CPU Comparison
Intel Core i5-8600T vs Intel Core i5-9400T
A side-by-side comparison of specs, performance and value. 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.
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office applications, large spreadsheets, and multitasking without issues.
Handles office applications, large spreadsheets, and multitasking without issues.
Gaming
Capable of light eSports gaming using integrated graphics, but not suited for AAA titles.
Capable of light eSports gaming using integrated graphics, but not suited for AAA titles.
Virtualization
Can run basic VMs, but lacks Hyper-Threading for heavy parallel workloads.
Can run basic VMs, but lacks Hyper-Threading for heavy parallel workloads.
Efficiency
Outstanding power-to-performance ratio for low-power segments.
Outstanding power-to-performance ratio for low-power segments.
Specialized Performance
AI / ML
- No dedicated AI hardware
- Low core clocks limit CPU-based inference
- No dedicated AI hardware
- Low core clocks limit CPU-based inference
Content Creation
Gaming
- UHD 630 handles older or lightweight games well
- Pairs best with discrete GPUs for 1080p gaming
- Not ideal for high-refresh-rate AAA gaming
- UHD 630 handles older or lightweight games well
- Pairs best with discrete GPUs for 1080p gaming
- Not ideal for high-refresh-rate AAA gaming
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Extremely low 35W TDP
- 6 physical cores for multitasking
- Integrated UHD Graphics 630
- Runs exceptionally cool
- Quiet operation potential
Cons
- Low base clock of 2.3 GHz
- No Hyper-Threading
- Locked multiplier
- End-of-life platform
- Limited upgrade path
Pros
- Extremely low 35W TDP
- 6 physical cores for multitasking
- Integrated UHD Graphics 630
- Runs exceptionally cool
- Quiet operation potential
Cons
- Low base clock of 1.8 GHz
- No Hyper-Threading
- Locked multiplier
- End-of-life platform
- Limited upgrade path
Competitors & Alternatives
Intel Core i5-8600T
- AMD Ryzen 5 2600ERival
Low Power Desktop
- AMD Ryzen 5 2400GERival
Low Power Desktop
- Compare head-to-headIntel Core i5-8500TRival
Low Power Desktop
- Compare head-to-headIntel Core i7-8700TRival
Low Power Desktop
- AMD Ryzen 3 2200GERival
Low Power Desktop
Better raw performance if power constraints are not a strict issue.
Compare head-to-headCheaper alternative for basic office needs.
Compare head-to-head- AMD Ryzen 5 2400GAlt
Significantly better integrated graphics performance.
Newer generation with slightly higher boost clocks.
Compare head-to-head
Intel Core i5-9400T
- AMD Ryzen 5 2600ERival
Low Power Desktop
- AMD Ryzen 5 3400GERival
Low Power Desktop
- Compare head-to-headIntel Core i5-8500TRival
Low Power Desktop
- Compare head-to-headIntel Core i7-8700TRival
Low Power Desktop
- AMD Ryzen 3 3200GERival
Low Power Desktop
Better raw performance if power constraints are not a strict issue.
Compare head-to-headSlightly higher clocks within the same 35W envelope.
Compare head-to-head- Intel Core i3-9100Alt
Cheaper alternative for basic office needs.
- AMD Ryzen 5 3400GAlt
Significantly better integrated graphics performance.
- Intel Core i5-10400TAlt
Newer generation with Hyper-Threading support.
Our Verdict on Each
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: Building or upgrading a low-power, small form factor system where a 35W TDP is strictly required.
Read the full reviewAn 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: Building or upgrading a low-power, small form factor system where a 35W TDP is strictly required.
Read the full reviewFrequently Asked Questions
Do Intel Core i5-8600T and Intel Core i5-9400T use the same socket?
Yes — all of these CPUs use the Intel Socket 1151 socket, so they share compatible motherboards.