Intel Core Ultra 5 Processor 250K Plus 18 cores (6 P-cores + 12 E-cores) up to 5.3 GHz
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Intel® Core™ Ultra 5 250K Plus | Arrow Lake-S 18-Core AI Desktop Processor (Box)
Engineered on the cutting-edge Arrow Lake-S 3nm architecture for Socket LGA 1851, the Intel® Core™ Ultra 5 250K Plus delivers 18 hardware execution cores (6 high-IPC Lion Cove P-cores + 12 power-efficient Skymont E-cores) boosting up to 5.3 GHz Max Turbo. Designed for exceptional efficiency and cool operation with 125W Base / 159W MTP, it features integrated NPU AI acceleration, 56MB total high-speed cache, and native DDR5-6400 support for high-refresh competitive gaming and streamlined content creation.
Exceptional Energy Efficiency & Steady Frame Times
The 6 high-IPC Lion Cove P-cores deliver smooth, high-refresh gameplay in competitive shooters and cinematic AAA games at vastly reduced temperatures, while 12 Skymont E-cores effortlessly manage background recording and voice apps.
18-Core Multitasking & Integrated Xe-LPG Hardware AV1
With 18 hardware execution cores, native DDR5-6400 memory bandwidth, and integrated Xe-LPG graphics supporting dual hardware AV1 encode engines, the 250K Plus accelerates Premiere Pro timelines, OBS live streaming, and photo editing.
Silicon Architecture & Visual Engineering
Verified packaging, cache hierarchy, and microarchitecture breakdown
Arrow Lake-S 18-Core High-Efficiency Silicon
Combining 6 Lion Cove Performance cores and 12 Skymont Efficient cores fabricated on an advanced 3nm process node. Delivers outstanding single-thread responsiveness and rich multi-core performance while drawing significantly less power.
Modular Tile Disaggregation & Foveros 3D
Intel Foveros 3D packaging integrates compute, graphics, SoC, and I/O tiles seamlessly. Separating high-heat compute tiles from memory controllers allows cooler operation and sustained performance without thermal throttling.
Socket LGA 1851 Platform & Full Gen5 Support
Compatible with Intel Z890 and B860 motherboards, featuring dedicated PCIe 5.0 x16 lanes for modern graphics cards plus dedicated PCIe 5.0 x4 lanes for Gen5 NVMe SSDs without sharing bandwidth.
Integrated Intel AI Boost NPU & DDR5-6400 CUDIMM
Features an integrated Neural Processing Unit delivering 13 TOPS of dedicated AI compute for background video blur, noise removal, and local AI tasks. Native DDR5-6400 memory support enables ultra-fast memory speeds exceeding 8000+ MT/s.
Productivity & Multi-Tasking Performance Comparison
Multi-threaded rendering and compute index (Paired with DDR5-6400)
Hardware Synergy & System Pairing Guide
Recommended motherboard, cooling, RAM sweet spot, and power requirements
Technical Specifications Matrix
Verified hardware specifications directly from manufacturer datasheets
| Processor Model | Intel Core Ultra 5 250K Plus |
|---|---|
| Microarchitecture | Arrow Lake-S (TSMC 3nm Compute Tile) |
| Packaging Type | Retail Box (Brand New Factory Sealed) |
| Physical Socket | LGA 1851 |
| Total Cores | 18 Cores (6 Performance-cores + 12 Efficient-cores) |
| Total Execution Threads | 18 Threads (Optimized Non-HT Architecture) |
| Performance-Core Max Turbo | Up to 5.3 GHz (Intel Turbo Boost) |
| Efficient-Core Max Turbo | Up to 4.6 GHz |
| Intel Smart Cache (L3) | 26 MB |
| Total L2 Cache | 30 MB (Total 56 MB High-Speed Cache) |
| Processor Base Power (PBP) | 125 W |
| Maximum Turbo Power (MTP) | 159 W |
| Neural Processing Unit (NPU) | Intel® AI Boost (Up to 13 TOPS Peak Compute) |
| Integrated Graphics | Intel® Graphics (Xe-LPG Architecture, 4 Xe-cores, AV1 Encode/Decode) |
| Memory Support | Dual-Channel DDR5-6400 MT/s (Up to 192 GB, CUDIMM / XMP 3.0 Ready) |
| PCI Express Revision | PCIe 5.0 (20 Lanes) + PCIe 4.0 (4 Lanes) Total 24 Lanes |
| Thermal Solution Included | No (Quality 240mm AIO or Dual-Tower Air Cooler Recommended) |
| Warranty | AHW Store Official Local Warranty |
Hardware Q&A & AHW Store Policies
Technical configurations, cooler recommendations, warranty, installments, and shipping
