Intel Core Ultra 7 265K 20-Core Arrow Lake Desktop Processor – LGA1851, 5.5GHz, AI NPU, DDR5, PCIe 5.0

The Intel Core Ultra 7 265K represents a major leap forward in desktop performance, efficiency, and AI capability. Built on Intel’s latest Arrow Lake architecture, this Series 2 processor combines powerful Performance-cores with highly efficient Efficient-cores and a new dedicated AI NPU, delivering exceptional responsiveness for gaming, streaming, content creation, and next-generation workloads.

With 20 cores, 20 threads, boost speeds of up to 5.5GHz, advanced DDR5 memory support, PCIe 5.0 connectivity, and integrated Intel Arc Xe2 graphics, the 265K is engineered for users who demand cutting-edge performance today and long-term platform readiness.

Key Features

✅ 20 cores (8 Performance-cores + 12 Efficient-cores) / 20 threads
✅ Up to 5.5GHz Max Turbo Frequency
✅ Intel Arrow Lake architecture (Core Ultra Series 2)
✅ Dedicated AI NPU delivering up to 36 TOPS
✅ Integrated Intel Arc Xe2 Graphics (64 EU)
✅ Supports DDR5 memory up to 6400 MT/s
✅ PCIe 5.0 platform support
✅ Native support for Thunderbolt 4 and USB 4.0
✅ LGA 1851 socket
✅ Unlocked multiplier for overclocking
✅ No cooler included

New Standard of Speed

Experience legendary Intel gaming performance with newly developed cores designed to deliver ultra-smooth, responsive gameplay. Ongoing support for Intel Application Optimisation ensures improved performance in popular and classic game titles, maximising frame rates and system stability.

Hybrid Core Architecture

8 Performance-Cores
Optimised for high-frequency workloads such as gaming, real-time rendering, and intensive applications.

12 Efficient-Cores
Designed to handle background tasks, streaming, multitasking, and productivity workloads with minimal power draw.

This hybrid design ensures peak performance when needed and outstanding efficiency during everyday use.

Built for AI Workloads

The integrated Neural Processing Unit (NPU) delivers up to 36 TOPS of AI performance, enabling:

• Background removal and image enhancement
• Audio noise suppression and voice isolation
• Auto-framing and video optimisation
• AI-assisted productivity tools
• Improved streaming performance

By offloading AI tasks to the NPU, CPU and GPU resources remain free for gaming and demanding applications.

Power Efficiency Redefined

Intel Core Ultra processors are designed to improve both performance and efficiency:

• Lower idle power consumption
• Improved thermal behaviour under load
• Quieter system operation
• Higher sustained boost performance

Do more with less power, without sacrificing speed.

Connectivity & Platform Support

• DDR5 memory up to 6400 MT/s
• Dual-channel memory architecture
• PCIe 5.0 expansion support
• Thunderbolt 4 and USB 4.0 native support
• WiFi 7 / WiFi 6E support (platform dependent)

Technical Specifications

CPU Architecture

Model: Intel Core Ultra 7 265K
Series: Core Ultra Series 2 (Arrow Lake)
Socket: LGA 1851

Cores & Threads

Total Cores: 20
Performance-cores: 8
Efficient-cores: 12
Total Threads: 20

Frequencies

Max Turbo Frequency: 5.5GHz
Intel Turbo Boost Max 3.0: 5.5GHz
P-core Max Turbo: 5.4GHz
E-core Max Turbo: 4.6GHz
P-core Base: 3.9GHz
E-core Base: 3.3GHz

Cache

Intel Smart Cache: 30MB
Total L2 Cache: 36MB

Power

Processor Base Power: 125W
Maximum Turbo Power: 250W

Memory Support

Max Memory Size: 192GB
Memory Type: DDR5 up to 6400 MT/s
Memory Channels: 2
Max Bandwidth: 89.6GB/s
ECC Support: Yes

Integrated Graphics

Graphics: Intel Arc Graphics (Xe2)
Base Frequency: 300MHz
Max Dynamic Frequency: 2.0GHz

Outputs Supported:
• DisplayPort 2.1 (UHBR20)
• HDMI 2.1 (FRL 12GHz)
• eDP 1.4b

Max Resolution:
HDMI: Up to 8K @ 60Hz
DisplayPort: Up to 8K @ 60Hz
eDP: Up to 4K @ 60Hz

Graphics APIs:
DirectX 12
OpenGL 4.5
OpenCL 3.0

Cooler Information

Cooling solution: Not included
A high-performance aftermarket CPU cooler is required.

Ideal For

• High-refresh gaming PCs
• AI-accelerated workloads
• Content creation and video editing
• Streaming and broadcasting
• High-performance workstations
• Enthusiast and overclocking builds
• Future-proof DDR5 and PCIe 5.0 systems