Intel Core i7-6700K vs Intel Core i7-3770K

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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 i7-3770K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2012 and belongs to the 3 generation of the Intel Core i7 series.
To use the Intel Core i7-3770K, you'll need a motherboard with a LGA 1155 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-6700K Name Intel Core i7-3770K
Intel Core i7 Family Intel Core i7
6 Generation 3
Intel Core i 6000 Group Intel Core i 3000
 
 

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 i7-3770K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3770K is 3.5 GHz
and turbo frequency for one core is 3.9 GHz.
4.2 GHz Turbo Frequency (1 core) 3.9 GHz
Yes Overclocking Yes
normal Core architecture normal
4.0 GHz Frequency 3.5 GHz
8 Threads 8
4.0 GHz Turbo Frequency (all cores) 3.9 GHz
Yes Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

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 i7-3770K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3770K uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
0.35 GHz GPU frequency 0.65 GHz
Q3/2015 Release date Q1/2011
12 Direct X 11.0
Intel HD Graphics 530 GPU name Intel HD Graphics 4000
14 nm Technology 22 nm
-- Max. displays --
192 Shaders 128
32.0 GB Max. GPU Memory 2.0 GB
24 Execution units 16
9 Generation 7
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 No
Decode h265 / HEVC (10 bit) No
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 No
Decode / Encode h265 / HEVC (8 bit) No
Decode / Encode JPEG Decode
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.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 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 32.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
34.1 GB/s Bandwidth 25.6 GB/s
DDR4-2133, DDR3-1866 Memory type DDR3-1600
 
 

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 77 W watts.
-- Tjunction max --
91 W TDP (PL1 / PBP) 77 W
 
 

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 i7-3770K is manufactured using a 22 nm process.
Q3/2015 Release date Q2/2012
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
Monolithic Chip design Monolithic
Skylake S Architecture Ivy Bridge S
14 nm Technology 22 nm
LGA 1151 Socket LGA 1155
Windows 10, Linux Operating systems Windows 10, Linux
420 $ Release price 275 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 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 i7-3770K
4C 8T @ 3.5 GHz
14944
14944

Geekbench 3, 64bit (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4757
4757
Intel Core i7-3770K
4C 8T @ 3.5 GHz
3782
3782

Geekbench 6 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4665
4665
Intel Core i7-3770K
4C 8T @ 3.5 GHz
2527
2527

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4459
4459
Intel Core i7-3770K
4C 8T @ 3.5 GHz
3409
3409

V-Ray CPU-Render Benchmark

Intel Core i7-6700K
4C 8T @ 4.0 GHz
4407
4407
Intel Core i7-3770K
4C 8T @ 3.5 GHz
2674
2674

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2313
2313
Intel Core i7-3770K
4C 8T @ 3.5 GHz
1866
1866

Cinebench R20 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
2059
2059
Intel Core i7-3770K
4C 8T @ 3.5 GHz
1391
1391

Geekbench 6 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
1347
1347
Intel Core i7-3770K
4C 8T @ 3.5 GHz
737
737

Cinebench R15 (Multi-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
888
888
Intel Core i7-3770K
4C 8T @ 3.5 GHz
672
672

Blender 2.81 (bmw27)

Intel Core i7-3770K
4C 8T @ 3.5 GHz
597.4
597.4
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 i7-3770K
4C 8T @ 3.5 GHz
286
286

Cinebench R15 (Single-Core)

Intel Core i7-6700K
4C 8T @ 4.0 GHz
180
180
Intel Core i7-3770K
4C 8T @ 3.5 GHz
137
137