Intel Core i5-8400 Review & Specs

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Intel 8th Gen Core i5-8400 6 Cores BX80684I58400

Intel 8th Gen Core i5-8400 6 Cores BX80684I58400

- Intel

★ ★ ★ ★ ★
(50 reviews)

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  • Compatible only with Motherboards based on Intel 300 Series Chipsets
  • 6 Cores/6 Threads
  • 2.80 GHz up to 4.00 GHz Max Turbo Frequency/9 MB Cache
  • Intel Optane Memory Supported
  • Intel UHD Graphics 630

Specifications Overview

Model BX80684I58400
Release Date October 2017

* First availability for purchase, it may not correspond to the actual market launch date.

Series Core i5 8th Gen
Core Name Coffee Lake
Socket LGA1151
Integrated Graphics Intel UHD Graphics 630
CPU Cores 6
CPU Threads 6
CPU Clock Rate 2800MHz
CPU Turbo Clock Rate 4000MHz
TDP 65W
CPU Cooler included
Manufacturing Process 14 nm
Maximum Supported Memory 64GB
Cache L3 9MB

Intel Core i5-8400 Performance comparison with similar Processors

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Essentials

Performance

  • # of Cores 6
  • # of Threads 6
  • Processor Base Frequency 2.80 GHz
  • Max Turbo Frequency 4.00 GHz
  • Cache 9 MB
  • Bus Speed 8 GT/s DMI3
  • TDP 65 W

Supplemental Information

  • Embedded Options Available No
  • Conflict Free Yes
  • Datasheet View now

Learn how Intel is pursuing conflict-free technology.

Memory Specifications

  • Max Memory Size (dependent on memory type) 64 GB
  • Memory Types DDR4-2666
  • Max # of Memory Channels 2
  • ECC Memory Supported ‡ No

Graphics Specifications

  • Processor Graphics ‡ Intel® UHD Graphics 630
  • Graphics Base Frequency 350 MHz
  • Graphics Max Dynamic Frequency 1.05 GHz
  • Graphics Video Max Memory 64 GB
  • Execution Units 23
  • 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 0x3E92

Expansion Options

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

Package Specifications

  • Sockets Supported FCLGA1151
  • Max CPU Configuration 1
  • Thermal Solution Specification PCG 2015C (65W)
  • TJUNCTION 100°C
  • Package Size 37.5mm x 37.5mm
  • Low Halogen Options Available See MDDS

Advanced Technologies

  • Intel® Optane™ Memory Supported ‡ Yes
  • Intel® Turbo Boost Technology ‡ 2.0
  • Intel® vPro™ Technology ‡ 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 SSE4.1/4.2, 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
  • Intel® Memory Protection Extensions (Intel® MPX) Yes
  • Intel® OS Guard Yes
  • Intel® Trusted Execution Technology ‡ No
  • Execute Disable Bit ‡ Yes
  • Intel® Boot Guard Yes

Critic Reviews

100

The Core i5-8400 brings a powerful six-core design to the mid-range, offering class-leading gaming performance and competitive performance in heavier applications. More expensive models offer more performance in both categories, but the Core i5-8400 is easily the pound-for-pound gaming champion.

TomsHardware

Read the full review
80

Anyone looking to buy a completely new desktop PC today should avoid previous-generation Intel CPUs simply because you get more physical cores at all price levels with 8th Gen Core models as well as AMD's entire Ryzen lineup. The Core i5-8400 is an...

Gadgets360

Read the full review

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