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

Intel Core i5 9400 vs Intel Core i7 7820X

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

Main Differences

Intel Core i5 9400 's Advantages
Released 1 years and 8 months late
Integrated graphics card
Lower TDP (65W vs 140W)
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)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 9400
1102
Intel Core i7 7820X +13%
1252
Geekbench 6 Multi Core
Intel Core i5 9400
2309
Intel Core i7 7820X +225%
7510
Geekbench 5 Single Core
Intel Core i5 9400
1048
Intel Core i7 7820X +6%
1120
Geekbench 5 Multi Core
Intel Core i5 9400
4599
Intel Core i7 7820X +84%
8504
Passmark CPU Single Core
Intel Core i5 9400
2457
Intel Core i7 7820X +3%
2536
Passmark CPU Multi Core
Intel Core i5 9400
9431
Intel Core i7 7820X +82%
17189
Intel Core i5 9400
VS
Intel Core i7 7820X

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
i5-9400
Processor Number
i7-7820X
LGA-1151
Socket
LGA-2066
UHD Graphics 630
Integrated Graphics
N/A

Package

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

CPU Performance

6
Performance Cores
8
6
Performance Core Threads
16
2.9 GHz
Performance Core Base Frequency
3.6 GHz
4.1 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
8
6
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
36x
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
11 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
79.47 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1050 MHz
GPU Max Dynamic Frequency
-
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core i5 9400
Official Website
Intel Core i7 7820X
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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