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Intel Core i5 10400T Review | 78 Data compared

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  • Avg. price in UK: ~£170
  • Avg. price in US: ~$120
  • PassMark benchmark result: 9813
  • N. of physical cores: 6
  • CPU boost clock speed: 3.6 GHz

Intel Core i5 10400T review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

4.2

Overall score

What it is: An overall evaluation of the processor's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best processors on the market.

Score components:

90.0%

4.2

Technical Score

10.0%

?

User score

Poor
4.2

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

3.4

Performance

18.0%

4.2

Cache & Architecture

10.0%

5.6

Memory & PCIe

7.0%

6.9

Power & Thermal

4.0%

8.1

Platform

1.0%

6.4

Integrated Graphics

Poor
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 3.1
    Gaming

    Score components:

    30.0%

    3.3

    PassMark single-core benchmark score

    25.0%

    3.2

    Geekbench 6 single-core benchmark score

    20.0%

    3.4

    CPU boost clock speed

    17.0%

    2.7

    L3 cache

    8.0%

    2.6

    N. of physical cores

  • 2.9
    Video editing

    Score components:

    45.0%

    2.6

    Geekbench 6 multi-core benchmark score

    20.0%

    2.6

    N. of physical cores

    20.0%

    4.0

    CPU threads

    15.0%

    2.7

    L3 cache

  • No image
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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Intel Core i5-10400T is a low-power, 10th Gen 'Comet Lake' desktop processor launched in Q2 2020, featuring 6 cores and 12 threads with a 2.00 GHz base frequency and 3.60 GHz max turbo boost. Built on the 14nm process and designed for the LGA 1200 socket, it includes 12 MB of Intel Smart Cache, supports up to 128 GB of DDR4-2666 memory, and integrates Intel UHD Graphics 630. Its primary advantages are its highly efficient 35W TDP, making it ideal for fanless or small form factor (SFF) builds where thermal management is critical, and its inclusion of Hyper-Threading for solid multitasking performance. However, its low clock speeds result in significantly lower single-core and gaming performance compared to its 65W counterparts, it lacks an unlocked multiplier for overclocking, and it is limited to older PCIe 3.0 technology.

Technical Specifications of processor Intel Core i5 10400T

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

?

Performance

18.0%

?

Cache & Architecture

10.0%

?

Memory & PCIe

7.0%

?

Power & Thermal

4.0%

?

Platform

1.0%

?

Integrated Graphics

4.2
Intel Core i5 10400T has a technical score of 4.22 points, which is lower than that of 74.6% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the processor.
When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.
1.0
Intel Core i5 10400T has a popularity of 1 points, which is higher than 0% of products in this category.
Ratio quality/price

What it is: An indicator that combines the processor's overall rating with its cost.

When it matters: When you are looking for a processor with a good balance between performance, efficiency, and price.

Score components:

60.0%

4.2

Overall score

40.0%

9.6

Price

5.8
Intel Core i5 10400T has a quality-to-price ratio of 5.8 points, which is lower than 73.6% of products in this category.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Intel
Processor type
What it is: The kind of system the processor is built for, such as desktop PCs, laptops, workstations, or servers.
When it matters: When you want a processor meant for the kind of machine you are actually building or buying, rather than a chip aimed at a different class of system.

Importance: HIGH

desktop
Intel Core i5 10400T belongs to the desktop processor class, which is more advanced than that of 56% of processors and equal to that of 37.9% of processors.
CPU socket
What it is: The physical socket the processor fits into on the motherboard.
When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

Importance: HIGH

LGA1200
Intel Core i5 10400T uses the LGA1200 CPU socket, which is newer than that of 69.9% of processors and equal to that of 4.5% of processors.
Chipset
What it is: The motherboard chipset families officially meant to work with the processor.
When it matters: When you are checking whether a CPU will work with the motherboard features and platform you plan to use.

Importance: HIGH

Z590, H570, B560, H510, Z490, H470, B460, H410, Q470, Q570, W480, W580
Intel Core i5 10400T supports Z590, H570, B560, H510, Z490, H470, B460, H410, Q470, Q570, W480, W580 chipsets, which is broader compatibility than 65.4% of processors and equal to that of 0.6% of processors.
CPU architecture
What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.
When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

x86-64
Intel Core i5 10400T uses the x86-64 architecture, which is more advanced than that of 1.7% of processors and equal to that of 98.3% of processors.
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N. of physical cores
What it is: The number of physical CPU cores on the processor.
When it matters: When you run workloads that benefit from more real cores.

Importance: HIGH

Good value: 8+

6
Intel Core i5 10400T has 6 CPU cores, which is more than 49.9% of processors and equal to 13.4% of processors.
CPU threads
What it is: The total number of processing threads the CPU can handle at once.
When it matters: When you run heavily threaded workloads or multitask a lot.

Importance: HIGH

Good value: 16+

12
Intel Core i5 10400T offers 12 CPU threads, which is more than 55.1% of processors and equal to 14.1% of processors.
Threads per core
What it is: The number of threads each physical core can handle at once.
When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

2
Intel Core i5 10400T offers 2 threads per core, which is more than 30.4% of processors and equal to 69.6% of processors.
CPU boost clock speed
What it is: The highest clock speed the processor can reach under boost conditions.
When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

3.6 GHz
Intel Core i5 10400T reaches a boost clock of 3.6 GHz which is lower than that of 76.7% of processors and equal to that of 3.6% of processors.
CPU base clock speed
What it is: The processor's normal all-core starting frequency before boost behavior raises clocks temporarily.
When it matters: When you care about steadier performance in longer workloads rather than short burst speed alone.

Importance: MEDIUM

6 x 2.0 GHz
Intel Core i5 10400T has a base clock of 6x2.0 GHz which is equal to that of 100% of processors.
Show more
Semiconductor size
What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.
When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.

Importance: HIGH

Good value: <10 nm

14 nm
Intel Core i5 10400T uses a 14 nm process node, which is older than that of 50.8% of processors and equal to that of 33.7% of processors.
Foundry
What it is: The semiconductor manufacturer that physically fabricates the processor chip.
When it matters: When process source, manufacturing generation, or foundry differences matter to your comparison more than day-to-day performance alone.

Importance: MEDIUM

Intel 14 nm
Intel Core i5 10400T is built on the Intel 14 nm foundry process, which is less advanced than that of 55.2% of processors and equal to that of 29.3% of processors.
L3 cache
What it is: The total amount of L3 cache available on the processor.
When it matters: When you want better performance in cache-sensitive workloads and games.

Importance: MEDIUM

Good value: >=16 MB

12 MB
Intel Core i5 10400T has an L3 cache of 12 MB which is larger than that of 54.4% of processors and equal to that of 9% of processors.
L2 cache
What it is: The total amount of L2 cache available across the processor.
When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

1.5 MB
Intel Core i5 10400T has an L2 cache of 1.5 MB which is smaller than that of 62.5% of processors and equal to that of 4.6% of processors.
L1 cache
What it is: The total amount of L1 cache built into the processor, which sits closest to the cores.
When it matters: When you are comparing low-level CPU design details rather than the broader performance picture buyers usually notice first.

Importance: MEDIUM

Good value: >=512 KB

384 KB
Intel Core i5 10400T has an L1 cache of 384 KB which is larger than that of 45% of processors and equal to that of 15.8% of processors.
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DDR memory version
What it is: The RAM generation the processor is designed to support, such as DDR4 or DDR5.
When it matters: When you need the CPU to match the kind of memory platform you want to buy or reuse.

Importance: MEDIUM

Good value: DDR5

DDR4
Intel Core i5 10400T supports DDR DDR4, which is newer than that of 26.3% of processors and equal to that of 31.7% of processors.
Maximum memory speed
What it is: The highest official memory speed supported by the processor.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=4800 MHz

2,666 MHz
Intel Core i5 10400T supports memory speeds up to 2666 MHz, which is lower than that of 55% of processors and equal to 8.1% of processors.
Max memory speed (JEDEC)
What it is: The highest official RAM speed the processor supports under standard JEDEC settings, before any memory overclocking profiles are applied.
When it matters: When officially supported stock RAM speed matters more than XMP, EXPO, or manual memory tuning.

Importance: MEDIUM

Good value: >=5600 MHz

DDR4-2666 MHz
Intel Core i5 10400T supports JEDEC memory speeds up to DDR4-2666 MHz, which is lower than that of 55.3% of processors and equal to 7.4% of processors.
Max memory speed (XMP / EXPO)
What it is: The highest memory speed supported through XMP or EXPO profiles.
When it matters: When you want faster RAM through memory profiles.

Importance: MEDIUM

Good value: >=5200 MHz

N/A
Maximum memory capacity
What it is: The largest total amount of memory officially supported by the processor.
When it matters: When you plan a system with very large RAM capacity.

Importance: HIGH

Good value: >=128 GB

128 GB
Intel Core i5 10400T supports up to 128 GB of memory, which is more than 61.9% of processors and equal to 21.4% of processors.
Show more
Integrated graphics
What it is: Includes built-in graphics, so the system can output video without a separate graphics card.
When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.

Importance: HIGH

yes
Intel Core i5 10400T includes integrated graphics. 87.6% of processors include integrated graphics.
Integrated GPU model
What it is: The model name of the integrated graphics processor, if present.
When it matters: When you plan to use the CPU's built-in graphics.

Importance: MEDIUM

Intel UHD Graphics 630
Intel Core i5 10400T uses the Intel UHD Graphics 630 integrated GPU, which is more advanced than that in 44.3% of processors and equal to that in 8.3% of processors.
Integrated GPU execution units
What it is: The number of execution units available in the integrated graphics part of the processor.
When it matters: When you plan to rely on built-in graphics and want a better sense of its light gaming, display, or media capability.

Importance: MEDIUM

Good value: >=24

24
Intel Core i5 10400T has 24 GPU execution units, which is more than 49.2% of processors and equal to 21.6% of processors.
Integrated GPU base frequency
What it is: The base operating frequency of the integrated GPU.
When it matters: When integrated graphics performance matters to you.

Importance: MEDIUM

Good value: >=350 MHz

350 MHz
Intel Core i5 10400T has an integrated GPU clock of 350 MHz which is higher than that of 43.5% of processors and equal to that of 29.6% of processors.
Integrated media encoders/decoders
What it is: The hardware media formats the processor can encode or decode directly.
When it matters: When you stream, edit video, or rely on hardware media acceleration.

Importance: LOW

VC-1 (HW decode)
Intel Core i5 10400T supports VC-1 (HW decode) media codecs, which is narrower support than 82.1% of processors and equal to 3.6% of processors.
Show more
TDP (Thermal design power)
What it is: The rated thermal design power, which gives a general idea of cooling and power needs.
When it matters: When you choose a cooler or build in a tighter case.

Importance: HIGH

Good value: <30 W

35 W
Intel Core i5 10400T has a TDP of 35 W which is lower than that of 51.8% of processors and equal to that of 14.8% of processors.
Base power (PL1)
What it is: The sustained power target used for longer CPU loads.
When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

35 W
Intel Core i5 10400T has a base power of 35 W which is lower than that of 51.7% of processors and equal to that of 15.1% of processors.
Boost power (PL2)
What it is: The short-term boost power limit the processor may draw under heavier turbo loads.
When it matters: When you size cooling and power delivery for peak turbo behavior.

Importance: MEDIUM

Good value: <50 W

?
Tau (power duration limit)
What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.
When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

28 seconds
Intel Core i5 10400T has a turbo duration of 28 seconds which is longer than that of 3.8% of processors and equal to that of 85% of processors.
Configurable TDP
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

yes
Intel Core i5 10400T supports configurable TDP. 52.9% of processors support configurable TDP.
cTDP: 25 W
Show more

Intel Core i5 10400T vs the average processor

  • Supports memory overclocking
    Intel Core i5 10400T supports memory overclocking, the average processor does not.
    What it is: Allows memory speeds beyond official stock settings through manual tuning or profile-based overclocking.
    When it matters: When you want to push RAM performance higher than stock support allows, especially in enthusiast or gaming builds.

    Importance: MEDIUM

    Intel Core i5 10400T supports memory overclocking, the average processor does not.
  • 2x more memory capacity
    Intel Core i5 10400T has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.
    What it is: The largest total amount of memory officially supported by the processor.
    When it matters: When you plan a system with very large RAM capacity.

    Importance: HIGH

    Good value: >=128 GB

    Intel Core i5 10400T has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.128 GB vs 64 GB
  • 4 more CPU threads
    Intel Core i5 10400T has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.
    What it is: The total number of processing threads the CPU can handle at once.
    When it matters: When you run heavily threaded workloads or multitask a lot.

    Importance: HIGH

    Good value: 16+

    Intel Core i5 10400T has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.12 vs 8
  • Modern CPU socket
    Intel Core i5 10400T uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).
    What it is: The physical socket the processor fits into on the motherboard.
    When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

    Importance: HIGH

    Intel Core i5 10400T uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).LGA1200 vs FP2
  • 50% larger L3 cache
    Intel Core i5 10400T has a higher L3 cache than the average processor (12 MB vs 8 MB). The average processor has L3 cache of 8 MB.
    What it is: The total amount of L3 cache available on the processor.
    When it matters: When you want better performance in cache-sensitive workloads and games.

    Importance: MEDIUM

    Good value: >=16 MB

    Intel Core i5 10400T has a higher L3 cache than the average processor (12 MB vs 8 MB). The average processor has L3 cache of 8 MB.12 MB vs 8 MB
  • 22.2% lower base power
    Intel Core i5 10400T has a lower base power draw than the average processor (35 W vs 45 W). The average processor has a base power draw of 45 W.
    What it is: The sustained power target used for longer CPU loads.
    When it matters: When you choose cooling and power delivery for sustained workloads.

    Importance: MEDIUM

    Good value: <30 W

    Intel Core i5 10400T has a lower base power draw than the average processor (35 W vs 45 W). The average processor has a base power draw of 45 W.35 W vs 45 W
  • Modern CPU socket
    Intel Core i5 10400T uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).
  • 4 more CPU threads
    Intel Core i5 10400T has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.
  • 50% larger L3 cache
    Intel Core i5 10400T has a higher L3 cache than the average processor (12 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • Supports memory overclocking
    Intel Core i5 10400T supports memory overclocking, the average processor does not.
  • 2x more memory capacity
    Intel Core i5 10400T has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.
  • 22.2% lower base power
    Intel Core i5 10400T has a lower base power draw than the average processor (35 W vs 45 W). The average processor has a base power draw of 45 W.

Total
Platform
Performance
Cache & Architecture
Memory & PCIe
Power & Thermal
  • No crypto acceleration
    Intel Core i5 10400T does not include crypto acceleration, the average processor does.
  • 16.3% lower boost clock
    Intel Core i5 10400T has a lower boost clock speed than the average processor (3.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 24.4% lower Cinebench R20 single-core score
    Intel Core i5 10400T has a lower Cinebench R20 single-core score than the average processor (366 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • 21.3% lower single-core score
    Intel Core i5 10400T has a lower Geekbench 6 single-core score than the average processor (1,157 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 14.1% weaker single-core performance
    Intel Core i5 10400T has a lower PassMark single-core score than the average processor (2,134 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 8 lower clock multiplier
    Intel Core i5 10400T has a lower clock multiplier than the average processor (20 vs 28). The average processor has a clock multiplier of 28.
  • Less advanced microarchitecture
    Intel Core i5 10400T uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
  • 16.7% larger process node
    Intel Core i5 10400T has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 50% less L2 per core
    Intel Core i5 10400T has less L2 cache per core than the average processor (0.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
  • 40% smaller L2 cache
    Intel Core i5 10400T has a lower L2 cache than the average processor (1.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 9.2% lower memory bandwidth
    Intel Core i5 10400T has a lower memory bandwidth than the average processor (41.6 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 9.1% lower memory speed
    Intel Core i5 10400T has a lower maximum memory speed than the average processor (2,666 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • 16.3% lower boost clock
    Intel Core i5 10400T has a lower boost clock speed than the average processor (3.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
    What it is: The highest clock speed the processor can reach under boost conditions.
    When it matters: When you care about peak speed in short bursts.

    Importance: HIGH

    Good value: >4.7 GHz

    Intel Core i5 10400T has a lower boost clock speed than the average processor (3.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.3.6 GHz vs 4.3 GHz
  • Less advanced microarchitecture
    Intel Core i5 10400T uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
    What it is: The internal core-design codename used for this processor generation.
    When it matters: When you are comparing CPUs at a deeper design level and want to identify the exact architecture behind marketing names.

    Importance: LOW

    Intel Core i5 10400T uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).Comet Lake vs Kaby Lake
  • 24.4% lower Cinebench R20 single-core score
    Intel Core i5 10400T has a lower Cinebench R20 single-core score than the average processor (366 vs 484). The average processor scores 484 in Cinebench R20 single-core.
    What it is: A Cinebench R20 benchmark score that reflects single-core CPU performance.
    When it matters: When you care about lighter workloads, interface responsiveness, or software that still depends heavily on one fast core.

    Importance: HIGH

    Good value: >600

    Intel Core i5 10400T has a lower Cinebench R20 single-core score than the average processor (366 vs 484). The average processor scores 484 in Cinebench R20 single-core.366 vs 484
  • 21.3% lower single-core score
    Intel Core i5 10400T has a lower Geekbench 6 single-core score than the average processor (1,157 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
    What it is: A Geekbench 6 score that reflects single-core CPU performance in mixed modern workloads.
    When it matters: When you care about snappy everyday performance in lighter apps, browsing, office work, or tasks that do not scale well across many cores.

    Importance: HIGH

    Good value: >2000

    Intel Core i5 10400T has a lower Geekbench 6 single-core score than the average processor (1,157 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.1,157 vs 1,471
  • 16.7% larger process node
    Intel Core i5 10400T has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.
    What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.
    When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.

    Importance: HIGH

    Good value: <10 nm

    Intel Core i5 10400T has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.14 nm vs 12 nm
  • 14.1% weaker single-core performance
    Intel Core i5 10400T has a lower PassMark single-core score than the average processor (2,134 vs 2,483). The average processor scores 2,483 in PassMark single-core.
    What it is: A benchmark score that reflects single-core CPU performance.
    When it matters: When you care about responsiveness in lighter or older software.

    Importance: HIGH

    Good value: >3200

    Intel Core i5 10400T has a lower PassMark single-core score than the average processor (2,134 vs 2,483). The average processor scores 2,483 in PassMark single-core.2,134 vs 2,483
  • 50% less L2 per core
    Intel Core i5 10400T has less L2 cache per core than the average processor (0.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
    What it is: The amount of L2 cache available to each CPU core.
    When it matters: When you are comparing per-core cache resources in deeper architectural analysis.

    Importance: LOW

    Good value: >=1 MB/core

    Intel Core i5 10400T has less L2 cache per core than the average processor (0.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.0.25 MB/core vs 0.5 MB/core
  • 40% smaller L2 cache
    Intel Core i5 10400T has a lower L2 cache than the average processor (1.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
    What it is: The total amount of L2 cache available across the processor.
    When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

    Importance: MEDIUM

    Good value: >=6 MB

    Intel Core i5 10400T has a lower L2 cache than the average processor (1.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.1.5 MB vs 2.5 MB
Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe

Graphic comparison of Intel Core i5 10400T and other processors

Attribute category
Attribute
No results found

Third-party reviews

What customers like about Intel Core i5 10400T?

  • Extremely energy-efficient with a low 35W TDP, making it ideal for small form factor (SFF) builds and home servers.
  • Operates with very low heat output, often staying quiet even with basic cooling solutions.
  • Features 6 cores and 12 threads, providing solid multitasking and productivity performance for its power class.
  • Includes Intel QuickSync, which is highly valued by users for efficient video transcoding in media servers like Plex.
  • Reliable performance for everyday office tasks, web browsing, and light 3D applications.

What customers dislike about Intel Core i5 10400T?

  • Significantly lower clock speeds (2.0 GHz base) compared to the standard i5-10400, leading to a noticeable performance drop in demanding tasks.
  • Not recommended for dedicated gaming; users report it can become a bottleneck for modern titles and high-end GPUs.
  • Locked multiplier prevents any traditional overclocking to recover lost speed.
  • Memory speed is often limited to 2666 MHz on most compatible non-Z series motherboards.
  • Integrated UHD 630 graphics are aging and struggle with anything beyond basic visual tasks.

Expert reviews

B
browser.geekbench.com
01/03/2026
Intel Core i5-10400T Benchmarks - Geekbench Browser

The Intel Core i5-10400T is a 10th-generation "Comet Lake" desktop processor optimized for low power consumption and thermal output. Featuring 6 cores, 12 threads, and a 35W TDP, this CPU is engineered for small form factor systems and quiet operation, distinguishing it from the 65W i5-10400. Key advantages include high efficiency, support for 128GB of RAM, and improved multitasking...Read more

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cpubenchmark.net
Q3 2020
Intel Core i5-10400T @ 2.00GHz - CPU Benchmarks

The Intel Core i5-10400T is a 10th-generation "Comet Lake" desktop processor featuring 6 cores and 12 threads with a 35W TDP. A key pro is its high energy efficiency, making it suitable for compact, low-heat systems with integrated Intel UHD Graphics 630. With a PassMark score of approximately 9,814 and support for Hyper-Threading, it offers decent mid-range performance,...Read more

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cpu.userbenchmark.com
01/03/2026
Intel Core i5-10400T - CPU UserBenchmarks

The Intel Core i5-10400T is a 10th Gen Comet Lake desktop processor designed for high efficiency, featuring 6 cores and 12 threads with a 35W TDP that makes it ideal for small form-factor, low-heat systems. It offers strong 15% better multi-threaded performance over the i3-10100 and includes Intel UHD Graphics 630 for basic display tasks. However, the chip is roughly 18% slower than...Read more

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hardwaredealz.com
23/06/2026
Intel Core i5-10400T vs. Intel Core i5-10500T: Comparison

The Intel Core i5-10500T offers superior performance with a 2.3 GHz base clock, delivering 4-7% higher benchmarks and better single/multi-core speeds than the i5-10400T, though its marginal gains often fail to justify the price premium. The i5-10400T, featuring a 2.0 GHz base clock, serves as the budget-friendly alternative with identical core counts (6C/12T) and a 35W TDP,...Read more

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valid.x86.fr
23/06/2026
CPU-Z Benchmark for Intel Core i5-10400T (8T)

The Intel Core i9-14900KS, validated in this CPU-Z result, is a 24-core (8 E) Raptor Lake Refresh desktop processor, achieving a record-setting 6.2 GHz maximum turbo frequency out of the box. A key pro for enthusiasts is this industry-leading single-core speed, offering exceptional responsiveness and high-end gaming performance, exceeding the previous i9-13900KS. However, the...Read more

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browser.geekbench.com
28/03/2026
Intel Core i5-10400T Benchmarks - Geekbench Browser

The Intel Core i5-10400T is a 10th-generation desktop processor optimized for energy efficiency, featuring 6 cores and 12 threads with a 35W TDP for compact, low-heat builds. While designed for silent operation, it sacrifices performance, running roughly 17–25% slower than the standard 65W i5-10400. Key advantages include its suitability for quiet workstations, 12MB Smart Cache for...Read more

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cpu.userbenchmark.com
29/03/2026
Intel Core i5-10400T - CPU UserBenchmarks (Data and Tests Italy)

The Intel Core i5-10400T is a 10th-generation "Comet Lake" desktop processor designed for efficiency, featuring six cores, 12 threads, and a low 35W TDP (configurable to 25W). It operates at a 2.0 GHz base, boosting to 3.6 GHz, making it ideal for quiet or small form factor PCs. Key advantages include Hyper-Threading and integrated Intel UHD Graphics 630, which are suitable for...Read more

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