Intel Core i9-7920X vs Intel Core i7-7700K

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-7920X or Intel Core i9-7920X – 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 i9-7920X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q3/2017 and belongs to the 7 generation of the Intel Core i9 series.
To use the Intel Core i9-7920X, you'll need a motherboard with a LGA 2066 socket.
The Intel Core i7-7700K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q1/2017 and belongs to the 7 generation of the Intel Core i7 series.
To use the Intel Core i7-7700K, you'll need a motherboard with a LGA 1151 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-7920X Name Intel Core i7-7700K
Intel Core i9 Family Intel Core i7
7 Generation 7
Intel Core i 7000X Group Intel Core i 7000
 
 

CPU Cores and Base Frequency

The Intel Core i9-7920X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the Intel Core i9-7920X is 2.9 GHz
and turbo frequency for one core is 4.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-7700K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-7700K is 4.2 GHz
and turbo frequency for one core is 4.5 GHz.
4.3 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking Yes
normal Core architecture normal
2.9 GHz Frequency 4.2 GHz
24 Threads 8
None None 4.4 GHz
Yes Hyperthreading Yes
12 CPU Cores 4
12x Cores 4x
 
 

Internal Graphics

The Intel Core i9-7920X does not have integrated graphics.
The Intel Core i7-7700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-7700K uses the Intel HD Graphics 630, 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.
-- GPU frequency 0.35 GHz
-- Release date Q2/2016
-- Direct X 12
GPU name Intel HD Graphics 630
-- Technology 14 nm
-- Max. displays --
-- Shaders 192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- 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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG 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 85.4 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 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
4 Memory channels 2
128.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
85.4 GB/s Bandwidth 38.4 GB/s
DDR4-2666 Memory type DDR3-1600, DDR4-2400
 
 

Thermal Management

The processor has a thermal design power (TDP) of 165 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 --
165 W TDP (PL1 / PBP) 91 W
 
 

Technical details

The Intel Core i9-7920X 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 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-7700K is manufactured using a 14 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q3/2017 Release date Q1/2017
-- 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, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Skylake X Architecture Kaby Lake S
14 nm Technology 14 nm
LGA 2066 Socket LGA 1151
Windows 10, Linux Operating systems Windows 10, Linux
1189 $ Release price 350 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
45772
45772
Intel Core i7-7700K
4C 8T @ 4.2 GHz
18702
18702

Estimated results for PassMark CPU Mark

Intel Core i9-7920X
12C 24T @ 2.9 GHz
23625
23625
Intel Core i7-7700K
4C 8T @ 4.2 GHz
9666
9666

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
11498
11498
Intel Core i7-7700K
4C 8T @ 4.2 GHz
4719
4719

Geekbench 6 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
9881
9881
Intel Core i7-7700K
4C 8T @ 4.2 GHz
5149
5149

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
6200
6200
Intel Core i7-7700K
4C 8T @ 4.2 GHz
2523
2523

Geekbench 3, 64bit (Single-Core)

Intel Core i7-7700K
4C 8T @ 4.2 GHz
5130
5130
Intel Core i9-7920X
12C 24T @ 2.9 GHz
4876
4876

Cinebench R15 (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
2438
2438
Intel Core i7-7700K
4C 8T @ 4.2 GHz
995
995

Geekbench 6 (Single-Core)

Intel Core i7-7700K
4C 8T @ 4.2 GHz
1463
1463
Intel Core i9-7920X
12C 24T @ 2.9 GHz
1410
1410

Geekbench 5, 64bit (Single-Core)

Intel Core i7-7700K
4C 8T @ 4.2 GHz
1229
1229
Intel Core i9-7920X
12C 24T @ 2.9 GHz
1133
1133

Blender 2.81 (bmw27)

Intel Core i7-7700K
4C 8T @ 4.2 GHz
335.8
335.8
Intel Core i9-7920X
12C 24T @ 2.9 GHz
120.9
120.9

Cinebench R15 (Single-Core)

Intel Core i7-7700K
4C 8T @ 4.2 GHz
200
200
Intel Core i9-7920X
12C 24T @ 2.9 GHz
188
188

Cinebench R11.5, 64bit (Multi-Core)

Intel Core i9-7920X
12C 24T @ 2.9 GHz
26.7
26.7
Intel Core i7-7700K
4C 8T @ 4.2 GHz
10.9
10.9