Intel Core i7-6700K vs Intel Core i7-5930K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6700K or Intel Core i7-6700K – 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 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.
The Intel Core i7-5930K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2014 and belongs to the 5 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-5930K, you'll need a motherboard with a LGA 2011-3 socket.
Intel Core i 6000 Group Intel Core i 5000X
6 Generation 5
Desktop / Server Segment Desktop / Server
Intel Core i7-6700K Name Intel Core i7-5930K
Intel Core i7 Family Intel Core i7 Extreme Edition
 
 

CPU Cores and Base Frequency

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.
The Intel Core i7-5930K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-5930K is 3.5 GHz
and turbo frequency for one core is 3.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
8 Threads 12
4x Cores 6x
4 CPU Cores 6
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
4.2 GHz Turbo Frequency (1 core) 3.7 GHz
4.0 GHz Frequency 3.5 GHz
4.0 GHz Turbo Frequency (all cores) 3.6 GHz
 
 

Internal Graphics

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
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 i7-5930K does not have integrated graphics.
192 Shaders --
Q3/2015 Release date --
14 nm Technology --
12 Direct X --
32.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
24 Execution units --
0.35 GHz GPU frequency --
9 Generation --
1.15 GHz GPU (Turbo) --
Intel HD Graphics 530 GPU name
 
 

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 VP8 --
Decode VC-1 --
Decode / Encode JPEG --
No AV1 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode AVC --
Decode / Encode h264 --
Decode VP9 --
Decode h265 / HEVC (10 bit) --
 
 

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.
The processor supports a maximum memory capacity of 64.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 68.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-2133, DDR3-1866 Memory type DDR4-2133
No ECC No
64.0 GB Max. Memory 64.0 GB
2 Memory channels 4
34.1 GB/s Bandwidth 68.2 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 91 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 140 W watts.
91 W TDP (PL1 / PBP) 140 W
-- Tjunction max --
 
 

Technical details

The Intel Core i7-6700K 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-5930K is manufactured using a 22 nm process.
In total, this processor boasts a generous 15.0 MB cache.
Q3/2015 Release date Q3/2014
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
14 nm Technology 22 nm
Monolithic Chip design Monolithic
420 $ Release price 499 $
Skylake S Architecture Haswell E
8.0 MB L3-Cache 15.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
LGA 1151 Socket LGA 2011-3
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
24408
24408
Intel Core i7-6700K
4C 8T @ 4.0 GHz
17028
17028

Geekbench 6 (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
6032
6032
Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
5788
5788
Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459

Geekbench 3, 64bit (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4757
4757
Intel Core i7-5930K
6C 12T @ 3.5 GHz
3844
3844

Cinebench R20 (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
3052
3052
Intel Core i7-6700K
4C 8T @ 4.0 GHz
2059
2059

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
3043
3043
Intel Core i7-6700K
4C 8T @ 4.0 GHz
2313
2313

Geekbench 6 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347
Intel Core i7-5930K
6C 12T @ 3.5 GHz
1132
1132

Cinebench R15 (Multi-Core)

Intel Core i7-5930K
6C 12T @ 3.5 GHz
1149
1149
Intel Core i7-6700K
4C 8T @ 4.0 GHz
888
888

Cinebench R20 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
421
421
Intel Core i7-5930K
6C 12T @ 3.5 GHz
409
409

Blender 2.81 (bmw27)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
369.3
369.3
Intel Core i7-5930K
6C 12T @ 3.5 GHz
313.2
313.2