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CPU Comparison

Core i5-12400T vs Intel Core i5-12500

A side-by-side comparison of specs, performance and value. The Intel Core i5-12400T is a 6-core, 12-thread desktop processor from the Alder Lake family, specifically optimized for low-power builds. With a base TDP of just 35W, it is designed for compact, small-form-factor (SFF) PCs and home theater setups where thermals and acoustics are paramount. Despite its low power draw, it reaches boost clocks of up to 4.2 GHz, delivering snappy single-threaded performance. It features 18MB of L3 cache and integrated UHD Graphics 730, handling daily tasks and media playback effortlessly while supporting both DDR4 and DDR5 memory platforms.

Intel · Core i5
Core i5-12400T
6C / 12T4.2 GHz35 W
8.5
Full review
Top pick
Intel · Core i5
Intel Core i5-12500
6C / 12T4.6 GHz65 W
8.7
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
12th Gen
12th Gen
Launched
2022
2022
Status
Active
Active
Codename
Alder Lake-S
Alder Lake-S
Series
Core i5
Core i5
Family
Alder Lake
12th Generation Alder Lake
Predecessor
Intel Core i5-11400T
Core i5-11500
Successor
Intel Core i5-13400T
Core i5-13500

Specifications Compared

Cores & Clocks
Cores
6
6
Threads
12
12
Base Clock
1.8 GHz
3 GHz
Boost Clock
4.2 GHz
4.6 GHz
Cache & Power
L3 Cache
18 MB
18 MB
TDP
35 W
65 W
Architecture
Architecture
Alder Lake-S
Alder Lake-S
Process Node
Intel 7 (10nm)
10nm
Memory
Memory Type
DDR4, DDR5
DDR4, DDR5
Memory Speed
DDR5-4800, DDR4-3200
DDR4-3200, DDR5-4800
Memory Channels
Dual (2)
Dual (2)
Max Memory
256 GB
128 GB
Platform & I/O
Socket
LGA 1700
LGA 1700
PCIe Version
PCIe 5.0
PCIe 5.0
PCIe Lanes
20
20
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Core i5-12400TBest82

Highly responsive for daily applications and moderate multitasking.

Intel Core i5-1250080

Smooth multitasking for office and web applications.

Gaming

Core i5-12400T75

Decent for gaming with a discrete GPU, though limited by lower max boost compared to 65W variants.

Intel Core i5-12500Best86

Great gaming performance, similar to 12490F but with iGPU.

Virtualization

Core i5-12400T72

6 cores with 12 threads handle homelab virtualization well.

Intel Core i5-12500Best75

Good for basic virtualization needs.

Efficiency

Core i5-12400TBest98

Near-perfect efficiency for a desktop chip; runs exceptionally cool.

Intel Core i5-1250090

Excellent performance per watt.

Specialized Performance

AI / ML

Core i5-12400TLimited
  • No dedicated AI hardware
  • CPU-based AI inference is slow
Intel Core i5-12500Limited
  • CPU-based inference only
  • No dedicated AI accelerators

Content Creation

Core i5-12400TGood
Premiere Pro (1080p)PhotoshopLight CodingOBS Studio
Intel Core i5-12500Good
PhotoshopIllustratorLight Video Editing

Gaming

Core i5-12400TGood
  • Requires a discrete GPU for serious gaming
  • Slightly lower FPS than 12400 due to clocks
  • Excellent for living room gaming setups
Intel Core i5-12500Excellent
  • Solid 1080p framerates
  • UHD 770 serves as a backup
  • High boost clocks

Industry Impact

Gaming
Moderate
High
Workstations
Low
Moderate
Content Creation
Moderate
Moderate
Virtualization
Moderate
Moderate

Best CPU by Use Case

SFF Office PC
Excellent
Home Theater PC
Excellent
Casual Gaming (with dGPU)
Good
Software Development
Good
NAS / Home Server
Excellent
1080p Gaming
Excellent
Office Productivity
Excellent
Media Consumption
Excellent
Light Coding
Very Good
3D Rendering
Average

Target Audience

Gamers
Targeted
Content Creators
Developers
Targeted
Targeted
Workstation Users
Streamers
Targeted
Office / Productivity
Targeted
Targeted
Students
Targeted
Targeted

Strengths & Weaknesses

Core i5-12400T

Pros

  • Extremely low 35W TDP
  • Pure P-core design
  • PCIe 5.0 support
  • Runs very cool
  • DDR5 support

Cons

  • Lower boost clocks than 12400
  • Locked multiplier
  • UHD 730 graphics are basic
  • Harder to find than standard models
  • PL2 drops quickly to 35W
Intel Core i5-12500

Pros

  • Integrated UHD 770 graphics
  • Strong single-core performance
  • Supports DDR5 and PCIe 5.0
  • 65W base TDP
  • Good value for money

Cons

  • No E-cores
  • Locked multiplier
  • Stock cooler may struggle under sustained load

Competitors & Alternatives

Core i5-12400T

Intel Core i5-12500

  • AMD Ryzen 5 5600G

    Desktop

    Rival
  • Intel Core i5-12400

    Desktop

    Rival
  • AMD Ryzen 5 5600

    Desktop

    Rival
  • Intel Core i5-11400

    Desktop

    Rival
  • AMD Ryzen 7 5700G

    Desktop

    Rival
  • Intel Core i5-12400F
    Alt

    Better value if you already own a GPU.

  • AMD Ryzen 5 5600X
    Alt

    Strong competitor with mature platform.

  • Better multi-core and overclocking capabilities.

    Compare head-to-head
  • AMD Ryzen 5 7600
    Alt

    Next-gen AM5 platform option.

Our Verdict on Each

Core i5-12400TRecommended

An incredibly efficient 6-core CPU that delivers excellent everyday desktop performance with near-silent operation, perfect for compact builds.

Best for: Building a silent or compact PC where heat output is the primary concern.

Read the full review

A well-rounded processor offering excellent price-to-performance with the added safety net of integrated graphics.

Best for: The Core i5-12500 is a stellar choice for mainstream users who want a capable system without paying the K-series premium. It provides excellent single-core performance for gaming and handles everyday productivity with ease. The integrated graphics mean you can build a system now and add a dedicated GPU later. If you strictly play games and already own a GPU, the i5-12400F might save you money. However, if you value the higher clock speeds and UHD 770 graphics, the 12500 is a well-rounded investment that won't bottleneck mid-range GPUs. Pair it with a B660 motherboard for optimal cost efficiency.

Read the full review

Frequently Asked Questions

Which is better, Core i5-12400T or Intel Core i5-12500?

Based on our editorial ratings, the Intel Core i5-12500 comes out ahead with a score of 8.7/10. 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, Core i5-12400T or Intel Core i5-12500?

For gaming, the Intel Core i5-12500 leads with a gaming performance score of 86/100 among Core i5-12400T and Intel Core i5-12500.

Which uses less power?

The Core i5-12400T has the lowest rated TDP. Power draw across these chips: Core i5-12400T (35 W), Intel Core i5-12500 (65 W).

Do Core i5-12400T and Intel Core i5-12500 use the same socket?

Yes — all of these CPUs use the LGA 1700 socket, so they share compatible motherboards.

Which is faster in multi-core benchmarks?

The Intel Core i5-12500 posts the highest multi-core benchmark score. Multi-core results: Core i5-12400T (12,500), Intel Core i5-12500 (18,500). Benchmark figures are approximate and workload-dependent.