Intel Core Ultra 5 245HX vs Intel Core Ultra 7 255H
We compared two laptop CPUs: Intel Core Ultra 5 245HX with 14 cores 3.1GHz and Intel Core Ultra 7 255H with 16 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 5 245HX 's Advantages
Higher base frequency (3.1GHz vs 2.0GHz)
Intel Core Ultra 7 255H 's Advantages
Higher specification of memory (8400 vs 6400)
Lower TDP (28W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 5 245HX
1997
Intel Core Ultra 7 255H
+1%
2029
Cinebench R23 Multi Core
Intel Core Ultra 5 245HX
+2%
20937
Intel Core Ultra 7 255H
20521
Geekbench 6 Single Core
Intel Core Ultra 5 245HX
+6%
3014
Intel Core Ultra 7 255H
2823
Geekbench 6 Multi Core
Intel Core Ultra 5 245HX
13155
Intel Core Ultra 7 255H
+19%
15662
Cinebench 2024 Single Core
Intel Core Ultra 5 245HX
+13%
131
Intel Core Ultra 7 255H
115
Cinebench 2024 Multi Core
Intel Core Ultra 5 245HX
+22%
1349
Intel Core Ultra 7 255H
1102
General Parameters
Jan 2025
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Arrow Lake
245HX
Processor Number
255H
FCBGA-2114
Socket
FCBGA-2049
Graphics
Integrated Graphics
Arc Graphics 140T
Ultra 5 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
3 nm
45-55 W
Power Consumption
20-28 W
160 W
Max Turbo Power Consumption
115 W
105 °C
Peak Operating Temperature
110 °C
Intel
Foundry
-
CPU Performance
6
Performance Cores
6
6
Performance Core Threads
6
3.1 GHz
Performance Core Base Frequency
2.0 GHz
5.1 GHz
Performance Core Turbo Frequency
5.1 GHz
8
Efficiency Cores
10
8
Efficiency Core Threads
10
2.6 GHz
Efficiency Core Base Frequency
1.5 GHz
4.5 GHz
Efficiency Core Turbo Frequency
4.4 GHz
14
Total Core Count
16
14
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
31
Multiplier
20
112 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
24 MB shared
L3 Cache
24 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
192 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
-
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
1900 MHz
GPU Max Dynamic Frequency
2250 MHz
48
Execution Units
-
Miscellaneous
5.0
PCIe Version
5.0
24
PCIe Lanes
28
