CPU Comparison
Intel Core i5-8600 vs Intel Core i5-9400T
A side-by-side comparison of specs, performance and value. The Intel Core i5-8600 is a 6-core, 6-thread desktop processor from the Coffee Lake family, offering a balanced blend of clock speed and efficiency for mainstream users.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Good for general office work and coding.
Handles office applications, large spreadsheets, and multitasking without issues.
Gaming
Can handle e-sports and older titles well.
Capable of light eSports gaming using integrated graphics, but not suited for AAA titles.
Virtualization
Limited by 6 threads.
Can run basic VMs, but lacks Hyper-Threading for heavy parallel workloads.
Efficiency
Very low power draw for daily tasks.
Outstanding power-to-performance ratio for low-power segments.
Specialized Performance
AI / ML
- Not designed for AI acceleration
- No dedicated AI hardware
- Low core clocks limit CPU-based inference
Content Creation
Gaming
- Good for 1080p e-sports
- Lacks threads for modern AAA
- Requires a dedicated GPU for serious 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
- Decent single-core speed
- Low 65W TDP
- Integrated graphics included
- Good for e-sports gaming
Cons
- No Hyper-Threading
- End-of-life platform
- Locked multiplier
- Only PCIe 3.0 support
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 i5-8600
- AMD Ryzen 5 2600Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-8400Rival
Mainstream Desktop
- AMD Ryzen 5 1600Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-7600Rival
Mainstream Desktop
- AMD Ryzen 5 2600XRival
Mainstream Desktop
Successor with slightly higher clocks.
Compare head-to-headModern budget CPU with faster single-core.
Compare head-to-head- AMD Ryzen 5 5600GAlt
Much stronger integrated graphics.
Unlocked variant for overclocking on the same socket.
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
A reliable 6-core processor for basic tasks, but its lack of Hyper-Threading makes it a poor choice for modern multi-threaded workloads.
Best for: Budget upgrade for an LGA 1151 system
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
Which is better, Intel Core i5-8600 or Intel Core i5-9400T?
Based on our editorial ratings, the Intel Core i5-9400T comes out ahead with a score of 7.5/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.
Which is faster for gaming, Intel Core i5-8600 or Intel Core i5-9400T?
For gaming, the Intel Core i5-9400T leads with a gaming performance score of 55/100 among Intel Core i5-8600 and Intel Core i5-9400T.
Which uses less power?
The Intel Core i5-9400T has the lowest rated TDP. Power draw across these chips: Intel Core i5-8600 (65 W), Intel Core i5-9400T (35 W).
Do Intel Core i5-8600 and Intel Core i5-9400T use the same socket?
No. They use different sockets (Intel Core i5-8600: LGA 1151, Intel Core i5-9400T: Intel Socket 1151), so each needs a compatible motherboard.