Intel Core Ultra 7 251HX vs Intel Core Ultra 5 250K Plus
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Mar 2026
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Arrow Lake
Processor Number
251HX
250K+
Integrated Graphics
Arc Graphics (4-Cores)
Arc iGPU (4-Cores)
Package
Manufacturing Process
3 nm
3 nm
Socket
FCBGA-2114
FCLGA-1851
Power Consumption
45-55 W
125 W
Max Turbo Power Consumption
160 W
159 W
Peak Operating Temperature
105 °C
105 °C
Transistor Count
—
17.8 billions
CPU Performance
Performance Cores
6
6
Performance Core Threads
6
6
Performance Core Base Frequency
2.9 GHz
4.2 GHz
Performance Core Turbo Frequency
5.1 GHz
5.3 GHz
Efficiency Cores
12
12
Efficiency Core Threads
12
12
Efficiency Core Base Frequency
2.5 GHz
3.3 GHz
Efficiency Core Turbo Frequency
4.5 GHz
4.6 GHz
Total Core Count
18
18
Total Thread Count
18
18
Bus Frequency
100 MHz
100 MHz
Multiplier
29
42
L1 Cache
192 K per core
192 K per core
L2 Cache
2 MB per core
3 MB per core
L3 Cache
30 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-6400
DDR5-7200
Max Memory Size
256 GB
—
Max Memory Channels
2
—
Max Memory Bandwidth
102.4 GB/s
115.2 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1800 MHz
1900 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
16
Execution Units
64
64
Power Consumption
14
14
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
24
24
Benchmark
Geekbench 6
2,940
3,231
Geekbench 6
15,262
21,067
Cinebench 2024
130
141
Cinebench 2024
1,761
1,680
Cinebench R23
—
2,319
Cinebench R23
—
28,965
Cinebench 2026
—
7,413
Passmark CPU
—
4,904
Passmark CPU
—
52,031
▲ Specs Compare
Data sourced from official specifications and benchmark tests.