Intel Core i5-8400 LGA 1151

Essentials
Download Specifications
Product Collection8th Generation Intel® Core™ i5 Processors
Code NameProducts formerly Coffee Lake
Vertical SegmentDesktop
Processor Number i5-8400
StatusDiscontinued
Launch Date Q4'17
Lithography 14 nm
CPU Specifications
Total Cores 6
Total Threads 6
Max Turbo Frequency 4.00 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡ 4.00 GHz
Processor Base Frequency 2.80 GHz
Cache 9 MB Intel® Smart Cache
Bus Speed 8 GT/s
TDP 65 W
Supplemental Information
Embedded Options Available No
DatasheetView now
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)‡ 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 ID0x3E92
Expansion Options
Scalability1S 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 Configuration1
Thermal Solution Specification PCG 2015C (65W)
TJUNCTION 100°C
Package Size37.5mm x 37.5mm
Advanced Technologies
Intel® Optane™ Memory Supported ‡ Yes
Intel® Turbo Boost Technology ‡ 2.0
Intel® Hyper-Threading Technology ‡ No
Intel® Transactional Synchronization Extensions 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
Security & Reliability
Intel vPro® Platform Eligibility ‡ No
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 GuardYes
Intel® Trusted Execution Technology ‡ No
Execute Disable Bit ‡ Yes
Intel® Boot Guard Yes
Intel® Stable IT Platform Program (SIPP) 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