Intel Core Ultra 7 255HX vs Intel Core i5 14450HX
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core i5 14450HX with 10 cores 2.4GHz . 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 1 years late
Better graphics card performance
Higher specification of memory (6400 vs 5600)
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (3nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+12%
2030
Intel Core i5 14450HX
1802
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+56%
25611
Intel Core i5 14450HX
16374
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+22%
3102
Intel Core i5 14450HX
2522
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+34%
15879
Intel Core i5 14450HX
11849
General Parameters
Jan 2025
Release Date
Jan 2024
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Raptor Lake Refresh
255HX
Processor Number
i5-14450HX
FCBGA-2114
Socket
BGA-1964
Arc Graphics (4-Cores)
Integrated Graphics
UHD Graphics (16EU)
Ultra 7 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
10 nm
45-55 W
Power Consumption
45-55 W
160 W
Max Turbo Power Consumption
157 W
105 °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
2.4 GHz
5.2 GHz
Performance Core Turbo Frequency
4.8 GHz
12
Efficiency Cores
4
12
Efficiency Core Threads
4
1.8 GHz
Efficiency Core Base Frequency
1.8 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.5 GHz
20
Total Core Count
10
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
24
Multiplier
24
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
2 MB per core
30 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
DDR5-5600,DDR4-3200
192 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1850 MHz
GPU Max Dynamic Frequency
1500 MHz
512
Shader Units
128
32
Texture Units
8
16
Raster Operation Units
4
64
Execution Units
16
14
Power Consumption
6-15
1.9 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
5.0
PCIe Version
5.0
24
PCIe Lanes
20
