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Intel Pentium Gold 6405U Review | 78 Data compared

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  • Avg. price in UK: ~£130
  • Avg. price in US: ~$160
  • PassMark benchmark result: 2355
  • N. of physical cores: 2
  • CPU boost clock speed: N/A GHz

Intel Pentium Gold 6405U review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

3.5

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%

3.5

Technical Score

10.0%

?

User score

Poor
3.5

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%

2.7

Performance

18.0%

3.5

Cache & Architecture

10.0%

3.9

Memory & PCIe

7.0%

7.2

Power & Thermal

4.0%

7.3

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

  • 1.1
    Gaming

    Score components:

    30.0%

    1.5

    PassMark single-core benchmark score

    25.0%

    1.3

    Geekbench 6 single-core benchmark score

    20.0%

    0.0

    CPU boost clock speed

    17.0%

    1.3

    L3 cache

    8.0%

    1.0

    N. of physical cores

  • 1.3
    Video editing

    Score components:

    45.0%

    1.2

    Geekbench 6 multi-core benchmark score

    20.0%

    1.0

    N. of physical cores

    20.0%

    1.6

    CPU threads

    15.0%

    1.3

    L3 cache

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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 Pentium Gold 6405U is an entry-level, dual-core mobile processor from the 10th Gen Comet Lake series, released in late 2019 using a 14nm lithography. It features 2 cores and 4 threads via Hyper-Threading, a fixed base clock speed of 2.40 GHz (with no Turbo Boost), 2 MB of Intel Smart Cache, and a 15W TDP. Main pros include its power efficiency for thin-and-light laptops, support for up to 64GB of DDR4-2400 memory, and integrated Intel UHD Graphics 610 which supports 4K at 60Hz. However, its primary cons are the lack of Turbo Boost technology, a low core count that limits multitasking, and its unsuitability for demanding applications or modern gaming.

Technical Specifications of processor Intel Pentium Gold 6405U

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

3.5
Intel Pentium Gold 6405U has a technical score of 3.51 points, which is lower than that of 94.6% 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 Pentium Gold 6405U 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%

3.5

Overall score

40.0%

9.8

Price

5.4
Intel Pentium Gold 6405U has a quality-to-price ratio of 5.4 points, which is lower than 88.4% 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 Pentium Gold 6405U 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

FCBGA1528
Intel Pentium Gold 6405U uses the FCBGA1528 CPU socket, which is older than that of 76.7% of processors and equal to that of 1.7% 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

Intel 400 Series, Intel 500 Series
Intel Pentium Gold 6405U supports Intel 400 Series, Intel 500 Series chipsets, which is broader compatibility than 62.2% of processors and equal to that of 0.5% 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 Pentium Gold 6405U 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+

2
Intel Pentium Gold 6405U has 2 CPU cores, which is fewer than 79.3% of processors and equal to 20.6% 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+

4
Intel Pentium Gold 6405U offers 4 CPU threads, which is fewer than 67.3% of processors and equal to 26.6% 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 Pentium Gold 6405U 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

N/A
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

2 x 2.4 GHz & 4 x 2.4 GHz
Intel Pentium Gold 6405U has a base clock of 2x2.4 GHz & 4x2.4 GHz which is equal to that of 100% of processors.
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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 Pentium Gold 6405U 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 Pentium Gold 6405U 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

2 MB
Intel Pentium Gold 6405U has an L3 cache of 2 MB which is smaller than that of 90.5% of processors and equal to that of 2.8% 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

0.5 MB
Intel Pentium Gold 6405U has an L2 cache of 0.5 MB which is smaller than that of 84.8% of processors and equal to that of 15.2% 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

128 KB
Intel Pentium Gold 6405U has an L1 cache of 128 KB which is smaller than that of 83.1% of processors and equal to that of 14.9% 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/LPDDR3
Intel Pentium Gold 6405U supports DDR DDR4/LPDDR3, which is newer than that of 58.1% of processors and equal to that of 2.1% 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

2,400 MHz
Intel Pentium Gold 6405U supports memory speeds up to 2,400 MHz, which is lower than that of 63.2% of processors and equal to 12.4% 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

DDR4-2400 MHz
Intel Pentium Gold 6405U supports JEDEC memory speeds up to DDR4-2,400 MHz, which is lower than that of 63.4% of processors and equal to 10.6% 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

64 GB
Intel Pentium Gold 6405U supports up to 64 GB of memory, which is more than 28.4% of processors and equal to 27.6% of processors.
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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 Pentium Gold 6405U 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 610
Intel Pentium Gold 6405U uses the Intel UHD Graphics 610 integrated GPU, which is less advanced than that in 57.8% of processors and equal to that in 1.7% 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

12
Intel Pentium Gold 6405U has 12 GPU execution units, which is fewer than 62.8% of processors and equal to 9.2% 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

300 MHz
Intel Pentium Gold 6405U has an integrated GPU clock of 300 MHz which is lower than that of 57% of processors and equal to that of 38.7% 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/encode)
Intel Pentium Gold 6405U supports H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode) media codecs, which is broader support than 65.8% of processors and equal to 2% of processors.
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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

15 W
Intel Pentium Gold 6405U has a TDP of 15 W which is lower than that of 77.7% of processors and equal to that of 16.1% 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

15 W
Intel Pentium Gold 6405U has a base power of 15 W which is lower than that of 77.2% of processors and equal to that of 16.2% 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

N/A
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

?
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 Pentium Gold 6405U supports configurable TDP. 52.9% of processors support configurable TDP.
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Intel Pentium Gold 6405U vs the average processor

  • 66.7% lower base power
    Intel Pentium Gold 6405U has a lower base power draw than the average processor (15 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 Pentium Gold 6405U has a lower base power draw than the average processor (15 W vs 45 W). The average processor has a base power draw of 45 W.15 W vs 45 W
  • 66.7% lower TDP
    Intel Pentium Gold 6405U has a lower TDP than the average processor (15 W vs 45 W). The average processor has a TDP of 45 W.
    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

    Intel Pentium Gold 6405U has a lower TDP than the average processor (15 W vs 45 W). The average processor has a TDP of 45 W.15 W vs 45 W
  • Newer DDR support
    Intel Pentium Gold 6405U supports a newer DDR generation than the average processor (DDR4/LPDDR3 vs DDR4).
    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

    Intel Pentium Gold 6405U supports a newer DDR generation than the average processor (DDR4/LPDDR3 vs DDR4).DDR4/LPDDR3 vs DDR4
  • Newer DDR support
    Intel Pentium Gold 6405U supports a newer DDR generation than the average processor (DDR4/LPDDR3 vs DDR4).
  • 66.7% lower base power
    Intel Pentium Gold 6405U has a lower base power draw than the average processor (15 W vs 45 W). The average processor has a base power draw of 45 W.
  • 66.7% lower TDP
    Intel Pentium Gold 6405U has a lower TDP than the average processor (15 W vs 45 W). The average processor has a TDP of 45 W.

Total
Memory & PCIe
Power & Thermal
  • Narrower instruction support
    Intel Pentium Gold 6405U supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX2, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • No crypto acceleration
    Intel Pentium Gold 6405U does not include crypto acceleration, the average processor does.
  • Older CPU socket
    Intel Pentium Gold 6405U uses an older CPU socket than the average processor (FCBGA1528 vs FP2).
  • 45.4% weaker single-core performance
    Intel Pentium Gold 6405U has a lower PassMark single-core score than the average processor (1,355 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 65% lower single-core score
    Intel Pentium Gold 6405U has a lower Geekbench 6 single-core score than the average processor (515 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 4 fewer CPU cores
    Intel Pentium Gold 6405U has fewer CPU cores than the average processor (2 vs 6). The average processor has 6 CPU cores.
  • 45.2% lower Cinebench R20 single-core score
    Intel Pentium Gold 6405U has a lower Cinebench R20 single-core score than the average processor (265 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • 77.6% lower PassMark score
    Intel Pentium Gold 6405U has a lower PassMark benchmark score than the average processor (2,355 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 77.5% lower multi-core score
    Intel Pentium Gold 6405U has a lower Geekbench 6 multi-core score than the average processor (1,077 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 4 fewer CPU threads
    Intel Pentium Gold 6405U has fewer CPU threads than the average processor (4 vs 8). The average processor has 8 CPU threads.
  • 50% lower bus transfer rate
    Intel Pentium Gold 6405U has a lower bus transfer rate than the average processor (4 GT/s vs 8 GT/s). The average processor offers bus transfer rate of 8 GT/s.
  • 50% lower bus speed
    Intel Pentium Gold 6405U has a lower bus speed than the average processor (4 GT/s vs 8 GT/s). The average processor runs at bus speed of 8 GT/s.
  • No Turbo Boost
    Intel Pentium Gold 6405U does not support Turbo Boost, the average processor does.
  • Less advanced microarchitecture
    Intel Pentium Gold 6405U uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
  • 41.7% less L3 per core
    Intel Pentium Gold 6405U has less L3 cache per core than the average processor (1 MB/core vs 1,714 MB/core). The average processor provides 1,714 MB/core of L3 cache per core.
  • 80% smaller L2 cache
    Intel Pentium Gold 6405U has a lower L2 cache than the average processor (0.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 16.7% larger process node
    Intel Pentium Gold 6405U has a higher process node than the average processor (14 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 75% smaller L3 cache
    Intel Pentium Gold 6405U has a lower L3 cache than the average processor (2 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 66.7% smaller L1 cache
    Intel Pentium Gold 6405U has a lower L1 cache than the average processor (128 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • 50% less L2 per core
    Intel Pentium Gold 6405U 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.
  • Older PCIe version
    Intel Pentium Gold 6405U supports an older PCIe version than the average processor (2 vs 3.0).
  • 4 fewer PCIe lanes
    Intel Pentium Gold 6405U has fewer PCIe lanes than the average processor (12 vs 16). The average processor offers 16 PCIe lanes.
  • 18.1% lower memory bandwidth
    Intel Pentium Gold 6405U has a lower memory bandwidth than the average processor (37.5 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 18.2% lower memory speed
    Intel Pentium Gold 6405U has a lower maximum memory speed than the average processor (2,400 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • Limited PCIe bifurcation
    Intel Pentium Gold 6405U supports less flexible PCIe bifurcation than the average processor (x4, x2/x2, x2/x1/x1, x1/x1/x1/x1 vs x16, x8/x8).
  • 50% fewer GPU execution units
    Intel Pentium Gold 6405U has fewer GPU execution units than the average processor (12 vs 24). The average processor has 24 GPU execution units.
  • Narrower media codec support
    Intel Pentium Gold 6405U supports fewer media codecs than the average processor (H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)).
  • 45.4% weaker single-core performance
    Intel Pentium Gold 6405U has a lower PassMark single-core score than the average processor (1,355 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 Pentium Gold 6405U has a lower PassMark single-core score than the average processor (1,355 vs 2,483). The average processor scores 2,483 in PassMark single-core.1,355 vs 2,483
  • 65% lower single-core score
    Intel Pentium Gold 6405U has a lower Geekbench 6 single-core score than the average processor (515 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 Pentium Gold 6405U has a lower Geekbench 6 single-core score than the average processor (515 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.515 vs 1,471
  • 4 fewer CPU cores
    Intel Pentium Gold 6405U has fewer CPU cores than the average processor (2 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 Pentium Gold 6405U has fewer CPU cores than the average processor (2 vs 6). The average processor has 6 CPU cores.2 vs 6
  • 45.2% lower Cinebench R20 single-core score
    Intel Pentium Gold 6405U has a lower Cinebench R20 single-core score than the average processor (265 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 Pentium Gold 6405U has a lower Cinebench R20 single-core score than the average processor (265 vs 484). The average processor scores 484 in Cinebench R20 single-core.265 vs 484
  • 77.6% lower PassMark score
    Intel Pentium Gold 6405U has a lower PassMark benchmark score than the average processor (2,355 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
    What it is: A benchmark score that gives a broad idea of overall processor performance.
    When it matters: When you want a quick overall performance comparison.

    Importance: HIGH

    Good value: >19000

    Intel Pentium Gold 6405U has a lower PassMark benchmark score than the average processor (2,355 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.2,355 vs 10,532.5
  • 77.5% lower multi-core score
    Intel Pentium Gold 6405U has a lower Geekbench 6 multi-core score than the average processor (1,077 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
    What it is: A Geekbench 6 score that reflects multi-core CPU performance in mixed modern workloads.
    When it matters: When you want a quick picture of multi-core speed in everyday mixed workloads, multitasking, and broadly optimized software.

    Importance: HIGH

    Good value: >8500

    Intel Pentium Gold 6405U has a lower Geekbench 6 multi-core score than the average processor (1,077 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.1,077 vs 4,793
  • Less advanced microarchitecture
    Intel Pentium Gold 6405U 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 Pentium Gold 6405U uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).Comet Lake vs Kaby Lake
  • 41.7% less L3 per core
    Intel Pentium Gold 6405U has less L3 cache per core than the average processor (1 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 Pentium Gold 6405U has less L3 cache per core than the average processor (1 MB/core vs 1,714 MB/core). The average processor provides 1,714 MB/core of L3 cache per core.1 MB/core vs 1,714 MB/core
Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics

Graphic comparison of Intel Pentium Gold 6405U and other processors

Attribute category
Attribute
No results found

Third-party reviews

What customers like about Intel Pentium Gold 6405U?

  • Efficient for basic tasks like web browsing, emails, and office software
  • Good value for money in the budget/entry-level market
  • Low power consumption (15W TDP) leads to long battery life in many laptops
  • Runs cool and quiet, often not requiring aggressive fan use
  • Reliable performance for simple multitasking due to Hyper-Threading (2 cores, 4 threads)
  • Capable of running older or low-demand games (e.g., Minecraft, CS:GO) at low settings

What customers dislike about Intel Pentium Gold 6405U?

  • Lacks a 'Turbo Boost' feature, limiting peak performance under heavy loads
  • Significantly slow when paired with a traditional HDD instead of an SSD
  • Struggles with modern, demanding games and heavy video editing
  • Integrated UHD Graphics 610 is weak compared to newer entry-level chips
  • Frequent reports of hanging or 100% CPU usage when handling multiple browser tabs or updates
  • No longer competitive with newer budget processors like the Intel Core i3 or N-series

Expert reviews

C
cpubenchmark.net
Q2 2020
Intel Pentium 6405U @ 2.40GHz - CPU Benchmarks

The Intel Pentium 6405U is a Q2 2020 entry-level mobile processor designed for budget-friendly, daily productivity, utilizing a 2.40 GHz fixed clock speed across two cores and four threads. It is recognized for its reliability, low power consumption, and suitability for basic tasks like web browsing and document editing. However, the chip lacks Turbo Boost, limiting performance...Read more

V
valid.x86.fr
19/03/2026
Intel Pentium 6405U (4T) CPU-Z Benchmark

The Intel Core i9-14900KS CPU-Z benchmark showcases a 24-core Raptor Lake Refresh flagship achieving record-breaking stock frequencies of up to 6.2 GHz. This 4-thread configuration highlights the processor's peak single-threaded efficiency and high-performance capability. Key pros include the processor's status as the fastest single-threaded desktop CPU at the time of testing,...Read more

(Translated)Show original
C
cpu-monkey.com
05/02/2026
Intel Pentium Gold G6405 vs Intel Pentium Gold 6405U - Benchmarks

The Intel Pentium Gold G6405 (desktop, 58W TDP) and 6405U (mobile, 15W TDP) are distinct Comet Lake processors, with the G6405 offering nearly 1.8x faster performance due to a 4.10 GHz clock speed compared to the 6405U's 2.40 GHz. The G6405 boasts pros like 4MB L3 cache and faster DDR4-2666 memory, making it ideal for stable desktop tasks, though it lacks turbo mode and has higher...Read more

(Translated)Show original
N
notebookcheck.nl
03/07/2026
Lenovo IdeaPad 3 15 Series - Laptop Review

The Lenovo IdeaPad 3 series is positioned as a budget-friendly, "unpretentious daily driver" that prioritizes core performance with AMD Ryzen 5000U or Intel 11th/12th Gen processors, offering snappy responsiveness for everyday tasks. Key advantages include a comfortable keyboard, physical webcam shutter, quiet operation, and strong battery life in many configurations, frequently...Read more

(Translated)Show original

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