Intel Core Ultra 5-250K Plus 4.2 GHz Socket 1851 Processor

Intel Core Ultra 5 250K Plus Processor

Specs

General information

Processor family: Intel Core Ultra 2 Series

Code name: Arrow Lake

Segment: Desktop

Product status: Launched

Release date: First quarter of 2026

Terms of use: PC, client, tablet, workstation

CPU

Total nuclei: 18

High-performance cores: 6

Efficient cores: 12

Low-power cores: 0

Total threads: 18

Maximum turbo frequency: 5.3 GHz

Maximum performance core turbo frequency: 5.3 GHz

Maximum efficient core 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

Base processor power: 125 W

Maximum turbo power: 159 W

CPU lithography: TSMC N3B

Memory

Maximum supported memory: 256 GB

Memory type: DDR5 up to 7200 MT/s

Number of memory channels: 2

ECC memory compatibility: Yes

Integrated graphics

Integrated graphics: Intel Graphics

Base graphics frequency: 300 MHz

Maximum dynamic graphics frequency: 1.9 GHz

Xe nuclei: 4

GPU Peak TOPS (Int8): 8

DirectX Compatibility: 12

OpenGL compatibility: 4.5

OpenCL Compatibility: 3

Maximum HDMI resolution: 7680 x 4320 at 60 Hz

Maximum DisplayPort resolution: 7680 x 4320 at 60 Hz

Maximum eDP resolution: 3840 x 2400 at 120 Hz

Maximum number of screens: 4

Supported graphics output: eDP 1.4b, DisplayPort 2.1 UHBR20, HDMI 2.1 FRL

Multimedia acceleration: Hardware encoding and decoding of H.264, HEVC and AV1

Multimedia Engine: Intel Quick Sync Video

AI Processing Unit

NPU: Intel AI Boost

NPU Peak TOPS (Int8): 13

Windows Studio Effects Compatibility: Yes

Compatibility with scarcity: Yes

AI Acceleration

CPU Peak TOPS (Int8): 30

Intel Deep Learning Boost on CPU: Yes

Intel Deep Learning Boost on GPU: Yes

Supported AI frameworks: OpenVINO, WindowsML, DirectML, ONNX Runtime, WebNN, WebGPU

Expansion

PCI Express revision: 5.0 and 4.0

Maximum number of PCI Express lanes: 24

PCIe configurations: 1x16+2x4, 2x8+2x4, 1x8+4x4

DMI Interface: Revision 4

Maximum DMI lanes: 8

Thunderbolt compatibility: Thunderbolt 4

Scalability: 1S

Encapsulation

Compatible socket: FCLGA1851

Package size: 45 x 37.5 mm

Maximum operating temperature: 105 °C

Thermal solution specification: PCG 2020A

Technologies

Intel Neural and Gaussian Accelerator: 3.5

Intel Thread Director: Yes

Intel Speed Shift: Yes

Intel Turbo Boost: 2.0

Intel Hyper-Threading: No

64-bit architecture: Yes

Instruction extensions: Intel SSE4.1, Intel SSE4.2, Intel AVX2

Inactivity states: Yes

Enhanced Intel SpeedStep: Yes

Thermal monitoring technologies: Yes

Intel Volume Management Device: Yes

Security and virtualization

Intel vPro Compatibility: Intel vPro Enterprise

Intel Threat Detection Technology: Yes

Intel Active Management Technology: Yes

Intel Standard Manageability: Yes

Intel Remote Platform Erase: Yes

Intel One Click Recovery: Yes

Intel Secure Key: Yes

Intel Control Flow Enforcement: Yes

Intel AES New Instructions: Yes

Intel Trusted Execution Technology: Yes

Execute Disable Bit: Yes

Intel OS Guard: Yes

Intel Boot Guard: Yes

Mode Based Execution Control: Yes

Intel Stable IT Platform Program: Yes

Intel Virtualization Technology VT-x: Yes

Intel Virtualization Technology for Directed I/O VT-d: Yes

Intel VT-x with Extended Page Tables: Yes

Intel Virtualization Technology with VT-rp redirection protection: Yes