwidth
8 GT/s
L1 Cache
64K (per core)
L2 Cache
256K (per core)
L3 Cache
8MB (shared)
Unlocked Multiplier
Yes

Package

Transistors
1.75 billions
Fabrication Process
14 nm
TDP (PL1)
91 W
Socket
LGA-1151

iGPU

Integrated Graphics
Intel HD Graphics 530
GPU Boost Clock
1150 MHz

Memory Support

Memory Types
- DDR4-2133 / - DDR3L-1600
Max. Memory Size
64 GB
Memory Channels
2
Max. Memory Bandwidth
34.1 GB/s
ECC Support
No

Misc

Official Site
Intel Core i7 6700K official page
PCI Express Version
3.0
PCI Express Lanes
16
Technologies
- Compute: ABM, BMI1, BMI2, CLMUL, F16C - Performance: EIST, HTT, TBT 2.0, TSX - Virtualization: EPT, VT-d, VT-x - Security: MPX, SGX, SMEP, TXT, XD bit

Specifications compiled from NanoReview. Last updated 2026-09-29.

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