Intel Core i7-6700K vs Intel Core i7-3930K

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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 i7-3930K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q4/2011 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3930K, you'll need a motherboard with a LGA 2011 socket.
Intel Core i 6000 Group Intel Core i 3000X
6 Generation 3
Desktop / Server Segment Desktop / Server
Intel Core i7-6700K Name Intel Core i7-3930K
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 i7-3930K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-3930K is 3.2 GHz
and turbo frequency for one core is 3.8 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) 3.8 GHz
4.0 GHz Frequency 3.2 GHz
4.0 GHz Turbo Frequency (all cores) 3.8 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 i7-3930K 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 51.2 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 DDR3-1600
No ECC No
64.0 GB Max. Memory 64.0 GB
2 Memory channels 4
34.1 GB/s Bandwidth 51.2 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 130 W watts.
91 W TDP (PL1 / PBP) 130 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 i7-3930K is manufactured using a 32 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q3/2015 Release date Q4/2011
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d (C2 Stepping)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
14 nm Technology 32 nm
Monolithic Chip design Monolithic
420 $ Release price 480 $
Skylake S Architecture Sandy Bridge E
8.0 MB L3-Cache 12.0 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
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-3930K
6C 12T @ 3.2 GHz
20711
20711
Intel Core i7-6700K
4C 8T @ 4.0 GHz
17028
17028

Geekbench 3, 64bit (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4757
4757
Intel Core i7-3930K
6C 12T @ 3.2 GHz
3542
3542

Geekbench 6 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665
Intel Core i7-3930K
6C 12T @ 3.2 GHz
3201
3201

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-3930K
6C 12T @ 3.2 GHz
4576
4576
Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-3930K
6C 12T @ 3.2 GHz
2588
2588
Intel Core i7-6700K
4C 8T @ 4.0 GHz
2313
2313

Cinebench R20 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2059
2059
Intel Core i7-3930K
6C 12T @ 3.2 GHz
1986
1986

Geekbench 6 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347
Intel Core i7-3930K
6C 12T @ 3.2 GHz
731
731

Cinebench R15 (Multi-Core)

Intel Core i7-3930K
6C 12T @ 3.2 GHz
915
915
Intel Core i7-6700K
4C 8T @ 4.0 GHz
888
888

Blender 2.81 (bmw27)

Intel Core i7-3930K
6C 12T @ 3.2 GHz
427.7
427.7
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 i7-3930K
6C 12T @ 3.2 GHz
269
269

Cinebench R15 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
180
180
Intel Core i7-3930K
6C 12T @ 3.2 GHz
129
129