CPU Comparison
Intel Core i5-7500T vs Intel Core i5-9400T
A side-by-side comparison of specs, performance and value. The Intel Core i5-7500T is a low-power quad-core desktop processor from Intel's 7th Generation Kaby Lake lineup. Engineered for small form factor (SFF) PCs, AIO systems, and enterprise mini-desktops, it operates within a strict 35W TDP. Like its sibling the 7400T, it features 4 cores and 4 threads, lacking Hyper-Threading. It distinguishes itself with a higher base clock of 2.7 GHz and a turbo boost of 3.3 GHz, offering better performance for everyday computing. The 6MB L3 cache ensures smooth operation during routine office work and multitasking. Integrated Intel HD 630 graphics provide reliable 4K video playback and support for multiple displays, though it is not intended for 3D gaming. The 'T' suffix denotes its low-power nature, making it an excellent choice for systems where thermal constraints and noise levels are critical. It provides a balance of adequate desktop performance and exceptional energy efficiency for space-constrained environments.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Strong performance for office suites and general multitasking.
Handles office applications, large spreadsheets, and multitasking without issues.
Gaming
Not suitable for gaming due to weak HD 630 graphics.
Capable of light eSports gaming using integrated graphics, but not suited for AAA titles.
Virtualization
Limited by 4 cores and 4 threads, poor for heavy VMs.
Can run basic VMs, but lacks Hyper-Threading for heavy parallel workloads.
Efficiency
Excellent performance per watt for silent desktop builds.
Outstanding power-to-performance ratio for low-power segments.
Specialized Performance
AI / ML
- No AI acceleration hardware
- Limited by 4 threads
- No dedicated AI hardware
- Low core clocks limit CPU-based inference
Content Creation
Gaming
- Uses Intel HD 630 graphics
- Only for basic 2D games
- No hardware support for modern gaming features
- 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
- Excellent 35W power efficiency
- Good for everyday office and media tasks
- Higher clocks than the 7400T
- Wide motherboard compatibility
Cons
- Lacks Hyper-Threading
- Relatively low turbo boost ceiling
- Weak integrated graphics
- End-of-life platform
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 i5-7500T
- AMD Ryzen 3 1300XRival
Desktop
- AMD Ryzen 5 1400Rival
Desktop
- Compare head-to-headIntel Core i5-7400TRival
Desktop (Low Power)
- Compare head-to-headIntel Core i5-6500TRival
Desktop (Low Power)
- AMD A12-9800Rival
Desktop
More cores and better efficiency.
Compare head-to-head- AMD Ryzen 5 3400GEAlt
Better graphics and SMT for similar power.
- Intel Core i3-10100TAlt
Hyper-Threading and higher clocks.
- Intel Pentium Gold G5400TAlt
Cheaper alternative for basic office tasks.
- AMD Ryzen 3 3200GEAlt
Better integrated graphics for SFF builds.
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 solid low-power desktop CPU with slightly higher clocks than the 7400T, but still hampered by a lack of Hyper-Threading.
Best for: Building a low-power, silent NAS or HTPC using used parts.
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 i5-7500T 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 i5-7500T or Intel Core i5-9400T?
For gaming, the Intel Core i5-9400T leads with a gaming performance score of 55/100 among Intel Core i5-7500T and Intel Core i5-9400T.
Do Intel Core i5-7500T and Intel Core i5-9400T use the same socket?
No. They use different sockets (Intel Core i5-7500T: LGA 1151, Intel Core i5-9400T: Intel Socket 1151), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i5-9400T has the most cores. Core counts: Intel Core i5-7500T (4 cores), Intel Core i5-9400T (6 cores).
Which is faster in multi-core benchmarks?
The Intel Core i5-7500T posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-7500T (5,500). Benchmark figures are approximate and workload-dependent.