Home Comparison Intel Core i5 8400H vs Intel Core i7 1355U

Intel Core i5 8400H vs Intel Core i7 1355U

Intel Core i5 8400H
VS
Intel Core i7 1355U
Intel Core i5 8400H Intel Core i7 1355U
We compared two laptop CPUs: Intel Core i5 8400H with 4 cores 2.5GHz and Intel Core i7 1355U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400H 's Advantages
Higher base frequency (2.5GHz vs 1.7GHz)
Intel Core i7 1355U 's Advantages
Released 4 years and 9 months late
Better graphics card performance
Higher specification of memory (LPDDR5-6400 vs DDR4-2666)
Larger memory bandwidth (89.6GB/s vs 41.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (12W vs 45W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8400H
1060
Intel Core i7 1355U +70%
1806
Cinebench R23 Multi Core
Intel Core i5 8400H
4035
Intel Core i7 1355U +131%
9334
Geekbench 6 Single Core
Intel Core i5 8400H
1213
Intel Core i7 1355U +96%
2379
Geekbench 6 Multi Core
Intel Core i5 8400H
3109
Intel Core i7 1355U +155%
7945
Blender
Intel Core i5 8400H
48
Intel Core i7 1355U +135%
113
Geekbench 5 Single Core
Intel Core i5 8400H
1075
Intel Core i7 1355U +58%
1709
Geekbench 5 Multi Core
Intel Core i5 8400H
3884
Intel Core i7 1355U +116%
8398
Passmark CPU Single Core
Intel Core i5 8400H
2416
Intel Core i7 1355U +48%
3594
Passmark CPU Multi Core
Intel Core i5 8400H
7914
Intel Core i7 1355U +92%
15257
Intel Core i5 8400H
VS
Intel Core i7 1355U

General Parameters

Apr 2018
Release Date
Jan 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Raptor Lake
i5-8400H
Processor Number
i7-1355U
BGA-1440
Socket
BGA-1744
UHD Graphics 630
Integrated Graphics
Iris Xe Graphics (96EU)

Package

14 nm
Manufacturing Process
10 nm
BGA-1440
Socket
BGA-1744
45 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

4
Performance Cores
2
8
Performance Core Threads
4
2.5 GHz
Performance Core Base Frequency
1.7 GHz
4.2 GHz
Performance Core Turbo Frequency
5 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
3.7 GHz
4
Total Core Count
10
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
25x
Multiplier
17x
64 K per core
L1 Cache
80 K per core
256 K per core
L2 Cache
1280 K per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2666, LPDDR3-2133
Memory Types
DDR5-5200, DDR4-3200, LPDDR5-6400, LPDDR5x-6400, LPDDR4x-4267
64 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
41.8 GB/s
Max Memory Bandwidth
89.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1100 MHz
GPU Max Dynamic Frequency
1300 MHz
192
Shader Units
768
24
Texture Units
48
3
Raster Operation Units
24
24
Execution Units
96
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core i5 8400H
Official Website
Intel Core i7 1355U
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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