Intel Core Ultra 7 255HX
Intel Core Ultra 7 255HX
Technical Highlights
About this CPU
High-performance Arrow Lake HX laptop CPU with 20 cores, Intel Arc integrated graphics, and support for demanding gaming and creator workloads.
Overall Score Of Intel Core Ultra 7 255HX
This summarizes how Intel Core Ultra 7 255HX scores across single-core performance, multi-core performance, CPU architecture, memory architecture, and energy efficiency.
General Information of Intel Core Ultra 7 255HX
CPU Name
Intel Core Ultra 7 255HX
Vendor
Intel
Release Date
January 6, 2025
Type
Laptop
Instruction Set
x86-64
Codename
Arrow Lake
Package and Thermals of Intel Core Ultra 7 255HX
Manufacturing Process
Good3 nm
Max Temp (TJMax)
Top tier105 C
TDP (PL1)
55 W
Max. Boost TDP (PL2)
160 W
Socket
FCBGA-2114
CPU Cores of Intel Core Ultra 7 255HX
Performance Cores
P-Cores
8
P-Threads
8
P-Core Base Frequency
2400 MHz
P-Core Turbo Frequency
Excellent5200 MHz
Efficient Cores
E-Cores
Excellent12
E-Threads
Excellent12
E-Core Base Frequency
1800 MHz
E-Core Turbo Frequency
Top tier4500 MHz
Total
Total Cores
Excellent20
Total Threads
Excellent20
Multiplier
Unlocked
Bus Frequency
Top tier100 MHz
Unlocked Multiplier
Yes
L1 Cache
Top tier192 KB
L2 Cache
2 MB
L3 Cache
30 MB
NPU
No
Memory Support of Intel Core Ultra 7 255HX
Memory Types
Top tierDDR5-6400
Max Memory Size
Excellent256 GB
Memory Channels
2
ECC Support
Yes
Technologies
ABM, ADX, AI Boost 3.0, AVX-VNNI, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, IPU 6.0, SHA, CFET, EIST, Speed Shift, TBMT 3.0, TBT 2.0, Thread Director, VT-d, VT-x, VT-x EPT, MBEC, RDRAND, TDT, TXT, XD bit, vPro
Benchmarks of Intel Core Ultra 7 255HX
Geekbench V6
Benchmark results for this category.
PassMark CPU
Benchmark results for this category.
Cinebench 2024
Benchmark results for this category.
Blender
Benchmark results for this category.
Performance Charts Of Intel Core Ultra 7 255HX
These charts show how Intel Core Ultra 7 255HX 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 255HX
The Intel Core Ultra 7 255HX was officially released in January 6, 2025, targeting the Laptop market.
The Intel Core Ultra 7 255HX is equipped with 20 cores and 20 threads, making it a powerhouse for heavily threaded professional workloads like video editing and 3D rendering.
The Intel Core Ultra 7 255HX uses the FCBGA-2114 socket. This is a critical specification for compatibility, as it dictates which motherboards can support this processor.
The Intel Core Ultra 7 255HX operates at a base clock frequency of 2400 MHz for its performance cores (and 1800 MHz for E-cores). This is the speed the processor runs at under normal, non-intensive workloads.
The Intel Core Ultra 7 255HX can reach a maximum turbo boost frequency of 5200 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 255HX 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 255HX achieves a multi-core score of 1,820 on Cinebench 2024, reflecting its capability in multi-threaded creative and rendering applications.
The Intel Core Ultra 7 255HX scores 2,989 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 80%, the Intel Core Ultra 7 255HX is considered a high-performance processor in our comprehensive CPU database.
The Intel Core Ultra 7 255HX 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 255HX has a base power consumption (TDP) of 55 W. This value is important for choosing an adequate CPU cooler and determining your overall system power requirements.
The Intel Core Ultra 7 255HX supports DDR5-6400 memory, dictating the RAM speeds and capacities you can pair with this processor.
The Intel Core Ultra 7 255HX includes an integrated GPU, meaning you don't strictly need a dedicated graphics card for basic display output.