Intel Core i5-6600 vs Intel Core i7-6700K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-6600 or Intel Core i5-6600 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-6600 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i5 series.
To use the Intel Core i5-6600, you'll need a motherboard with a LGA 1151 socket.
The Intel Core i7-6700K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i7 series.
To use the Intel Core i7-6700K, you'll need a motherboard with a LGA 1151 socket.
Desktop / Server Segment Desktop / Server
Intel Core i5-6600 Name Intel Core i7-6700K
Intel Core i5 Family Intel Core i7
6 Generation 6
Intel Core i 6000 Group Intel Core i 6000
 
 

CPU Cores and Base Frequency

The Intel Core i5-6600 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-6600 is 3.3 GHz
and turbo frequency for one core is 3.9 GHz.
The Intel Core i7-6700K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-6700K is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
3.9 GHz Turbo Frequency (1 core) 4.2 GHz
No Overclocking Yes
normal Core architecture normal
3.3 GHz Frequency 4.0 GHz
4 Threads 8
3.6 GHz Turbo Frequency (all cores) 4.0 GHz
No Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Core i5-6600 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-6600 uses the Intel HD Graphics 530, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-6700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-6700K uses the Intel HD Graphics 530, which has 192 texture shaders
0.35 GHz GPU frequency 0.35 GHz
Q3/2015 Release date Q3/2015
12 Direct X 12
Intel HD Graphics 530 GPU name Intel HD Graphics 530
14 nm Technology 14 nm
-- Max. displays --
192 Shaders 192
32.0 GB Max. GPU Memory 32.0 GB
24 Execution units 24
9 Generation 9
1.15 GHz GPU (Turbo) 1.15 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
Decode VP9 Decode
Decode h265 / HEVC (10 bit) Decode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG Decode / Encode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
64.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
34.1 GB/s Bandwidth 34.1 GB/s
DDR4-2133, DDR3-1600 Memory type DDR4-2133, DDR3-1866
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 91 W watts.
-- Tjunction max --
65 W TDP (PL1 / PBP) 91 W
 
 

Technical details

The Intel Core i5-6600 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-6700K is manufactured using a 14 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q3/2015 Release date Q3/2015
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Skylake S Architecture Skylake S
14 nm Technology 14 nm
LGA 1151 Socket LGA 1151
Windows 10, Linux Operating systems Windows 10, Linux
250 $ Release price 420 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
6.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
17028
17028
Intel Core i5-6600
4C 4T @ 3.3 GHz
12099
12099

Cinebench R23 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
5640
5640
Intel Core i5-6600
4C 4T @ 3.3 GHz
3741
3741

Geekbench 3, 64bit (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4757
4757
Intel Core i5-6600
4C 4T @ 3.3 GHz
4141
4141

Geekbench 6 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665
Intel Core i5-6600
4C 4T @ 3.3 GHz
3648
3648

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459
Intel Core i5-6600
4C 4T @ 3.3 GHz
3167
3167

V-Ray CPU-Render Benchmark

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4407
4407
Intel Core i5-6600
4C 4T @ 3.3 GHz
2614
2614

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2313
2313
Intel Core i5-6600
4C 4T @ 3.3 GHz
1586
1586

Cinebench R20 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2059
2059
Intel Core i5-6600
4C 4T @ 3.3 GHz
1411
1411

Geekbench 6 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347
Intel Core i5-6600
4C 4T @ 3.3 GHz
1278
1278

Cinebench R23 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1124
1124
Intel Core i5-6600
4C 4T @ 3.3 GHz
1041
1041

Cinebench R15 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
888
888
Intel Core i5-6600
4C 4T @ 3.3 GHz
597
597

Blender 2.81 (bmw27)

Intel Core i5-6600
4C 4T @ 3.3 GHz
559.4
559.4
Intel Core i7-6700K
4C 8T @ 4.0 GHz
369.3
369.3

Cinebench R20 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
421
421
Intel Core i5-6600
4C 4T @ 3.3 GHz
381
381

Cinebench R15 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
180
180
Intel Core i5-6600
4C 4T @ 3.3 GHz
166
166