Intel Core i5 11400H vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i5 11400H with 6 cores 2.2GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 11400H Advantages
Higher base frequency (2.7GHz vs 2.4GHz)
Lower TDP (45W vs 55W)
Intel Core Ultra 7 255HX Advantages
Released 3 years and 8 months late
Better graphics card performance
Higher specification of memory (6400 vs 3200)
Larger memory bandwidth (102.4GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 11400H
1464
Intel Core Ultra 7 255HX
+38%
2030
Cinebench R23 Multi Core
Intel Core i5 11400H
9315
Intel Core Ultra 7 255HX
+174%
25611
Geekbench 6 Single Core
Intel Core i5 11400H
1849
Intel Core Ultra 7 255HX
+67%
3102
Geekbench 6 Multi Core
Intel Core i5 11400H
5279
Intel Core Ultra 7 255HX
+200%
15879
General Parameters
May 2021
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Tiger Lake H45
Core Architecture
Arrow Lake
i5-11400H
Processor Number
255HX
BGA-1787
Socket
FCBGA-2114
UHD Graphics for 11th Gen (16 EU)
Integrated Graphics
Arc Graphics (4-Cores)
-
Generation
Ultra 7 (Arrow Lake)
Package
10 nm
Manufacturing Process
3 nm
35-45 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
100 °C
Peak Operating Temperature
105 °C
-
Foundry
Intel
CPU Performance
6
Performance Cores
8
12
Performance Core Threads
8
2.2-2.7 GHz
Performance Core Base Frequency
2.4 GHz
4.5 GHz
Performance Core Turbo Frequency
5.2 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
6
Total Core Count
20
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
22-27x
Multiplier
24
96 K per core
L1 Cache
112 K per core
1280 K per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR4-3200
Memory Types
DDR5-6400
128 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
51.2 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1450 MHz
GPU Max Dynamic Frequency
1850 MHz
128
Shader Units
512
16
Texture Units
32
8
Raster Operation Units
16
16
Execution Units
64
15 W
Power Consumption
14
0.382 TFLOPS
Graphics Performance
1.9 TFLOPS
Miscellaneous
4.0
PCIe Version
5.0
20
PCIe Lanes
24
