Intel Core i5-9400 Coffee Lake 4.1 GHz LGA 1151 Processor

Boasting six cores and six threads, the Core i5-9400 processor from Intel has a 2.9 GHz base clock speed and a 4.1 GHz maximum boost speed. Compatible with LGA 1151 motherboard sockets, this 9th-generation Core i5 CPU has a 9MB Intel Smart Cache and supports DDR4-2666 memory as well as Intel Optane Memory. The processor also features an integrated Intel UHD Graphics 630 core.

Key Features

• 6 Cores & 6 Threads
• 2.9 GHz Clock Speed
• 4.1 GHz Maximum Turbo Frequency
• LGA 1151 Socket

Specifications

Essentials

• Product Collection: 9th Generation Intel Core i5 Processors
• Code Name: Products formerly Coffee Lake
• Vertical Segment: Desktop
• Processor Number: i5-9400
• Status: Launched
• Launch Date: Q1'19
• Lithography: 14 nm
• Use Conditions: PC/Client/Tablet

Performance

• # of Cores: 6
• # of Threads: 6
• Processor Base Frequency: 2.90 GHz
• Max Turbo Frequency: 4.10 GHz
• Cache: 9 MB SmartCache
• Bus Speed: 8 GT/s DMI3
• TDP: 65 W

Memory Specifications

• Max Memory Size (dependent on memory type): 128 GB
• Memory Types: DDR4-2666
• Max # of Memory Channels: 2
• Max Memory Bandwidth: 41.6 GB/s
• ECC Memory Supported ‡: No

Processor Graphics

• Processor Graphics ‡: Intel UHD Graphics 630
• Graphics Base Frequency: 350 MHz
• Graphics Max Dynamic Frequency: 1.05 GHz
• Graphics Video Max Memory: 64 GB
• 4K Support: Yes, at 60Hz
• Max Resolution (HDMI 1.4)‡: 4096x2304-24Hz
• Max Resolution (DP)‡: 4096x2304-60Hz
• Max Resolution (eDP - Integrated Flat Panel)‡: 4096x2304-60Hz
• DirectX Support: 12
• OpenGL Support: 4.5
• Intel Quick Sync Video: Yes
• Intel InTru 3D Technology: Yes
• Intel Clear Video HD Technology: Yes
• Intel Clear Video Technology: Yes
• # of Displays Supported ‡: 3
• Device ID: 0X3E98/x92

Expansion Options

• Scalability: 1S Only
• PCI Express Revision: 3.0
• PCI Express Configurations ‡: Up to 1x16, 2x8, 1x8+2x4
• Max # of PCI Express Lanes: 16

Package Specifications

• Sockets Supported: FCLGA1151
• Max CPU Configuration: 1
• Thermal Solution Specification: PCG 2015C (65W)
• Package Size: 37.5mm x 37.5mm

Advanced Technologies

• Intel Optane Memory Supported ‡: Yes
• Intel Turbo Boost Technology ‡: 2.0
• Intel vPro Platform Eligibility ‡: No
• Intel Hyper-Threading Technology ‡: 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
• Intel TSX-NI: 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 Identity Protection Technology ‡: Yes
• Intel Stable Image Platform Program (SIPP): No

Security & Reliability

• Intel AES New Instructions: Yes
• Secure Key: Yes
• Intel Software Guard Extensions (Intel SGX): Yes with Intel ME
• Intel Memory Protection Extensions (Intel MPX): Yes
• Intel OS Guard: Yes
• Intel Trusted Execution Technology ‡: No
• Execute Disable Bit ‡: Yes
• Intel Boot Guard: Yes