CPU Comparison
Intel Core i5-8400 vs Intel Core i5-8500
A side-by-side comparison of specs, performance and value. The Intel Core i5-8400 is a landmark mainstream desktop processor that fundamentally shifted the budget CPU market by bringing six physical cores to the i5 tier for the first time.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office tasks and moderate programming workloads efficiently.
Handles office tasks and moderate programming workloads efficiently.
Gaming
Capable of smooth 1080p gaming when paired with a mid-range discrete GPU.
Capable of smooth 1080p gaming when paired with a mid-range discrete GPU.
Virtualization
Good for basic VMs, but 6 threads limit heavy parallel virtualization.
Good for basic VMs, but 6 threads limit heavy parallel virtualization.
Efficiency
Balanced performance within a standard 65W power envelope.
Balanced performance within a standard 65W power envelope.
Specialized Performance
AI / ML
- No AI-specific hardware
- CPU inference is slow due to lack of threads
- No AI-specific hardware
- CPU inference is slow due to lack of threads
Content Creation
Gaming
- Excellent for budget gaming builds
- Handles eSports titles flawlessly
- May bottleneck high-end modern GPUs at 1080p
- Excellent for budget gaming builds
- Handles eSports titles flawlessly
- May bottleneck high-end modern GPUs at 1080p
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Disruptive price-to-performance ratio
- 6 physical cores for modern gaming
- Includes integrated UHD Graphics 630
- Standard 65W TDP is easy to cool
- Wide compatibility with 300-series motherboards
Cons
- No Hyper-Threading (only 6 threads)
- Locked multiplier prevents overclocking
- End-of-life platform (LGA 1151)
- Officially limited to DDR4-2666
- Not supported by Windows 11 officially
Pros
- Excellent price-to-performance ratio historically
- Strong single-core speeds for gaming
- Includes integrated UHD Graphics 630
- Standard 65W TDP is easy to cool
- Wide compatibility with 300-series motherboards
Cons
- No Hyper-Threading (only 6 threads)
- Locked multiplier prevents overclocking
- End-of-life platform (LGA 1151)
- Officially limited to DDR4-2666
- Not supported by Windows 11 officially
Competitors & Alternatives
Intel Core i5-8400
- AMD Ryzen 5 1600Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-7500Rival
Mainstream Desktop
- AMD Ryzen 5 2600Rival
Mainstream Desktop
- Intel Core i7-7700Rival
Mainstream Desktop
- AMD Ryzen 5 2400GRival
Mainstream Desktop
Slightly newer generation with marginally higher clocks.
Compare head-to-headNewer platform with 8 threads and similar gaming performance.
Compare head-to-headLow power alternative for SFF builds.
Compare head-to-head
Intel Core i5-8500
- 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 i5-8420Rival
Mainstream Desktop
- Intel Core i7-7700Rival
Mainstream Desktop
Slightly newer generation with similar specifications.
Compare head-to-headNewer platform with 8 threads and similar gaming performance.
Compare head-to-headSoldered BGA alternative for embedded systems.
Compare head-to-head
Our Verdict on Each
A legendary value CPU that forced the market to adopt 6 cores as the standard. Excellent for budget gaming, though lacking Hyper-Threading.
Best for: Upgrading an older LGA 1151 system on a budget, or building an office/HTPC machine.
Read the full reviewA solid hexa-core processor that offers slightly higher out-of-the-box clocks than the 8400, making it a great choice for budget gaming and office builds.
Best for: Upgrading an older LGA 1151 system on a budget, or building an office/HTPC machine.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-8400 or Intel Core i5-8500?
Based on our editorial ratings, the Intel Core i5-8400 comes out ahead with a score of 8.5/10. 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 i5-8400 or Intel Core i5-8500?
For gaming, the Intel Core i5-8500 leads with a gaming performance score of 80/100 among Intel Core i5-8400 and Intel Core i5-8500.
Do Intel Core i5-8400 and Intel Core i5-8500 use the same socket?
Yes — all of these CPUs use the Intel Socket 1151 socket, so they share compatible motherboards.