Intel Core Ultra 7 251HX
Intel Core Ultra 7 251HX
Technical Highlights
About this CPU
Arrow Lake-HX laptop CPU with 18 cores and 18 threads, Intel Graphics, and a 13 TOPS Intel AI Boost NPU for high-end gaming and workstation laptops.
Overall Score Of Intel Core Ultra 7 251HX
This summarizes how Intel Core Ultra 7 251HX scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.
General Information of Intel Core Ultra 7 251HX
CPU Name
Intel Core Ultra 7 251HX
Vendor
Intel
Release Date
April 1, 2026
Generation
Core Ultra Series 2
Type
Laptop
Instruction Set
x86-64
Codename
Arrow Lake
Foundry
TSMC
Package and Thermals of Intel Core Ultra 7 251HX
Manufacturing Process
Good3 nm
Max Temp (TJMax)
Top tier105 C
TDP (PL1)
45-55 W
Max. Boost TDP (PL2)
160 W
Socket
FCBGA2114
CPU Cores of Intel Core Ultra 7 251HX
Performance Cores
P-Cores
6
P-Threads
6
P-Core Base Frequency
Good2900 MHz
P-Core Turbo Frequency
Excellent5100 MHz
Efficient Cores
E-Cores
Excellent12
E-Threads
Excellent12
E-Core Base Frequency
2500 MHz
E-Core Turbo Frequency
Top tier4500 MHz
Total
Total Cores
Good18
Total Threads
Good18
Multiplier
Unlocked
Bus Frequency
Top tier100 MHz
Unlocked Multiplier
Yes
L1 Cache
Top tier192 KB
L2 Cache
2 MB
L3 Cache
30 MB
NPU
Yes
NPU TOPS
13 TOPS
Memory Support of Intel Core Ultra 7 251HX
Memory Types
Top tierDDR5-6400
Max Memory Size
Excellent256 GB
Memory Channels
2
Max Memory Bandwidth
102.4 GB/s
ECC Support
No
Technologies
Intel AI Boost, Intel DL Boost, Thread Director, Speed Shift, TBT 2.0, VT-d, VT-x, VT-x EPT, AES-NI, AVX2, RDRAND, TXT, XD bit
Benchmarks of Intel Core Ultra 7 251HX
Geekbench V6
Benchmark results for this category.
PassMark CPU
Benchmark results for this category.
Cinebench 2024
Benchmark results for this category.
Performance Charts Of Intel Core Ultra 7 251HX
These charts show how Intel Core Ultra 7 251HX balances CPU benchmark performance and relative score versus current market leaders.
Performance Radar Chart
Performance Benchmarks
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Frequently Asked Questions about Intel Core Ultra 7 251HX
The Intel Core Ultra 7 251HX was officially released in April 1, 2026, targeting the Laptop market.
The Intel Core Ultra 7 251HX is equipped with 18 cores and 18 threads, making it a powerhouse for heavily threaded professional workloads like video editing and 3D rendering.
The Intel Core Ultra 7 251HX uses the FCBGA2114 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.
The Intel Core Ultra 7 251HX operates at a base clock frequency of 2900 MHz for its performance cores (and 2500 MHz for E-cores). This is the speed the processor runs at under normal, non-intensive workloads.
The Intel Core Ultra 7 251HX can reach a maximum turbo boost frequency of 5100 MHz on its performance cores (and 4500 MHz for E-cores). This allows the CPU to dynamically increase its speed to handle demanding tasks and gaming workloads.
The Intel Core Ultra 7 251HX has a maximum junction temperature (TjMax) of 105 C. This is the maximum temperature possible before the processor initiates thermal throttling or shuts down to prevent permanent damage.
The Intel Core Ultra 7 251HX achieves a multi-core score of 1,762 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.
The Intel Core Ultra 7 251HX scores 2,940 on the Geekbench v6 single-core test, indicating how snappy and responsive it will feel in everyday applications and most games.
With an overall performance rating of 77%, the Intel Core Ultra 7 251HX is considered a high-performance processor in our comprehensive CPU database.
The Intel Core Ultra 7 251HX features 30 MB of L3 cache. A larger cache helps the processor access frequently used data faster, which can significantly boost gaming performance.
The Intel Core Ultra 7 251HX has a base power consumption (TDP) of 45-55 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.
The Intel Core Ultra 7 251HX supports DDR5-6400 memory, dictating the RAM speeds and capacities you can pair with this processor.
The Intel Core Ultra 7 251HX includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.
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