Cores Cores
20 Cores
20 Cores
Multitasking and productivity baseline
GeeCoolGuest
GeeCool Intel Processor
Intel® Core™ Ultra 7 Processor 255HX
Intel® Core™ Ultra 7 Processor 255HX, up to 5.20 GHz, 20 cores, 30.00 MB cache
Max Boost Clock Boost Clock
5.2 GHz
5.20 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 8
Cache 30.00 MB
Code Name Arrow Lake
ECC Memory Supported No
Efficient-core Max Turbo Frequency 4.50 GHz
Execution Units 4
Graphics Base Frequency 300.00 MHz
Graphics Max Dynamic Frequency 1850.00 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 Yes
Intel® Virtualization Technology (VT-x) Yes
Intel® Virtualization Technology for Directed I/O (VT-d) Yes
Launch Date Q1'25
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 5.20 GHz
Memory Types Up to DDR5 6400 MT/s
NPU Peak TOPS (Int8) 13
Overall Peak TOPS (Int8) 33.00
Performance-core Base Frequency 2.40 GHz
Performance-core Max Turbo Frequency 5.20 GHz
Performance-core Max Turbo Frequency 5.20 GHz
Processor Number 255HX
Product Collection Intel® Core™ Ultra Processors (Series 2)
Sockets Supported FCBGA2114
TJUNCTION 105.00 ℃
Total Cores 20 Cores
Total Threads 20
Vertical Segment Mobile
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FAQ
FAQ
Is a laptop with Core Ultra 7 255HX good enough for gaming, and does the CPU or GPU matter more? How many cores and threads does Core Ultra 7 255HX have, and is it suitable for gaming and video editing in a laptop? How much can Core Ultra 7 255HX's performance change between power modes, and when should performance mode be used? How long can a laptop with Core Ultra 7 255HX last for office work and gaming away from the charger? At 5.2GHz the 255HX sits a step under the 265HX, does AI feel the missing 0.1GHz?