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CPU Comparison

Core i5-12400T vs Core i5-12500T

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
Core i5-12500T
6C / 12T4.4 GHz35 W
8.6
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
Alder Lake
Predecessor
Intel Core i5-11400T
Intel Core i5-11500T
Successor
Intel Core i5-13400T
Intel Core i5-13500T

Specifications Compared

Cores & Clocks
Cores
6
6
Threads
12
12
Base Clock
1.8 GHz
2 GHz
Boost Clock
4.2 GHz
4.4 GHz
Cache & Power
L3 Cache
18 MB
18 MB
TDP
35 W
35 W
Architecture
Architecture
Alder Lake-S
Alder Lake-S
Process Node
Intel 7 (10nm)
Intel 7 (10nm)
Memory
Memory Type
DDR4, DDR5
DDR4, DDR5
Memory Speed
DDR5-4800, DDR4-3200
DDR5-4800, DDR4-3200
Memory Channels
Dual (2)
Dual (2)
Max Memory
256 GB
256 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 i5-12400T82

Highly responsive for daily applications and moderate multitasking.

Core i5-12500TBest85

Highly capable for standard desktop applications and multitasking.

Gaming

Core i5-12400TBest75

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

Core i5-12500T72

Good with a dGPU. The UHD 770 iGPU can handle very light e-sports only.

Virtualization

Core i5-12400T72

6 cores with 12 threads handle homelab virtualization well.

Core i5-12500TBest74

6C/12T handles homelab virtualization perfectly.

Efficiency

Core i5-12400TBest98

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

Core i5-12500T97

One of the most efficient desktop CPUs available.

Specialized Performance

AI / ML

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

Content Creation

Core i5-12400TGood
Premiere Pro (1080p)PhotoshopLight CodingOBS Studio
Core i5-12500TLimited
PhotoshopLightroomVideo PlaybackOBS Studio

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
Core i5-12500TFair
  • UHD 770 is only slightly better than UHD 730
  • Still not a gaming GPU
  • Great for living room 4K video playback

Industry Impact

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

Best CPU by Use Case

SFF Office PC
Excellent
Home Theater PC
Excellent
Excellent
Casual Gaming (with dGPU)
Good
Software Development
Good
NAS / Home Server
Excellent
SFF Desktop
Excellent
Office Multitasking
Good
Home Server
Excellent
Light Gaming (iGPU)
Fair

Target Audience

Gamers
Content Creators
Developers
Targeted
Targeted
Workstation Users
Streamers
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
Core i5-12500T

Pros

  • UHD 770 graphics
  • Low 35W TDP
  • 4.4 GHz boost clock
  • Pure P-core design
  • PCIe 5.0 support

Cons

  • Hard to find retail
  • Locked multiplier
  • Premium price over 12400T
  • iGPU still weak for gaming
  • Sustained turbo limited by TDP

Competitors & Alternatives

Core i5-12400T

Core i5-12500T

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
Core i5-12500TRecommended

A highly efficient 6-core CPU with better integrated graphics than the 12400T, making it perfect for compact, display-heavy setups.

Best for: Building a quiet, compact PC where strong iGPU output is needed for multiple monitors.

Read the full review

Frequently Asked Questions

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

Based on our editorial ratings, the Core i5-12500T comes out ahead with a score of 8.6/10. 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 Core i5-12500T?

For gaming, the Core i5-12400T leads with a gaming performance score of 75/100 among Core i5-12400T and Core i5-12500T.

Do Core i5-12400T and Core i5-12500T 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 Core i5-12500T posts the highest multi-core benchmark score. Multi-core results: Core i5-12400T (12,500), Core i5-12500T (13,500). Benchmark figures are approximate and workload-dependent.