Intel Core Ultra 7 251HX — Specifications

Specifications Benchmarks Synonyms

Specifications

Technical data

Specifications checked against the linked manufacturer source on 2026-09-30.

Official specifications

CPU generation and family

Family
Intel Core Ultra Series 2
Name
Intel Core Ultra 7 251HX
Segment
Mobile

CPU Cores and Base Frequency

CPU Cores
18
CPU Threads
18
E-core Base Clock
2.5 GHz
Efficient Cores
12
Low Power Efficient-cores
0
Max. Boost Clock
5.1 GHz
P-core Base Clock
2.9 GHz
Performance Cores
6

Internal Graphics

GPU Turbo
1800 MHz

Memory & PCIe

Max. Memory
256 GB
Memory channels
2
Memory type
Up to DDR5 6400 MT/s

Thermal Management

Maximum Turbo Power
160 W
TDP (PL1 / PBP, legacy combined label)
55 W

Technical details

L3-Cache
30 MB
Official source
https://www.intel.com/content/www/us/en/products/sku/245959/intel-core-ultra-7-processor-251hx-30m-cache-up-to-5-10-ghz/specifications.html
Release quarter
Q1/2026
Socket
FCBGA2114
Verified on
2026-09-30

Positions in all rankings

Common positions Intel Core Ultra 7 251HX CPU in popular benchmarks, for comparison with other models.

No data

Benchmarks

Performance tests CPU

No benchmark results are available yet. This model is listed with specifications only.

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Comparable benchmark results are required to suggest performance alternatives.

PL1 is the sustained processor power limit; PL2 is the short-term turbo power limit. They are not measured performance or efficiency.

The values are used to select the optimal cooling system and power supply.

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Intel Core Ultra 7 251HX