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Intel Core i5 6600K
Intel Desktop CPU

Intel Core i5 6600K

30D
Cores4
Threads4
Boost Clock3.9 GHz
TDP91 W
SocketLGA-1151
Process14 nm
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Benchmarks

Cinebench 2024 Single-Core61
Cinebench 2024 Multi-Core212
TDP91 W
Cache L36MB
Cinebench 2024 (Single)61
Cinebench 2024 (Multi)212
Geekbench 6 (Single-Core)1486
Geekbench 6 (Multi-Core)4409
Passmark CPU (Single-Core)2315
Passmark CPU (Multi-Core)6303
Blender CPU54.45

Full specifications

GeekBench v6

File compression
363.1 MB/sec
Clang compilation
29.9 Klines/sec
HTML 5 Browser
98.1 pages/sec
PDF Renderer
150.1 Mpixels/sec
Text processing
149.8 pages/sec
Background blur
28.1 images/sec
Photo processing
47.6 images/sec
Ray tracing
4.81 Mpixels/sec

PassMark

Integer math
16.3 GOps/sec
Floating point math
14 GOps/sec
Find prime numbers
31M Primes/sec
Random string sorting
10.5M Strings/sec
Data encryption
1.9 GBytes/sec
Data compression
86 MBytes/sec
Physics
507 Frames/sec
Extended instructions
7.5B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
2.3 PPW
Geekbench 6 Multi / Watt
48.5 PPW
Passmark CPU Mark / Watt
69.3 PPW
Blender / Watt
0.6 PPW

General

Vendor
Intel
Released
August 5, 2015
Type
Desktop
Instruction Set
x86-64
Codename
Skylake
Model number
i5-6600K
Integrated GPU
HD Graphics 530

CPU

P-Cores
4
P-Threads
4
Base Frequency (P)
3.5 GHz
Turbo Boost Frequency (P)
3.9 GHz
Total Cores
4
Total Threads
4
Bus Frequency
100 MHz
Multiplier
35x
Bus Bandwidth
8 GT/s
L1 Cache
64K (per core)
L2 Cache
256K (per core)
L3 Cache
6MB (shared)
Unlocked Multiplier
No

Package

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 i5 6600K 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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