CPU Comparison
Intel Core i5-2500T vs Intel Core i5-2400S
A side-by-side comparison of specs, performance and value. The Intel Core i5-2500T is a low-power quad-core desktop processor from the Sandy Bridge generation, featuring a 45 W TDP designed for slim form factor PCs and all-in-one systems.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Can handle legacy office applications but will struggle with modern web apps and multitasking.
Handles basic office tasks but struggles with heavy spreadsheets or modern web apps.
Gaming
Intel HD 2000 graphics are completely insufficient for any modern 3D gaming.
Cannot handle modern AAA games, even at lowest settings.
Virtualization
VT-d and VT-x support are present, but four threads limit practical virtual machine usage.
Can run a basic NAS OS or light VM, but limited by 4 threads.
Efficiency
Impressive efficiency for a 2011 quad-core desktop chip, though modern chips are far more efficient.
Good power-to-core ratio for the 32nm era.
Specialized Performance
AI / ML
- No AI acceleration hardware
- Lacks AVX2 and modern matrix math instructions
- Completely unsuitable for AI workloads
- No AI hardware capabilities
- Too slow for practical machine learning inference
Content Creation
Gaming
- Intel HD 2000 cannot handle modern game engines
- Suitable only for 2D games or pre-2010 titles at low resolutions
- Thermal constraints prevent sustained high performance
- HD 2000 graphics lack driver support for modern titles
- Even with a discrete GPU, CPU bottlenecks severely
- Playable only in legacy esports like CS 1.6
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Very low 45 W power draw for a quad-core desktop CPU
- Retained full enterprise feature set (VT-d, TXT)
- Capable of 3.3 GHz turbo for bursty workloads
- Allowed quad-core performance in slim chassis designs
- AES-NI hardware encryption support
Cons
- Low base clock of 2.3 GHz limits sustained multi-core performance
- Intel HD 2000 graphics are extremely weak
- No Hyper-Threading
- Locked multiplier
- Completely obsolete for modern computing
Pros
- True quad-core CPU
- Low 65W power draw
- Cool and quiet operation
- Full 6 MB L3 cache
Cons
- No Hyper-Threading
- Low clock speeds
- Outdated HD 2000 graphics
- Not Windows 11 compatible
- Locked multiplier
Competitors & Alternatives
Intel Core i5-2500T
- AMD Phenom II X4 910eRival
Low Power Desktop
- AMD A8-3850Rival
Desktop APU
- Compare head-to-headIntel Core i5-2400SRival
Low Power Desktop
- AMD A6-3650Rival
Budget Desktop
- Intel Core i3-2100TRival
Low Power Dual-Core
If the chassis can handle 65 W, the 2500S offers much better sustained multi-core performance.
Compare head-to-headIvy Bridge successor offering better integrated graphics and slightly better efficiency.
Compare head-to-head
Intel Core i5-2400S
- AMD Phenom II X4 960TRival
Desktop
- AMD FX-4100Rival
Desktop
- AMD A8-3800Rival
Desktop APU
- Compare head-to-headIntel Core i5-2390TRival
Desktop
- Intel Core i3-2125Rival
Desktop
Standard power, faster clocks for tower PCs.
Compare head-to-headSame power, better integrated graphics.
Compare head-to-head- AMD FX-4300Alt
Slightly newer platform with more upgrade paths.
- Intel Core i7-2600SAlt
Same 65W TDP but adds Hyper-Threading.
- Intel Xeon E3-1235Alt
Similar specs with better graphics, though 80W TDP.
Our Verdict on Each
An interesting engineering exercise for its time that brought quad cores to low-profile chassis, but thoroughly obsolete by modern standards.
Best for: Replacing a failed CPU in a legacy all-in-one PC with proprietary BIOS whitelist restrictions.
Read the full reviewA power-efficient quad-core chip that is now strictly relegated to keeping legacy small form factor office PCs operational.
Best for: Direct replacement for a failed CPU in a Dell Optiplex SFF
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-2500T or Intel Core i5-2400S?
Based on our editorial ratings, the Intel Core i5-2400S comes out ahead with a score of 4.5/10. 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 i5-2500T or Intel Core i5-2400S?
For gaming, the Intel Core i5-2400S leads with a gaming performance score of 15/100 among Intel Core i5-2500T and Intel Core i5-2400S.
Which uses less power?
The Intel Core i5-2500T has the lowest rated TDP. Power draw across these chips: Intel Core i5-2500T (45 W), Intel Core i5-2400S (65 W).
Do Intel Core i5-2500T and Intel Core i5-2400S use the same socket?
Yes — all of these CPUs use the LGA 1155 socket, so they share compatible motherboards.
Which is faster in multi-core benchmarks?
The Intel Core i5-2500T posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-2500T (3,000), Intel Core i5-2400S (2,400). Benchmark figures are approximate and workload-dependent.