Intel Core Ultra 5 250KF Plus / 4.2 GHz

Product Collection Intel® Core™ Ultra Processors (Series 2)
Code Name Products formerly Arrow Lake
Vertical Segment Desktop
Processor Number  250KF PLUS
Overall Peak TOPS (Int8)  22
CPU Specifications
Total Cores  18
# of Performance-cores 6
# of Efficient-cores 12
# of Low Power Efficient-cores 0
Total Threads  18
Max Turbo Frequency  5.3 GHz
Performance-core Max Turbo Frequency  5.3 GHz
Efficient-core Max Turbo Frequency  4.6 GHz
Performance-core Base Frequency  4.2 GHz
Efficient-core Base Frequency  3.3 GHz
Cache  30 MB Intel® Smart Cache
Total L2 Cache 30 MB
Processor Base Power  125 W
Maximum Turbo Power  159 W
Intel® Deep Learning Boost (Intel® DL Boost) on CPU  Yes
AI Software Frameworks Supported by CPU OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN
CPU Lithography  TSMC N3B
Supplemental Information
Marketing Status Launched
Launch Date  Q1'26
Embedded Options Available  No
Use Conditions  PC/Client/Tablet
Memory Specifications
Max Memory Size (dependent on memory type)  256 GB
Memory Types  Up To DDR5 7200 MT/s
Max # of Memory Channels  2
ECC Memory Supported ‡  No
GPU Specifications
Graphics Output  n/a
Xe-cores 0
Intel® Quick Sync Video  No
# of Displays Supported ‡ 0
NPU Specifications
NPU Name‡ Intel® AI Boost
NPU Peak TOPS (Int8)  13
Sparsity Support Yes
Windows Studio Effects Support Yes
AI Software Frameworks Supported by NPU OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN
Expansion Options
Direct Media Interface (DMI) Revision 4
Max # of DMI Lanes 8
Intel® Thunderbolt™ 4  No
Scalability 1S Only
PCI Express Revision  5.0 and 4.0
PCI Express Configurations ‡  Up to 1x16+2x4, 2x8+2x4, 1x8+4x4
Max # of PCI Express Lanes  24
Package Specifications
Sockets Supported  FCLGA1851
Thermal Solution Specification  PCG 2020A
Max Operating Temperature  105 °C
Package Size 45 mm x 37.5 mm
Advanced Technologies
Intel® Gaussian & Neural Accelerator 3.5
Intel® Thread Director  Yes
Intel® Speed Shift Technology  Yes
Intel® Turbo Boost Technology ‡  2.0
Intel® Hyper-Threading Technology ‡  No
Intel® 64 ‡  Yes
Instruction Set  64-bit
Instruction Set Extensions  Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Idle States  Yes
Enhanced Intel SpeedStep® Technology  Yes
Thermal Monitoring Technologies  Yes
Intel® Volume Management Device (VMD)  Yes
Security & Reliability
Intel® Threat Detection Technology (TDT) Yes
Intel® Active Management Technology (AMT) ‡  No
Intel® Standard Manageability (ISM) ‡ Yes
Intel® Remote Platform Erase (RPE) ‡ No
Intel® One-Click Recovery ‡ No
Intel® Secure Key  Yes
Intel® Control-Flow Enforcement Technology  Yes
Intel® Total Memory Encryption - Multi Key No
Intel® AES New Instructions  Yes
Intel® Trusted Execution Technology ‡  Yes
Execute Disable Bit ‡ Yes
Intel® OS Guard Yes
Intel® Boot Guard  Yes
Mode-based Execute Control (MBEC)  Yes
Intel® Stable IT Platform Program (SIPP)  No
Intel® Virtualization Technology with Redirect Protection (VT-rp) ‡ No
Intel® Virtualization Technology (VT-x) ‡  Yes
Intel® Virtualization Technology for Directed I/O (VT-d) ‡  Yes
Intel® VT-x with Extended Page Tables (EPT) ‡  Yes