Intel Core Ultra 7 251HX vs Intel Core Ultra 5 245HX
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Arrow Lake
Processor Number
251HX
245HX
Integrated Graphics
Arc Graphics (4-Cores)
Graphics
Generation
-
Ultra 5 (Arrow Lake)
Package
Manufacturing Process
3 nm
3 nm
Socket
FCBGA-2114
FCBGA-2114
Power Consumption
45-55 W
45-55 W
Max Turbo Power Consumption
160 W
160 W
Peak Operating Temperature
105 °C
105 °C
Foundry
-
Intel
Package
-
FC-LGA18V
CPU Performance
Performance Cores
6
6
Performance Core Threads
6
6
Performance Core Base Frequency
2.9 GHz
3.1 GHz
Performance Core Turbo Frequency
5.1 GHz
5.1 GHz
Efficiency Cores
12
8
Efficiency Core Threads
12
8
Efficiency Core Base Frequency
2.5 GHz
2.6 GHz
Efficiency Core Turbo Frequency
4.5 GHz
4.5 GHz
Total Core Count
18
14
Total Thread Count
18
14
Bus Frequency
100 MHz
100 MHz
Multiplier
29
31
L1 Cache
192 K per core
112 K per core
L2 Cache
2 MB per core
2 MB per core
L3 Cache
30 MB shared
24 MB shared
Unlocked Multiplier
Yes
Yes
SMP
-
1
Memory Parameters
Memory Types
DDR5-6400
DDR5-6400
Max Memory Size
256 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
102.4 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1800 MHz
1900 MHz
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
48
Power Consumption
14
-
📊 Benchmark
Geekbench 6
2,940
3,014
Geekbench 6
15,262
13,155
Cinebench 2024
130
-
Cinebench 2024
1,761
-
Cinebench R23
-
1,997
Cinebench R23
-
20,937