Cores Cores
18 Cores
18 Cores
Multitasking and productivity baseline
GeeCoolGuest
GeeCool Intel Processor
Intel® Core™ Ultra 7 processor 251HX
Intel® Core™ Ultra 7 processor 251HX, up to 5.10 GHz, 18 cores, 30.00 MB cache
Max Boost Clock Boost Clock
5.1 GHz
5.10 GHz
Single-core burst performance reference
L3 Cache L3 / Cache
30 MB
30.00 MB
Cache size and access efficiency reference
Specifications
Specifications
Key Specs
42 items# of Displays Supported 4
# of Efficient-cores 12
# of Low Power Efficient-cores 0
# of Performance-cores 6
Cache 30.00 MB
Code Name Arrow Lake
ECC Memory Supported No
Efficient-core Max Turbo Frequency 4.50 GHz
Execution Units 3
Graphics Base Frequency 300.00 MHz
Graphics Max Dynamic Frequency 1800.00 MHz
Instruction Set 64-bit
Instruction Set Extensions Intel® SSE4.1,Intel® SSE4.2,Intel® AVX2
Intel® Deep Learning Boost (Intel® DL Boost) on CPU Yes
Intel® Gaussian & Neural Accelerator 3.5
Intel® Hyper-Threading Technology No
Intel® Thread Director Yes
Intel® Turbo Boost Max Technology 3.0 No
Intel® Virtualization Technology (VT-x) Yes
Intel® Virtualization Technology for Directed I/O (VT-d) Yes
Launch Date Q1'26
Marketing Status Launched
Max # of Memory Channels 2
Max # of PCI Express Lanes 24
Max Memory Size 256.00 GB
Max Resolution (DP) 7680 x 4320 @ 60Hz
Max Resolution (eDP - Integrated Flat Panel) 3840 x 2400 @ 120Hz
Max Resolution (HDMI) 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL)
Max Turbo Frequency 5.10 GHz
Memory Types Up to DDR5 6400 MT/s
NPU Peak TOPS (Int8) 13
Overall Peak TOPS (Int8) 30.00
Performance-core Base Frequency 2.90 GHz
Performance-core Max Turbo Frequency 5.10 GHz
Performance-core Max Turbo Frequency 5.10 GHz
Processor Number 251HX
Product Collection Intel® Core™ Ultra Processors (Series 2)
Sockets Supported FCBGA2114
TJUNCTION 105.00 ℃
Total Cores 18 Cores
Total Threads 18
Vertical Segment Mobile
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FAQ
FAQ
How many cores and threads does Core Ultra 7 251HX have, and is it suitable for gaming and video editing in a laptop? Is a laptop with Core Ultra 7 251HX good enough for gaming, and does the CPU or GPU matter more? How much can Core Ultra 7 251HX's performance change between power modes, and when should performance mode be used? How long can a laptop with Core Ultra 7 251HX last for office work and gaming away from the charger? On a travel laptop, what stalls AI first on the 18-thread 251HX?