Intel Core Ultra 7 251HX vs Intel Core Ultra X7 358H
CPU Specs Compare
General Parameters
Release Date
Apr 2026
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Panther Lake
Processor Number
251HX
358H
Integrated Graphics
Arc Graphics (4-Cores)
Arc B390
Generation
-
Ultra X7 (Panther Lake-H)
Package
Manufacturing Process
3 nm
2 nm
Socket
FCBGA-2114
FCBGA2540
Power Consumption
45-55 W
15-25 W
Max Turbo Power Consumption
160 W
80 W
Peak Operating Temperature
105 °C
100 °C
Foundry
-
Intel
Package
-
FC-BGA
CPU Performance
Performance Cores
6
4
Performance Core Threads
6
4
Performance Core Base Frequency
2.9 GHz
1.9 GHz
Performance Core Turbo Frequency
5.1 GHz
4.8 GHz
Efficiency Cores
12
12
Efficiency Core Threads
12
12
Efficiency Core Base Frequency
2.5 GHz
1.5 GHz
Efficiency Core Turbo Frequency
4.5 GHz
3.7 GHz
Total Core Count
18
16
Total Thread Count
18
16
Bus Frequency
100 MHz
100 MHz
Multiplier
29
19
L1 Cache
192 K per core
192 K per core
L2 Cache
2 MB per core
2560 K per core
L3 Cache
30 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
SMP
-
1
Memory Parameters
Memory Types
DDR5-6400
LPDDR5X-9600
Max Memory Size
256 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
153.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1800 MHz
2500 MHz
Shader Units
512
1536
Texture Units
32
48
Raster Operation Units
16
24
Execution Units
64
12
Power Consumption
14
-
AI Accelerator
Theoretical performance
-
50
📊 Benchmark
Geekbench 6
2,940
2,914
Geekbench 6
15,262
16,889
Cinebench 2024
130
124
Cinebench 2024
1,761
1,125
Cinebench R23
-
2,122
Cinebench R23
-
21,056
Passmark CPU
-
4,107
Passmark CPU
-
33,972