9th Gen Intel Core i5 9400
- Boost/Base Clock:
- 4.1 GHz Boost Clock
- Core/Thread Count:
- 6 Core / 6 Thread
- Cache:
- 9MB L3
- CPU Socket:
- LGA 1151
- CPU Series:
- Coffee Lake
- Form Factor:
- Desktop
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Manufacturer: Intel Last updated: September 9, 2026
9th Gen Intel Core i5 9400 Review
The 9th Gen Intel Core i5 9400 is a 6-core mainstream desktop processor built on Coffee Lake, boosting up to 4.1 GHz within a 9MB L3 cache on the LGA 1151 socket.
As the entry point into Intel's 9th Gen i5 lineup, this chip brought genuine 6-core capability to a mainstream, non-overclockable price tier, sharing its base architecture with the F-suffix 9400F variant.
Integrated Graphics
The standard variant includes basic Intel integrated graphics for display output; mainstream desktop builds around this chip typically pair it with a discrete GPU for gaming.
How Is the Core i5 9400 in Terms of Performance
The 6-core layout gives this chip solid mainstream gaming and everyday performance, sharing its core Coffee Lake silicon with the widely recommended F-suffix 9400F variant.
Benchmarks
Sharing the same 6-core Coffee Lake silicon as the popular F-suffix i5-9400F, this chip's real-world gaming and productivity performance tracks closely with its integrated-graphics-free sibling, appropriate for buyers wanting a fallback iGPU.
Specifications
Identity
| Brand | Intel |
|---|---|
| Product Line | Core i5 |
| Product Line | Core i5 |
| Model Number | 9400 |
| Codename | Coffee Lake |
| Release Year | 2019 |
Segment and platform
| Market Segment | Desktop |
|---|---|
| Microarchitecture | Coffee Lake, 9th Gen Intel Core |
| Socket | LGA 1151 |
| Socket Status | End of Life |
| Process Node | 14 nm |
Core configuration
| Performance Cores | 6 |
|---|---|
| Efficiency Cores | 0 |
| SMT Enabled | No |
Clock speeds
| P-Core Base Clock | 2.9 GHz |
|---|---|
| P-Core Boost Clock | 4.1 GHz |
Cache
| L3 Cache | 9 MB |
|---|
Power and thermal
| Base Power | 65 W |
|---|---|
| Max Turbo Power | 65 W |
Memory
| Memory Type | DDR4 |
|---|---|
| Max Memory Speed | 2666 MT/s |
| Memory Channels | 2 |
| ECC Support | No |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | Intel UHD Graphics 630 |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | 3.0 |
|---|---|
| PCIe Lanes | 16 |
Commercial
| Launch MSRP | 182 USD |
|---|---|
| Retail Availability | Retail |
| Form Factor | Desktop |
|---|---|
| Core/Thread Count | 6 Core / 6 Thread |
| Cache | 9MB L3 |
| Boost/Base Clock | 4.1 GHz Boost Clock |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Mainstream desktop builders wanting genuine 6-core performance with a fallback integrated GPU
Not for
- Enthusiasts wanting to overclock — the unlocked i5-9600K offers that flexibility
FAQs
What are the key specifications of the 9th Gen Intel Core i5 9400?
The 9th Gen Intel Core i5 9400 is a processor from Intel. Key specs: Boost/Base Clock 4.1 GHz Boost Clock, Core/Thread Count 6 Core / 6 Thread, Cache 9MB L3, CPU Socket LGA 1151, CPU Series Coffee Lake, 9th Gen Intel Core.
Will the 9th Gen Intel Core i5 9400 work with my current setup?
The 9th Gen Intel Core i5 9400 lists CPU Socket is LGA 1151. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the 9th Gen Intel Core i5 9400 best suited to?
It suits mainstream desktop builders wanting genuine 6-core performance with a fallback integrated gpu.
What are the drawbacks of the 9th Gen Intel Core i5 9400?
It is a poor fit for enthusiasts wanting to overclock — the unlocked i5-9600k offers that flexibility.