Home Comparison Intel Core i5 9400F vs Intel Core i7 7800X

Intel Core i5 9400F vs Intel Core i7 7800X

Intel Core i5 9400F
VS
Intel Core i7 7800X
Intel Core i5 9400F Intel Core i7 7800X
We compared two desktop CPUs: Intel Core i5 9400F with 6 cores 2.9GHz and Intel Core i7 7800X with 6 cores 3.5GHz . 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
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger L3 cache size (9MB vs 8MB)
Lower TDP (65W vs 140W)
Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.5GHz vs 2.9GHz)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 9400F +11%
1069
Intel Core i7 7800X
963
Cinebench R23 Multi Core
Intel Core i5 9400F
5906
Intel Core i7 7800X +23%
7269
Geekbench 6 Single Core
Intel Core i5 9400F +2%
1396
Intel Core i7 7800X
1362
Geekbench 6 Multi Core
Intel Core i5 9400F
5142
Intel Core i7 7800X +18%
6082
Geekbench 5 Single Core
Intel Core i5 9400F
1067
Intel Core i7 7800X
1069
Geekbench 5 Multi Core
Intel Core i5 9400F
4806
Intel Core i7 7800X +36%
6578
Passmark CPU Single Core
Intel Core i5 9400F +1%
2453
Intel Core i7 7800X
2409
Passmark CPU Multi Core
Intel Core i5 9400F
9511
Intel Core i7 7800X +35%
12894
Intel Core i5 9400F
VS
Intel Core i7 7800X

General Parameters

Jan 2019
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i5-9400F
Processor Number
i7-7800X
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
140 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

6
Performance Cores
6
6
Performance Core Threads
12
2.9 GHz
Performance Core Base Frequency
3.5 GHz
4.1 GHz
Performance Core Turbo Frequency
4 GHz
6
Total Core Count
6
6
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
35x
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
8 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2400
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No

Miscellaneous

Intel Core i5 9400F
Official Website
Intel Core i7 7800X
3.0
PCIe Version
3.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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