End-of-lifeCore i5 (Coffee Lake)

Intel · Core i5

Intel Core i5-8600T

A 35W hexa-core processor engineered for compact, silent, and energy-efficient desktop PCs.

Small Form Factor PCsHome Theater PCsOffice DesktopsSilent BuildsDigital Signage

Cores / Threads

6/ 6

Base / Boost

2.3/ 3.7 GHz

PCIe Lanes

16

L3 Cache

9MB

TDP

35W

Socket

Intel Socket 1151

Verdict

7.5/ 10

75

Quick Verdict

An efficient 6-core chip that trades raw clock speed for a strict 35W thermal envelope, making it perfect for compact systems but less ideal for heavy workloads.

Best for:Small Form Factor PCsHome Theater PCsOffice DesktopsSilent BuildsDigital Signage

Overview

Launch

Apr 2nd, 2018

Status

End-of-life

Generation

Core i5 (Coffee Lake)

Market

Desktop

About this CPU

The Intel Core i5-8600T is a low-power, six-core desktop processor introduced as part of the 8th Generation Coffee Lake lineup, designed specifically for small form factor (SFF) systems and mini PCs where thermal constraints are strict.

Designed for mini PCs and AIO systems, the Core i5-8600T operates within a strict 35W TDP. It features 6 cores and 6 threads, clocking up to 3.7 GHz, providing adequate performance for everyday computing and multitasking without requiring aggressive cooling solutions.

Specifications

ArchitectureCoffee Lake
Manufacturing Process14 nm
Cores / Threads6 / 6
Base Clock2.3 GHz
Boost Clock3.7 GHz
L3 Cache9 MB
TDP35 W
Memory TypeDDR4
Memory SpeedDDR4-2666
Memory ChannelsDual-Channel (2)
Max Memory64 GB
PCIe Version / LanesPCIe 3.0 × 16
Integrated GraphicsYes
Dual-Channel16 PCIe Lanes
Target Audience
GamersStreamersContent CreatorsDevelopersWorkstation UsersOffice UsersStudents

Performance

Productivity
75Good

Handles office applications, large spreadsheets, and multitasking without issues.

Virtualization
60Below Average

Can run basic VMs, but lacks Hyper-Threading for heavy parallel workloads.

Gaming
55Below Average

Capable of light eSports gaming using integrated graphics, but not suited for AAA titles.

Efficiency
95Excellent

Outstanding power-to-performance ratio for low-power segments.

GamingLimited
  • UHD 630 handles older or lightweight games well
  • Pairs best with discrete GPUs for 1080p gaming
  • Not ideal for high-refresh-rate AAA gaming
CreatorBasic
Basic Photo Editing1080p Video Editing (Proxy)
AI / MLNot Recommended
  • No dedicated AI hardware
  • Low core clocks limit CPU-based inference
Industry Impact
Gaming
Low
Workstations
Moderate
Content Creation
Low
Virtualization
Moderate

Architecture

14 nm

Process Node

Coffee Lake

Codename

6C / 6T

Core Config

9 MB

L3 Cache

35 W

TDP

Architecture Overview

Built on Intel's highly refined 14-nanometer lithography, the Core i5-8600T utilizes the Coffee Lake microarchitecture. This design represents an optimization of the Skylake lineage, focusing on maximizing core density within mainstream power limits. The processor features six physical cores configured without Hyper-Threading, adhering to Intel's tier segmentation of the time. A ring bus architecture facilitates low-latency communication between the cores, the 9 MB SmartCache L3 memory, and the integrated graphics. The built-in UHD Graphics 630 features 24 execution units and supports hardware acceleration for modern video codecs like HEVC. Memory support is officially rated for dual-channel DDR4-2666, ensuring adequate bandwidth for system responsiveness. The chip communicates with the motherboard via the FC-LGA1151 package, providing 16 PCIe 3.0 lanes for discrete components. Despite its low 35W TDP, Intel retained comprehensive security and instruction set support, including AES-NI, AVX2, and VT-x, ensuring capable virtualization and cryptographic performance.

CPU Design

6 physical cores without Hyper-Threading.

Memory Subsystem

Dual-channel DDR4-2666.

PCIe & I/O

16 PCIe 3.0 lanes directly from the CPU.

Overclocking

Locked multiplier.

Generation Comparison
Intel Core i5-7500TIntel Core i5-8600TIntel Core i5-9400T
  • Two additional physical cores
  • Higher max turbo frequency
  • Improved multi-threaded performance

Key Highlights

35W Low TDP
Allows for fanless or low-RPM cooling designs in compact chassis.
6 Physical Cores
Provides solid multitasking capabilities without Hyper-Threading.
UHD Graphics 630
Integrated GPU supports multi-display setups and hardware video decoding.
Coffee Lake Architecture
Mature 14nm process optimized for efficiency and predictable performance.
Strengths
  • Extremely low 35W TDP
  • 6 physical cores for multitasking
  • Integrated UHD Graphics 630
  • Runs exceptionally cool
  • Quiet operation potential
Weaknesses
  • Low base clock of 2.3 GHz
  • No Hyper-Threading
  • Locked multiplier
  • End-of-life platform
  • Limited upgrade path

History

Launch Date
Apr 2nd, 2018
Status
End-of-life
Generation
Core i5 (Coffee Lake)
Market
Desktop
The Story

Launched on April 2nd, 2018, the Core i5-8600T arrived during a critical transitional period for Intel. The company faced intense pressure from AMD's Ryzen architecture, which aggressively pushed higher core counts into the mainstream market. In response, Intel rapidly deployed the Coffee Lake generation, permanently increasing core counts across their entire stack.

The i5 tier transitioned from four cores to six, a significant leap for budget and mid-range builders. The 'T' suffix specifically catered to system integrators building compact desktops and mini PCs, bringing hexa-core processing to ultra-efficient form factors. While enthusiasts largely focused on the unlocked 'K' series chips, the 8600T quietly found its way into millions of office machines, NUCs, and AIO systems.

Its release marked a turning point where even low-power enterprise and SFF systems could benefit from modern multi-core processing, effectively killing off the quad-core era for standard desktop computing tasks and raising the baseline for system responsiveness.

Improvements over Previous Generation

  • Two additional physical cores
  • Higher max turbo frequency
  • Improved multi-threaded performance

Alternatives & Competitors

Intel Core i5-8400
Better raw performance if power constraints are not a strict issue.
Intel Core i5-8500T
Slightly higher clocks within the same 35W envelope.
Intel Core i3-8100
Cheaper alternative for basic office needs.
AMD Ryzen 5 2400G
Significantly better integrated graphics performance.
Intel Core i5-9400T
Newer generation with slightly higher boost clocks.
Direct Competitors
AMD Ryzen 5 2600EAMD Ryzen 5 2400GEIntel Core i5-8500TIntel Core i7-8700TAMD Ryzen 3 2200GE

Should You Buy It?

Recommended for the right buyer

Building or upgrading a low-power, small form factor system where a 35W TDP is strictly required.

Avoid if…

  • Building a standard ATX desktop
  • Prioritizing raw gaming performance
  • Doing heavy multi-threaded content creation

Use Cases

Office Productivity
Excellent
Web Browsing
Excellent
Media Playback
Excellent
Casual Gaming
Fair
Video Encoding
Fair

Interesting Facts

The 'T' suffix officially designates a low-power Intel desktop processor.

It shares the same physical silicon as the 65W i5-8400 but is binned for efficiency.

Includes Intel UHD Graphics 630 capable of driving three 4K displays.

Officially supports DDR4-2666 memory speeds.

Released in April 2018 alongside other Coffee Lake SKUs.

Uses the FC-LGA1151 package, requiring a 300-series chipset motherboard.

Maximum turbo boost is 3.7 GHz, achieved only under thermal headroom.

Features a die size of 154 mm².

Part number SR3X3 is specific to this low-power variant.

Can operate entirely passively cooled with a sufficiently large heatsink.

People Also Ask

Is the Intel Core i5-8600T good for gaming?

It is only suitable for light or older games using the integrated UHD 630. For serious gaming, a dedicated GPU is required.

Can you overclock the i5-8600T?

No, the processor features a locked multiplier and does not support overclocking.

What is the TDP of the Core i5-8600T?

It has a default TDP of 35 Watts, making it ideal for small form factor builds.

Does the i5-8600T have integrated graphics?

Yes, it includes the Intel UHD Graphics 630.

What socket does the i5-8600T use?

It uses the Intel Socket 1151 (FC-LGA1151 package).

How many cores and threads does the i5-8600T have?

It features 6 cores and 6 threads. It does not support Hyper-Threading.

What RAM speed is supported by the i5-8600T?

It officially supports dual-channel DDR4 memory at 2666 MT/s.

What is the maximum turbo frequency of the i5-8600T?

The maximum Intel Turbo Boost frequency is 3.7 GHz.

Is the i5-8600T good for a home server?

Yes, its low 35W TDP makes it excellent for always-on home servers and NAS devices.

Does the i5-8600T support Windows 11?

Officially it is not supported by Windows 11, but it can run via workarounds.

Frequently Asked Questions

Does the Core i5-8600T come with a cooler?

Tray versions do not. Boxed versions typically include a low-profile stock cooler (E97379-001).

What is the difference between the i5-8400 and i5-8600T?

The i5-8400 has a 65W TDP and higher clocks (2.8 GHz base), while the i5-8600T has a 35W TDP and a 2.3 GHz base clock.

Can the i5-8600T run Adobe Premiere Pro?

Yes, but performance will be limited due to the low base clock. It is best for basic 1080p editing.

What PCIe version does the i5-8600T support?

It supports PCIe 3.0 with 16 lanes directly from the CPU.

Does the i5-8600T support ECC memory?

No, the Core i5-8600T does not support Error-Correcting Code (ECC) memory.

What motherboards are compatible with the i5-8600T?

It is compatible with Intel 300-series chipset motherboards (Z390, B360, H310, etc.) with the LGA 1151 socket.

What is the L3 cache size of the i5-8600T?

It has a 9 MB shared L3 SmartCache.

Does the i5-8600T support Hyper-Threading?

No, it has 6 physical cores but processes only 6 threads simultaneously.

Is the i5-8600T unlocked?

No, it has a locked multiplier and cannot be overclocked.

What is the base clock speed of the i5-8600T?

The base clock speed is 2.3 GHz.