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Comparison
Intel Core i5 9400F vs Intel Core i5 7640X
Intel Core i5 9400F vs Intel Core i5 7640X
VS
Intel Core i5 9400F
Intel Core i5 7640X
We compared two desktop CPUs: Intel Core i5 9400F with 6 cores 2.9GHz and Intel Core i5 7640X with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 9400F 's Advantages
Released 1 years and 8 months late
Larger L3 cache size (9MB vs 6MB)
Lower TDP (65W vs 112W)
Intel Core i5 7640X 's Advantages
Larger memory bandwidth (42.7GB/s vs 41.6GB/s)
Higher base frequency (4.0GHz vs 2.9GHz)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i5 9400F
1396
Intel Core i5 7640X
+1%
1419
Geekbench 6 Multi Core
Intel Core i5 9400F
+38%
5142
Intel Core i5 7640X
3726
Geekbench 5 Single Core
Intel Core i5 9400F
1067
Intel Core i5 7640X
+15%
1237
Geekbench 5 Multi Core
Intel Core i5 9400F
+13%
4806
Intel Core i5 7640X
4230
Passmark CPU Single Core
Intel Core i5 9400F
2453
Intel Core i5 7640X
+2%
2505
Passmark CPU Multi Core
Intel Core i5 9400F
+41%
9511
Intel Core i5 7640X
6735
Intel Core i5 9400F
VS
Intel Core i5 7640X
General Parameters
Jan 2019
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Kaby Lake
i5-9400F
Processor Number
i5-7640X
LGA-1151
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
LGA-1151
Socket
LGA-2066
65 W
Power Consumption
112 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
4
6
Performance Core Threads
4
2.9 GHz
Performance Core Base Frequency
4.0 GHz
4.1 GHz
Performance Core Turbo Frequency
4.2 GHz
6
Total Core Count
4
6
Total Thread Count
4
100 MHz
Bus Frequency
-
29x
Multiplier
39x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
42.7 GB/s
No
ECC Memory Support
No
Miscellaneous
Intel Core i5 9400F
Official Website
Intel Core i5 7640X
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
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