OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

Intel Core i5 10400H Review | 78 Data compared

double-arrow
  • Avg. price in UK: ~£170
  • Avg. price in US: ~$250
  • PassMark benchmark result: 8199
  • N. of physical cores: 4
  • CPU boost clock speed: 4.6 GHz

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

4.6

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%

4.6

Technical Score

10.0%

?

User score

Poor
4.6

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%

4.1

Performance

18.0%

4.2

Cache & Architecture

10.0%

5.7

Memory & PCIe

7.0%

6.3

Power & Thermal

4.0%

8.0

Platform

1.0%

7.1

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

  • 4.1
    Gaming

    Score components:

    30.0%

    4.3

    PassMark single-core benchmark score

    25.0%

    3.9

    Geekbench 6 single-core benchmark score

    20.0%

    6.4

    CPU boost clock speed

    17.0%

    2.1

    L3 cache

    8.0%

    1.8

    N. of physical cores

  • 2.3
    Video editing

    Score components:

    45.0%

    2.4

    Geekbench 6 multi-core benchmark score

    20.0%

    1.8

    N. of physical cores

    20.0%

    2.8

    CPU threads

    15.0%

    2.1

    L3 cache

  • No image
No image

Best prices in UK

    N/A~ £170

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 i5-10400H is a 10th-generation Comet Lake-H mobile processor built on a 14nm++ process, featuring 4 cores and 8 threads with a base frequency of 2.6 GHz and a maximum turbo boost of 4.6 GHz. Equipped with an 8MB Intel Smart Cache and a 45W TDP, it supports up to 128GB of DDR4-2933 RAM and includes integrated Intel UHD Graphics 630. Main pros include solid single-core performance for productivity, support for advanced features like vPro and Wi-Fi 6, and a configurable TDP-down to 35W for improved thermal management in thinner laptops. However, notable cons include its limitation to four physical cores compared to six-core desktop counterparts, a lack of overclocking support, and a tendency to run hot in laptops with insufficient cooling solutions.

Technical Specifications of processor Intel Core i5 10400H

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

4.6
Intel Core i5 10400H has a technical score of 4.61 points, which is lower than that of 63.2% 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 10400H 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%

4.6

Overall score

40.0%

9.6

Price

6.1
Intel Core i5 10400H has a quality-to-price ratio of 6.1 points, which is lower than 61% 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

mobile
Intel Core i5 10400H belongs to the mobile processor class, which is more advanced than that of 7.3% of processors and equal to that of 48.6% 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

FCBGA1440
Intel Core i5 10400H uses the FCBGA1440 CPU socket, which is older than that of 81.4% of processors and equal to that of 4.8% 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

?
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 10400H 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.
Show more
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+

4
Intel Core i5 10400H has 4 CPU cores, which is fewer than 50.7% of processors and equal to 28.5% 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+

8
Intel Core i5 10400H offers 8 CPU threads, which is more than 35.3% of processors and equal to 19% 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 10400H 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

4.6 GHz
Intel Core i5 10400H reaches a boost clock of 4.6 GHz which is higher than that of 62.4% of processors and equal to that of 4.5% 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

4 x 2.6 GHz
Intel Core i5 10400H has a base clock of 4x2.6 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 10400H 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 10400H 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

8 MB
Intel Core i5 10400H has an L3 cache of 8 MB which is larger than that of 39.7% of processors and equal to that of 11.8% 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 MB
Intel Core i5 10400H has an L2 cache of 1 MB which is smaller than that of 67.1% of processors and equal to that of 17.6% 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

256 KB
Intel Core i5 10400H has an L1 cache of 256 KB which is smaller than that of 59.4% of processors and equal to that of 18.5% of processors.
Show more
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 10400H 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

2,933 MHz
Intel Core i5 10400H supports memory speeds up to 2933 MHz, which is higher than that of 46.3% of processors and equal to 5.1% 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

DDR4-2933 MHz
Intel Core i5 10400H supports JEDEC memory speeds up to DDR4-2933 MHz, which is higher than that of 46.8% of processors and equal to 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 10400H 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 10400H 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 10400H 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 10400H 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 10400H 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

H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), VP8 (HW decode/encode), MPEG-2 (HW decode), VC-1 (HW dec
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

45 W
Intel Core i5 10400H has a TDP of 45 W which is lower than that of 39.9% of processors and equal to that of 11.4% 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

45 W
Intel Core i5 10400H has a base power of 45 W which is lower than that of 39.7% of processors and equal to that of 11.6% 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

90 W
Intel Core i5 10400H has a boost power of 90 W which is higher than that of 64.8% of processors and equal to that of 1.5% of processors.
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 10400H 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 10400H supports configurable TDP. 52.9% of processors support configurable TDP.
cTDP: 35 W
Show more

Intel Core i5 10400H vs the average processor

  • 4.67x more L3 per core
    Intel Core i5 10400H has more L3 cache per core than the average processor (8 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
    What it is: The amount of L3 cache effectively available per CPU core.
    When it matters: When you are comparing how much shared cache each core can draw on in deeper technical analysis.

    Importance: MEDIUM

    Good value: >=2 MB/core

    Intel Core i5 10400H has more L3 cache per core than the average processor (8 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.8 MB/core vs 1.714 MB/core
  • 75.6% faster classroom rendering
    Intel Core i5 10400H has a lower Blender Classroom render time than the average processor (1,390.7 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
    What it is: A Blender render result based on the Classroom scene, used to show how quickly the processor can complete a demanding rendering workload.
    When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.

    Importance: HIGH

    Good value: >1500

    Intel Core i5 10400H has a lower Blender Classroom render time than the average processor (1,390.7 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.1,390.69 vs 791.745
  • 2x more memory capacity
    Intel Core i5 10400H 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 10400H 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
  • 29.2% smaller die size
    Intel Core i5 10400H has a lower die size than the average processor (126 mm² vs 178 mm²). The average processor has a die size of 178 mm².
    What it is: The physical area of the processor die, usually measured in square millimeters.
    When it matters: When you are comparing chip scale, packaging density, or broader design differences rather than direct user-visible performance.

    Importance: LOW

    Good value: <150 mm²

    Intel Core i5 10400H has a lower die size than the average processor (126 mm² vs 178 mm²). The average processor has a die size of 178 mm².126 mm² vs 178 mm²
  • 7% higher boost clock
    Intel Core i5 10400H has a higher boost clock speed than the average processor (4.6 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 10400H has a higher boost clock speed than the average processor (4.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.4.6 GHz vs 4.3 GHz
  • 75.6% faster classroom rendering
    Intel Core i5 10400H has a lower Blender Classroom render time than the average processor (1,390.7 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
  • 7% higher boost clock
    Intel Core i5 10400H has a higher boost clock speed than the average processor (4.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 4.67x more L3 per core
    Intel Core i5 10400H has more L3 cache per core than the average processor (8 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
  • 29.2% smaller die size
    Intel Core i5 10400H has a lower die size than the average processor (126 mm² vs 178 mm²). The average processor has a die size of 178 mm².
  • 2x more memory capacity
    Intel Core i5 10400H has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.

Total
Performance
Cache & Architecture
Memory & PCIe
  • Older CPU socket
    Intel Core i5 10400H uses an older CPU socket than the average processor (FCBGA1,440 vs FP2).
  • No crypto acceleration
    Intel Core i5 10400H does not include crypto acceleration, the average processor does.
  • 2 fewer CPU cores
    Intel Core i5 10400H has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.
  • 22.2% lower PassMark score
    Intel Core i5 10400H has a lower PassMark benchmark score than the average processor (8,199 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 16.3% lower multi-core score
    Intel Core i5 10400H has a lower Geekbench 6 multi-core score than the average processor (4,014 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 5.2% lower single-core score
    Intel Core i5 10400H has a lower Geekbench 6 single-core score than the average processor (1,394 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • Less advanced microarchitecture
    Intel Core i5 10400H uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
  • 16.7% larger process node
    Intel Core i5 10400H has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 60% smaller L2 cache
    Intel Core i5 10400H has a lower L2 cache than the average processor (1 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 50% less L2 per core
    Intel Core i5 10400H 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.
  • 33.3% smaller L1 cache
    Intel Core i5 10400H has a lower L1 cache than the average processor (256 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • 40.6% higher boost power
    Intel Core i5 10400H has a higher boost power draw than the average processor (90 W vs 64 W). The average processor has a boost power draw of 64 W.
  • Less advanced microarchitecture
    Intel Core i5 10400H 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 10400H uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).Comet Lake vs Kaby Lake
  • 2 fewer CPU cores
    Intel Core i5 10400H has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU 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+

    Intel Core i5 10400H has fewer CPU cores than the average processor (4 vs 6). The average processor has 6 CPU cores.4 vs 6
  • 16.7% larger process node
    Intel Core i5 10400H 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 10400H 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
  • 50% less L2 per core
    Intel Core i5 10400H 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 10400H 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
  • 60% smaller L2 cache
    Intel Core i5 10400H has a lower L2 cache than the average processor (1 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 10400H has a lower L2 cache than the average processor (1 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.1 MB vs 2.5 MB
  • 40.6% higher boost power
    Intel Core i5 10400H has a higher boost power draw than the average processor (90 W vs 64 W). The average processor has a boost power draw of 64 W.
    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

    Intel Core i5 10400H has a higher boost power draw than the average processor (90 W vs 64 W). The average processor has a boost power draw of 64 W.90 W vs 64 W
  • 33.3% smaller L1 cache
    Intel Core i5 10400H has a lower L1 cache than the average processor (256 KB vs 384 KB). The average processor has L1 cache of 384 KB.
    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

    Intel Core i5 10400H has a lower L1 cache than the average processor (256 KB vs 384 KB). The average processor has L1 cache of 384 KB.256 KB vs 384 KB
  • No crypto acceleration
    Intel Core i5 10400H does not include crypto acceleration, the average processor does.
    What it is: Built-in hardware support for accelerating encryption and cryptographic tasks.
    When it matters: When encryption speed or secure workloads matter to you.

    Importance: LOW

    Intel Core i5 10400H does not include crypto acceleration, the average processor does.AES vs AES, SHA
Total
Overall
Platform
Performance
Cache & Architecture
Power & Thermal

Graphic comparison of Intel Core i5 10400H and other processors

Attribute category
Attribute
No results found

Third-party reviews

What customers like about Intel Core i5 10400H?

  • High turbo clock speeds up to 4.6 GHz for responsive single-core performance
  • Supports Hyper-Threading (4 cores, 8 threads), which helps with multitasking and threaded workloads
  • Stable performance under sustained load in laptops with adequate cooling systems
  • Good value for budget-to-midrange gaming laptops when paired with a discrete GPU
  • Included support for business-oriented management features like vPro, TXT, and SIPP

What customers dislike about Intel Core i5 10400H?

  • High 45W TDP requires a robust and often noisy cooling solution to prevent thermal throttling
  • Significant battery drain under load due to the older 14nm process technology
  • Integrated Intel UHD Graphics 630 is weak and struggling with modern games even at low settings
  • Limited to 4 physical cores, which some users consider a bottleneck for modern AAA gaming compared to newer 6-core options
  • Locked multiplier prevents traditional overclocking

Expert reviews

C
cpubenchmark.net
30/06/2026
Intel Core i5-10400H @ 2.60GHz - CPU Benchmarks

The Intel Core i5-10400H is a 14nm 4-core/8-thread mobile processor from Q3 2020, featuring a 2.6 GHz base clock and 4.6 GHz turbo, designed for business-class laptops, which is now largely outclassed by 6-core and 8-core competitors. Its primary pros include respectable single-thread performance for daily tasks and solid support for business management features. However, its 4-core...Read more

C
cpu.userbenchmark.com
01/04/2020
Intel Core i5-10400H - CPU UserBenchmarks

The Intel Core i5-10400H is a 4-core, 8-thread Comet Lake-H mobile processor operating at 2.6 GHz with a 4.6 GHz turbo boost. According to UserBenchmark, it achieves an 84.5% average bench score, offering solid, consistent performance for mid-range laptops. Key pros include support for DDR4-2933 memory and inclusion of vPro/TXT professional features. However, cons include high power...Read more

L
laptopmedia.com
14/07/2021
Intel Core i5-10400H - LaptopMedia Benchmarks

The Intel Core i5-10400H is a 10th-generation, 45W quad-core processor built on the Comet Lake-H architecture, offering base/boost clocks of 2.6/4.6 GHz and vPro security features. Key advantages include strong single-core performance for productivity and support for DDR4-2933 memory, though the aging 14nm process leads to high thermal output, requiring capable cooling systems....Read more

P
principledtechnologies.com
10/09/2020
Core i5 10400H productivity and compute intensive tasks

A Principled Technologies report reveals the Dell Latitude 5511 with an Intel Core i5-10400H processor significantly outperforms the i5-10310U-equipped Latitude 5510 in productivity, media, and compute-intensive tasks. The 45W H-series processor demonstrates substantial advantages, including 38% faster Linux kernel compilation and 21% faster Adobe Lightroom Classic performance....Read more

V
valid.x86.fr
12/10/2025
CPU-Z Benchmark for Intel Core i5-10400H (4T)

The CPU-Z benchmark bj3773/4 highlights the 8-core, 16-thread AMD Ryzen 7 3700X operating at a 3.6 GHz base clock on the AM4 platform. It showcases strong, efficient multi-core performance suitable for productivity and gaming, balanced by a 65W TDP. While offering excellent value, the processor trails in single-core performance compared to newer alternatives and requires a discrete...Read more

(Translated)Show original
V
valid.x86.fr
15/12/2025
CPU-Z Benchmark for Intel Core i5-10400H (6T)

This CPU-Z validation highlights the performance of a 6-core AMD Phenom II X6 1100T processor, which shows consistent, reliable multi-core capabilities for its generation, achieving roughly 829 points in 6-thread testing. The setup is suitable for legacy applications and moderate multitasking, offering stability, though single-core performance is severely limited compared to modern...Read more

(Translated)Show original
V
valid.x86.fr
29/03/2026
CPU-Z Single-Core Benchmark for Intel Core i5-10400H

The CPU-Z validation for the Intel Core i5-10400H (Comet Lake) reports a single-thread (1T) score of 528 and a multi-thread (nT) score of 2684, positioning it as a capable mid-range mobile processor. A key pro is its solid single-core efficiency for everyday tasks and a 6-core/12-thread configuration that remains respectable for older workflows. However, a significant con is that...Read more

(Translated)Show original
L
laptopmedia.com
13/11/2020
Intel Core i5-10400H - Specifications and Benchmarks

The Intel Core i5-10400H is a 14nm Comet Lake-H processor featuring four cores, eight threads, and a 45W TDP, designed for performance-focused laptops [LaptopMedia review]. It offers robust intermediate multitasking, supports faster DDR4-2933 memory, and includes professional features like Intel vPro [LaptopMedia review]. While capable of high boost speeds, it faces limitations due...Read more

(Translated)Show original
R
refurbed.es
30/06/2026
Dell Latitude 15 5511 | i5-10400H | 15.6" 8 GB | 256 GB SSD Do you need to compare the technical performance of this specific model with its desktop v...

The Dell Latitude 15 5511 (Core i5-10400H) is a performance-oriented business laptop utilizing a 10th Gen "H-series" processor, offering significantly more power than standard low-voltage alternatives. Built with a robust chassis containing 18% recycled carbon fiber, this device is designed for durability and sustainability. Key strengths include an excellent, clicky keyboard and...Read more

(Translated)Show original
L
laptopmedia.com
02/04/2020
Intel Core i5-10400H - Specifications and Benchmark Tests

The Intel Core i5-10400H is a 14nm Comet Lake H-series processor featuring 4 cores, 8 threads, and a 45W TDP, designed for mid-range gaming and multimedia laptops. It delivers a 2.60 GHz base clock with boosts up to 4.60 GHz, supporting DDR4-2933 RAM to provide decent performance for general computing. While offering solid single-core responsiveness and business-friendly features...Read more

(Translated)Show original
R
refurbed.nl
Undated
Dell Latitude 15 5511 - i5-10400H - Refurbished Laptop Review/Overview

The Dell Latitude 15 5511 is a robust 15.6-inch business laptop featuring a high-performance 10th Gen Intel Core i5-10400H processor, extensive upgradability up to 64GB RAM, and a durable chassis. Key advantages include comprehensive I/O connectivity (Thunderbolt 3), a comfortable keyboard with a numpad, and long battery life with ExpressCharge technology. However, the display...Read more

(Translated)Show original

Video reviews

Best alternatives

intel-core-ultra-9-285k
Intel Core Ultra 9 285K

Processors

8.9
amd-ryzen-threadripper-pro-9965wx
AMD Ryzen Threadripper Pro 9965WX

Processors

8.8
amd-ryzen-threadripper-pro-9995wx
AMD Ryzen Threadripper Pro 9995WX

Processors

8.8
amd-ryzen-threadripper-9960x
AMD Ryzen Threadripper 9960X

Processors

8.8
amd-ryzen-threadripper-7970x
AMD Ryzen Threadripper 7970X

Processors

8.7
amd-ryzen-threadripper-pro-9985wx
AMD Ryzen Threadripper Pro 9985WX

Processors

8.7
intel-core-ultra-9-285
Intel Core Ultra 9 285

Processors

8.6
amd-ryzen-threadripper-pro-9975wx
AMD Ryzen Threadripper Pro 9975WX

Processors

8.6
amd-ryzen-threadripper-pro-7985wx
AMD Ryzen Threadripper Pro 7985WX

Processors

8.6
amd-ryzen-9-9950x3d
AMD Ryzen 9 9950x3d

Processors

8.6
intel-core-i9-13900k
Intel Core i9 13900K

Processors

8.5
amd-ryzen-threadripper-pro-7965wx
AMD Ryzen Threadripper Pro 7965WX

Processors

8.5

Compare Intel Core i5 10400H with other processors

VS
VS

Compare