CPU Comparison

Core i5-12400T vs Intel Core i7-11700T

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.

Top pick
Intel · Core i5
Core i5-12400T
6C / 12T4.2 GHz35 W
8.5
Full review
Intel · Core i7
Intel Core i7-11700T
8C / 16T4.6 GHz35 W
7
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
12th Gen
11th Generation
Launched
2022
2021
Status
Active
End-of-life
Codename
Alder Lake-S
Rocket Lake
Series
Core i5
Core i7
Family
Alder Lake
Rocket Lake-S
Predecessor
Intel Core i5-11400T
Intel Core i7-10700T
Successor
Intel Core i5-13400T
Intel Core i7-12700T

Specifications Compared

Cores & Clocks
Cores
6
8
Threads
12
16
Base Clock
1.8 GHz
1.4 GHz
Boost Clock
4.2 GHz
4.6 GHz
Cache & Power
L3 Cache
18 MB
16 MB
TDP
35 W
35 W
Architecture
Architecture
Alder Lake-S
Rocket Lake
Process Node
Intel 7 (10nm)
14nm
Memory
Memory Type
DDR4, DDR5
DDR4
Memory Speed
DDR5-4800, DDR4-3200
3200 MT/s
Memory Channels
Dual (2)
Dual (2)
Max Memory
256 GB
128 GB
Platform & I/O
Socket
LGA 1700
LGA 1200
PCIe Version
PCIe 5.0
PCIe 4.0
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 i7-11700T75

Handles office tasks and moderate compilation well, but slows down in sustained all-core workloads.

Gaming

Core i5-12400TBest75

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

Intel Core i7-11700T60

The low base clock can cause stuttering in CPU-heavy games unless the turbo is aggressively sustained.

Virtualization

Core i5-12400TBest72

6 cores with 12 threads handle homelab virtualization well.

Intel Core i7-11700T65

8 cores are nice, but power limits throttle heavy VM deployments.

Efficiency

Core i5-12400TBest98

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

Intel Core i7-11700T95

Outstanding efficiency, drawing minimal power at idle and under load.

Specialized Performance

AI / ML

Core i5-12400TLimited
  • No dedicated AI hardware
  • CPU-based AI inference is slow
Intel Core i7-11700TLow
  • Not suitable for heavy AI workloads due to power throttling

Content Creation

Core i5-12400TGood
Premiere Pro (1080p)PhotoshopLight CodingOBS Studio
Intel Core i7-11700TGood
Light PhotoshopSpreadsheet Macros4K Video Playback

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 i7-11700TModerate
  • Low base clock affects minimum FPS
  • Fine for casual or older games
  • Pair with a low-power GPU for best results

Industry Impact

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

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
Office Productivity
Excellent
4K Media Playback
Excellent
Compact Builds
Excellent
Gaming
Moderate

Target Audience

Gamers
Content Creators
Targeted
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
Intel Core i7-11700T

Pros

  • Extremely low 35W TDP
  • Includes 8 cores and 16 threads
  • Built-in UHD 750 graphics
  • Supports PCIe 4.0

Cons

  • Very low base clock of 1.4 GHz
  • End-of-life platform
  • Overpriced compared to 65W variants
  • Throttles quickly under sustained load

Competitors & Alternatives

Core i5-12400T

Intel Core i7-11700T

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

Great for specialized SFF builds needing 8 cores at 35W, but the low base clock heavily limits out-of-the-box performance compared to 65W parts.

Best for: Building a PC inside a severely thermally constrained Mini-ITX case.

Read the full review

Frequently Asked Questions

Which is better, Core i5-12400T or Intel Core i7-11700T?

Based on our editorial ratings, the Core i5-12400T 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, Core i5-12400T or Intel Core i7-11700T?

For gaming, the Core i5-12400T leads with a gaming performance score of 75/100 among Core i5-12400T and Intel Core i7-11700T.

Do Core i5-12400T and Intel Core i7-11700T use the same socket?

No. They use different sockets (Core i5-12400T: LGA 1700, Intel Core i7-11700T: LGA 1200), so each needs a compatible motherboard.

Which has more cores?

The Intel Core i7-11700T has the most cores. Core counts: Core i5-12400T (6 cores), Intel Core i7-11700T (8 cores).

Which is faster in multi-core benchmarks?

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