Intel Core Ultra 7 265K 20 Cores 20 Threads Max Turbo 5.5 GHz LGA1851 Intel Graphics
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Intel® Core™ Ultra 7 265K | Arrow Lake-S 20-Core AI Desktop Processor
Featuring the groundbreaking Arrow Lake-S 3nm architecture on the LGA 1851 socket, the Intel® Core™ Ultra 7 265K delivers 20 cores (8 Lion Cove Performance-cores + 12 Skymont Efficient-cores) reaching up to 5.5 GHz Max Turbo. Engineered with dedicated on-die NPU AI acceleration, massive power efficiency gains, and native DDR5-6400 support, it excels in multi-threaded creation, encoding, and competitive gaming.
High-Efficiency Gaming with Dedicated NPU Background AI
The 8 high-IPC Lion Cove Performance cores maintain high fps in modern titles while offloading background chat filters, OBS streaming tasks, and Discord noise cancellation to the Skymont E-cores and dedicated AI Boost NPU.
20-Core Multi-Threaded Rendering & Dual AV1 Production
With 20 execution cores, DDR5-6400 memory bandwidth, and integrated Xe-LPG graphics with hardware Ray Tracing and dual AV1 encode/decode engines, the 265K accelerates 4K Premiere Pro timelines and Blender 3D rendering.
Silicon Architecture & Visual Engineering
Verified packaging, cache hierarchy, and microarchitecture breakdown
Arrow Lake Foveros 3D Disaggregated Packaging
Built using advanced Intel Foveros 3D packaging, Arrow Lake separates compute, graphics, SoC, and I/O tiles. Lion Cove P-cores deliver enhanced single-thread performance, while 12 Skymont E-cores deliver massive multi-core throughput at up to 40% lower power draw.
Socket LGA 1851 Pinout & High-Speed PCIe 5.0 I/O
Designed for the LGA 1851 platform, providing dedicated PCIe 5.0 x16 lanes for modern graphics cards alongside dedicated PCIe 5.0 x4 lanes for Gen5 NVMe SSDs with zero lane sharing or throttling.
Integrated Intel® AI Boost NPU (13 TOPS)
Features a dedicated Neural Processing Unit (NPU) delivering up to 13 TOPS of neural acceleration for on-device AI tasks, video editing effects, live transcription, and local LLM processing without taxing CPU cores.
Native DDR5-6400 & High-Speed CUDIMM Memory
Supports dual-channel DDR5 memory with native 6400 MT/s speeds out-of-the-box, full Intel XMP 3.0 compatibility, and support for high-frequency Clocked Unbuffered DIMMs (CUDIMM) surpassing 8000+ MT/s.
Multi-Core Productivity & Content Creation Performance
Normalized compute rendering, video encoding, and multi-threaded workload score (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 7 265K |
|---|---|
| CPU Architecture | Arrow Lake-S (Foveros 3D Tile Disaggregated Architecture) |
| Socket Compatibility | LGA 1851 |
| Total Cores / Threads | 20 Cores (8 P-Cores + 12 E-Cores) / 20 Threads |
| Performance-core Base / Boost | 3.9 GHz Base / Up to 5.4 GHz Boost (5.5 GHz Turbo Boost Max 3.0) |
| Efficient-core Base / Boost | 3.3 GHz Base / Up to 4.6 GHz Boost |
| Intel® Smart Cache (L3) | 30 MB |
| Total L2 Cache | 36 MB (3MB per P-core + 4MB per E-core cluster) |
| Process Technology | TSMC N3B (Compute Tile) + TSMC N6 (Base & SoC Tile) |
| Processor Base Power (PL1) | 125W |
| Maximum Turbo Power (PL2) | 250W |
| Neural Processing Unit (NPU) | Intel® AI Boost NPU (Up to 13 TOPS) |
| Memory Support | Dual-Channel DDR5 up to 6400 MT/s (Native), XMP 3.0 & CUDIMM Support |
| PCI Express Lanes | PCIe 5.0 (Up to 24 Total Lanes / 20 PCIe 5.0 + 4 PCIe 4.0) |
| Integrated Graphics | Intel® Graphics (4 Xe-cores @ 2.0 GHz) with Ray Tracing & AV1 |
| Overclocking | Yes — Unlocked Multiplier, Intel® Extreme Tuning Utility (XTU) |
| Thermal Solution | Not Included (High-Performance 280mm/360mm AIO Required) |
Hardware Q&A & AHW Store Policies
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