Intel Core i5 8400H vs Intel Core i9 7900X
CPU Specs Compare
General Parameters
Release Date
Apr 2018
May 2017
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Skylake
Processor Number
i5-8400H
i9-7900X
Integrated Graphics
UHD Graphics 630
N/A
Package
Manufacturing Process
14 nm
14 nm
Socket
BGA-1440
LGA-2066
Power Consumption
45 W
140 W
Peak Operating Temperature
100 °C
95 °C
CPU Performance
Performance Cores
4
10
Performance Core Threads
8
20
Performance Core Base Frequency
2.5 GHz
3.3 GHz
Performance Core Turbo Frequency
4.2 GHz
4.3 GHz
Total Core Count
4
10
Total Thread Count
8
20
Bus Frequency
100 MHz
100 MHz
Multiplier
25x
33x
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
1 MB per core
L3 Cache
8 MB shared
14 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR4-2666, LPDDR3-2133
DDR4-2666
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
41.8 GB/s
79.47 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1100 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Miscellaneous
📊 Benchmark
Cinebench R23
1,060
1,203
Cinebench R23
4,035
14,998
Geekbench 6
1,213
1,323
Geekbench 5
1,075
-
Geekbench 6
3,109
8,536
Geekbench 5
3,884
-
Blender
48
-
Passmark CPU
2,416
2,556
Passmark CPU
7,914
20,991