Home Comparison Intel Core i9 14900HX vs Intel Core Ultra 7 255HX

Intel Core i9 14900HX vs Intel Core Ultra 7 255HX

Intel Core i9 14900HX
VS
Intel Core Ultra 7 255HX
Intel Core i9 14900HX
Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core i9 14900HX with 24 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 i9 14900HX 's Advantages
Larger L3 cache size (36MB vs 24MB)
Intel Core Ultra 7 255HX 's Advantages
Released 1 years late
Higher specification of memory (6400 vs 5600)
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5 vs 5.0)
Higher base frequency (2.4GHz vs 2.2GHz)
More modern manufacturing process (3nm vs 10nm)

Score

Intel Core i9 14900HX
VS
Intel Core Ultra 7 255HX

General Parameters

Jan 2024
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
-
Raptor Lake Refresh
Core Architecture
Arrow Lake
i9-14900HX
Processor Number
-
BGA-1964
Socket
Intel Socket 1851
UHD Graphics (32EU)
Integrated Graphics
Arc Xe-LPG
-
Generation
Ultra 7 (Arrow Lake)

Package

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

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
8
2.2 GHz
Performance Core Base Frequency
2.4 GHz
5.8 GHz
Performance Core Turbo Frequency
5.2 GHz
16
Efficiency Cores
12
16
Efficiency Core Threads
12
1.6 GHz
Efficiency Core Base Frequency
1.8 GHz
4.1 GHz
Efficiency Core Turbo Frequency
4.5 GHz
24
Total Core Count
20
32
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
22x
Multiplier
24
80 K per core
L1 Cache
112 KB per core
2 MB per core
L2 Cache
23 MB
36 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1

Memory Parameters

DDR5-5600, DDR4-3200
Memory Types
DDR5-6400
192 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
102.4 GB/s
Yes
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1650 MHz
GPU Max Dynamic Frequency
1900 MHz
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
64
45 W
Power Consumption
-
0.74 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core i9 14900HX
Official Website
5.0
PCIe Version
5
20
PCIe Lanes

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