Intel Core i5 7640X vs Intel Core i7 7740X
We compared two desktop CPUs: Intel Core i5 7640X with 4 cores 4.0GHz and Intel Core i7 7740X with 4 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 7740X Advantages
Higher base frequency (4.3GHz vs 4.0GHz)
Larger L3 cache size (8MB vs 6MB)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 7640X
1419
Intel Core i7 7740X
+9%
1553
Geekbench 6 Multi Core
Intel Core i5 7640X
3726
Intel Core i7 7740X
+48%
5516
Geekbench 5 Single Core
Intel Core i5 7640X
1237
Intel Core i7 7740X
+4%
1291
Geekbench 5 Multi Core
Intel Core i5 7640X
4230
Intel Core i7 7740X
+18%
5001
Passmark CPU Single Core
Intel Core i5 7640X
2505
Intel Core i7 7740X
+10%
2759
Passmark CPU Multi Core
Intel Core i5 7640X
6735
Intel Core i7 7740X
+45%
9824
General Parameters
May 2017
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Kaby Lake
Core Architecture
Kaby Lake
i5-7640X
Processor Number
i7-7740X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
112 W
Power Consumption
112 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
4
Performance Cores
4
4
Performance Core Threads
8
4.0 GHz
Performance Core Base Frequency
4.3 GHz
4.2 GHz
Performance Core Turbo Frequency
4.5 GHz
4
Total Core Count
4
4
Total Thread Count
8
39x
Multiplier
43x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
6 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
42.7 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
