Intel Core i7-6800K vs Intel Core i7-4790K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-6800K or Intel Core i7-6800K – 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 i7-6800K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q2/2016 and belongs to the 6 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-6800K, you'll need a motherboard with a LGA 2011-3 socket.
The Intel Core i7-4790K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2014 and belongs to the 4 generation of the Intel Core i7 series.
To use the Intel Core i7-4790K, you'll need a motherboard with a LGA 1150 socket.
Intel Core i 6000 Group Intel Core i 4000
6 Generation 4
Intel Core i7-6800K Name Intel Core i7-4790K
Desktop / Server Segment Desktop / Server
Intel Core i7 Extreme Edition Family Intel Core i7
 
 

CPU Cores and Base Frequency

The Intel Core i7-6800K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-6800K is 3.4 GHz
and turbo frequency for one core is 3.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-4790K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4790K is 4.0 GHz
and turbo frequency for one core is 4.4 GHz.
None None 4.2 GHz
3.6 GHz Turbo Frequency (1 core) 4.4 GHz
normal Core architecture normal
3.4 GHz Frequency 4.0 GHz
6 CPU Cores 4
Yes Overclocking Yes
Yes Hyperthreading Yes
6x Cores 4x
12 Threads 8
 
 

Internal Graphics

The Intel Core i7-6800K does not have integrated graphics.
The Intel Core i7-4790K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4790K uses the Intel HD Graphics 4600, which has 160 texture shaders
and 20 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU (Turbo) 1.25 GHz
-- Technology 22 nm
-- Direct X 11.1
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 20
-- Release date Q2/2013
GPU name Intel HD Graphics 4600
-- Shaders 160
-- GPU frequency 0.35 GHz
-- Generation 7.5
-- Max. displays --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 76.8 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.
DDR4-2400 Memory type
76.8 GB/s Bandwidth 25.6 GB/s
Yes AES-NI Yes
No ECC No
pci PCIe pci
128.0 GB Max. Memory 32.0 GB
4 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 140 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 88 W watts.
140 W TDP (PL1 / PBP) 88 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i7-6800K 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 15.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-4790K is manufactured using a 22 nm process.
In total, this processor boasts a generous 8.0 MB cache.
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
14 nm Technology 22 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
-- Part Number --
Monolithic Chip design Monolithic
Q2/2016 Release date Q2/2014
628 $ Release price 310 $
0 bytes L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
15.0 MB L3-Cache 8.0 MB
LGA 2011-3 Socket LGA 1150
Windows 10, Linux Operating systems Windows 10, Linux
Skylake S Architecture Devils Canyon S
 
 

Benchmarks

Cinebench R23 (Multi-Core)

Intel Core i7-6800K
6C 12T @ 3.4 GHz
6645
6645
Intel Core i7-4790K
4C 8T @ 4.0 GHz
4936
4936

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-6800K
6C 12T @ 3.4 GHz
6314
6314
Intel Core i7-4790K
4C 8T @ 4.0 GHz
4001
4001

Geekbench 6 (Multi-Core)

Intel Core i7-6800K
6C 12T @ 3.4 GHz
5960
5960
Intel Core i7-4790K
4C 8T @ 4.0 GHz
4674
4674

V-Ray CPU-Render Benchmark

Intel Core i7-6800K
6C 12T @ 3.4 GHz
4855
4855
Intel Core i7-4790K
4C 8T @ 4.0 GHz
3765
3765

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-6800K
6C 12T @ 3.4 GHz
3194
3194
Intel Core i7-4790K
4C 8T @ 4.0 GHz
2311
2311

Geekbench 6 (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
1387
1387
Intel Core i7-6800K
6C 12T @ 3.4 GHz
1267
1267

Geekbench 5, 64bit (Single-Core)

Intel Core i7-6800K
6C 12T @ 3.4 GHz
1080
1080
Intel Core i7-4790K
4C 8T @ 4.0 GHz
1073
1073

Cinebench R23 (Single-Core)

Intel Core i7-4790K
4C 8T @ 4.0 GHz
1069
1069
Intel Core i7-6800K
6C 12T @ 3.4 GHz
949
949