Intel Core i5-7640X vs Intel Core i7-7740X

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-7640X or Intel Core i5-7640X – 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 i5-7640X features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2017 and belongs to the 7 generation of the Intel Core i5 series.
To use the Intel Core i5-7640X, you'll need a motherboard with a LGA 2066 socket.
The Intel Core i7-7740X features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2017 and belongs to the 7 generation of the Intel Core i7 series.
To use the Intel Core i7-7740X, you'll need a motherboard with a LGA 2066 socket.
Intel Core i 7000X Group Intel Core i 7000X
7 Generation 7
Desktop / Server Segment Desktop / Server
Intel Core i5-7640X Name Intel Core i7-7740X
Intel Core i5 Family Intel Core i7
 
 

CPU Cores and Base Frequency

The Intel Core i5-7640X has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i5-7640X is 4.0 GHz
and turbo frequency for one core is 4.2 GHz.
The Intel Core i7-7740X has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-7740X is 4.3 GHz
and turbo frequency for one core is 4.5 GHz.
8 Threads 8
4x Cores 4x
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
4.2 GHz Turbo Frequency (1 core) 4.5 GHz
4.0 GHz Frequency 4.3 GHz
4.2 GHz Turbo Frequency (all cores) 4.3 GHz
 
 

Internal Graphics

The Intel Core i5-7640X does not have integrated graphics.
The Intel Core i7-7740X does not have integrated graphics.
-- Shaders --
-- Release date --
-- Technology --
-- Direct X --
0 bytes Max. GPU Memory 0 bytes
-- Max. displays --
-- Execution units --
-- GPU frequency --
-- Generation --
-- GPU (Turbo) --
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.
-- VP8 --
-- VC-1 --
-- JPEG --
-- AV1 --
-- h265 / HEVC (8 bit) --
-- AVC --
-- h264 --
-- VP9 --
-- 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 42.7 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
DDR4-2666 Memory type DDR4-2666
No ECC No
64.0 GB Max. Memory 64.0 GB
2 Memory channels 2
42.7 GB/s Bandwidth 42.7 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 112 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.
112 W TDP (PL1 / PBP) 112 W
-- Tjunction max --
 
 

Technical details

The Intel Core i5-7640X 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 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-7740X is manufactured using a 14 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q2/2017 Release date Q2/2017
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, AVX-512
14 nm Technology 14 nm
Monolithic Chip design Monolithic
300 $ Release price 375 $
Skylake X Architecture Skylake X
6.0 MB L3-Cache 8.0 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 2066 Socket LGA 2066
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
18340
18340
Intel Core i5-7640X
4C 8T @ 4.0 GHz
14204
14204

Geekbench 6 (Multi-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
5220
5220
Intel Core i5-7640X
4C 8T @ 4.0 GHz
3982
3982

Geekbench 3, 64bit (Single-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
5133
5133
Intel Core i5-7640X
4C 8T @ 4.0 GHz
4489
4489

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
4834
4834
Intel Core i5-7640X
4C 8T @ 4.0 GHz
3644
3644

Geekbench 6 (Single-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
1497
1497
Intel Core i5-7640X
4C 8T @ 4.0 GHz
1411
1411

Geekbench 5, 64bit (Single-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
1277
1277
Intel Core i5-7640X
4C 8T @ 4.0 GHz
1153
1153

Cinebench R15 (Multi-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
976
976
Intel Core i5-7640X
4C 8T @ 4.0 GHz
720
720

Cinebench R15 (Single-Core)

Intel Core i7-7740X
4C 8T @ 4.3 GHz
200
200
Intel Core i5-7640X
4C 8T @ 4.0 GHz
180
180