Home Comparison Intel Core Ultra 7 255HX vs Intel Core i5 11400H

Intel Core Ultra 7 255HX vs Intel Core i5 11400H

Intel Core Ultra 7 255HX
VS
Intel Core i5 11400H
Intel Core Ultra 7 255HX
Intel Core i5 11400H
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i5 11400H with 6 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core Ultra 7 255HX 's Advantages
Released 3 years and 8 months late
Higher specification of memory (6400 vs 3200)
Larger memory bandwidth (102.4GB/s vs 51.2GB/s)
Newer PCIe version (5 vs 4.0)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i5 11400H 's Advantages
Higher base frequency (2.7GHz vs 2.4GHz)
Lower TDP (45W vs 55W)

Score

Intel Core Ultra 7 255HX
VS
Intel Core i5 11400H

General Parameters

Jan 2025
Release Date
May 2021
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Arrow Lake
Core Architecture
Tiger Lake H45
-
Processor Number
i5-11400H
Intel Socket 1851
Socket
BGA-1787
Arc Xe-LPG
Integrated Graphics
UHD Graphics for 11th Gen (16 EU)
Ultra 7 (Arrow Lake)
Generation
-

Package

3 nm
Manufacturing Process
10 nm
17-55 W
Power Consumption
35-45 W
100 °C
Peak Operating Temperature
100 °C
Intel
Foundry
-

CPU Performance

8
Performance Cores
6
8
Performance Core Threads
12
2.4 GHz
Performance Core Base Frequency
2.2-2.7 GHz
5.2 GHz
Performance Core Turbo Frequency
4.5 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
4.5 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
6
20
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
24
Multiplier
22-27x
112 KB per core
L1 Cache
96 K per core
23 MB
L2 Cache
1280 K per core
24 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-6400
Memory Types
DDR4-3200
256 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
51.2 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
1900 MHz
GPU Max Dynamic Frequency
1450 MHz
-
Shader Units
128
-
Texture Units
16
-
Raster Operation Units
8
64
Execution Units
16
-
Power Consumption
15 W
-
Graphics Performance
0.382 TFLOPS

Miscellaneous

Official Website
Intel Core i5 11400H
5
PCIe Version
4.0
PCIe Lanes
20

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