Home Comparison Intel Core i7 7820X vs Intel Core i5 9400F

Intel Core i7 7820X vs Intel Core i5 9400F

Intel Core i7 7820X
VS
Intel Core i5 9400F
Intel Core i7 7820X
Intel Core i5 9400F
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i5 9400F with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.6GHz vs 2.9GHz)
Larger L3 cache size (11MB vs 9MB)
Intel Core i5 9400F 's Advantages
Released 1 years and 8 months late
Lower TDP (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 7820X +31%
1338
Intel Core i5 9400F
1014
Cinebench R23 Multi Core
Intel Core i7 7820X +139%
13358
Intel Core i5 9400F
5579
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i5 9400F +11%
1396
Geekbench 6 Multi Core
Intel Core i7 7820X +46%
7510
Intel Core i5 9400F
5142
Geekbench 5 Single Core
Intel Core i7 7820X +4%
1120
Intel Core i5 9400F
1067
Geekbench 5 Multi Core
Intel Core i7 7820X +76%
8504
Intel Core i5 9400F
4806
Passmark CPU Single Core
Intel Core i7 7820X +3%
2536
Intel Core i5 9400F
2453
Passmark CPU Multi Core
Intel Core i7 7820X +80%
17189
Intel Core i5 9400F
9511
Intel Core i7 7820X
VS
Intel Core i5 9400F

General Parameters

May 2017
Release Date
Jan 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i7-7820X
Processor Number
i5-9400F
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
65 W
99 °C
Peak Operating Temperature
100 °C

CPU Performance

8
Performance Cores
6
16
Performance Core Threads
6
3.6 GHz
Performance Core Base Frequency
2.9 GHz
4.3 GHz
Performance Core Turbo Frequency
4.1 GHz
8
Total Core Count
6
16
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
29x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
11 MB shared
L3 Cache
9 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

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

Miscellaneous

Intel Core i7 7820X
Official Website
Intel Core i5 9400F
3.0
PCIe Version
3.0
28
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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