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Comparison
Intel Core i5 9400F vs Intel Core i9 9940X
Intel Core i5 9400F vs Intel Core i9 9940X
VS
Intel Core i5 9400F
Intel Core i9 9940X
We compared two desktop CPUs: Intel Core i5 9400F with 6 cores 2.9GHz and Intel Core i9 9940X with 14 cores 3.3GHz . 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
Lower TDP (65W vs 165W)
Intel Core i9 9940X 's Advantages
Larger memory bandwidth (85GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 2.9GHz)
Larger L3 cache size (20MB vs 9MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 9400F
1069
Intel Core i9 9940X
+14%
1228
Cinebench R23 Multi Core
Intel Core i5 9400F
5906
Intel Core i9 9940X
+159%
15351
Geekbench 6 Single Core
Intel Core i5 9400F
+5%
1396
Intel Core i9 9940X
1328
Geekbench 6 Multi Core
Intel Core i5 9400F
5142
Intel Core i9 9940X
+90%
9787
Geekbench 5 Single Core
Intel Core i5 9400F
1067
Intel Core i9 9940X
+11%
1189
Geekbench 5 Multi Core
Intel Core i5 9400F
4806
Intel Core i9 9940X
+199%
14374
Passmark CPU Single Core
Intel Core i5 9400F
2453
Intel Core i9 9940X
+6%
2608
Passmark CPU Multi Core
Intel Core i5 9400F
9511
Intel Core i9 9940X
+198%
28355
Intel Core i5 9400F
VS
Intel Core i9 9940X
General Parameters
Jan 2019
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i5-9400F
Processor Number
i9-9940X
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
165 W
100 °C
Peak Operating Temperature
88 °C
CPU Performance
6
Performance Cores
14
6
Performance Core Threads
28
2.9 GHz
Performance Core Base Frequency
3.3 GHz
4.1 GHz
Performance Core Turbo Frequency
4.4 GHz
6
Total Core Count
14
6
Total Thread Count
28
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
9 MB shared
L3 Cache
20 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Miscellaneous
Intel Core i5 9400F
Official Website
Intel Core i9 9940X
3.0
PCIe Version
3.0
16
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
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