Home Comparison Intel Core i7 14700HX vs Intel Core i5 8400H

Intel Core i7 14700HX vs Intel Core i5 8400H

Intel Core i7 14700HX
VS
Intel Core i5 8400H
Intel Core i7 14700HX
Intel Core i5 8400H
We compared two laptop CPUs: Intel Core i7 14700HX with 20 cores 2.1GHz and Intel Core i5 8400H with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 14700HX 's Advantages
Released 5 years and 9 months late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (33MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 8400H 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Lower TDP (45W vs 55W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 14700HX +96%
2079
Intel Core i5 8400H
1060
Cinebench R23 Multi Core
Intel Core i7 14700HX +449%
22166
Intel Core i5 8400H
4035
Geekbench 6 Single Core
Intel Core i7 14700HX +125%
2738
Intel Core i5 8400H
1213
Geekbench 6 Multi Core
Intel Core i7 14700HX +411%
15894
Intel Core i5 8400H
3109
Blender
Intel Core i7 14700HX +622%
347
Intel Core i5 8400H
48
Passmark CPU Single Core
Intel Core i7 14700HX +49%
3605
Intel Core i5 8400H
2416
Passmark CPU Multi Core
Intel Core i7 14700HX +363%
36643
Intel Core i5 8400H
7914
Intel Core i7 14700HX
VS
Intel Core i5 8400H

General Parameters

Jan 2024
Release Date
Apr 2018
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Raptor Lake Refresh
Core Architecture
Coffee Lake
i7-14700HX
Processor Number
i5-8400H
BGA-1964
Socket
BGA-1440
UHD Graphics (32EU)
Integrated Graphics
UHD Graphics 630

Package

10 nm
Manufacturing Process
14 nm
45-55 W
Power Consumption
45 W
157 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C

CPU Performance

8
Performance Cores
4
16
Performance Core Threads
8
2.1 GHz
Performance Core Base Frequency
2.5 GHz
5.5 GHz
Performance Core Turbo Frequency
4.2 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.5 GHz
Efficiency Core Base Frequency
-
3.9 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
4
28
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
21x
Multiplier
25x
80 K per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
256 K per core
33 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR5-5600, DDR4-3200
Memory Types
DDR4-2666, LPDDR3-2133
192 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
41.8 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1600 MHz
GPU Max Dynamic Frequency
1100 MHz
256
Shader Units
192
16
Texture Units
24
8
Raster Operation Units
3
32
Execution Units
24
45 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.74 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i7 14700HX
Official Website
Intel Core i5 8400H
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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