Intel Core i9 10900K Review | 78 Data compared

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  • Avg. price in UK: ~£330
  • Avg. price in US: ~$370
  • PassMark benchmark result: 22301
  • N. of physical cores: 10
  • CPU boost clock speed: 5.3 GHz

Intel Core i9 10900K review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.1

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%

5.7

Technical Score

10.0%

9.6

User score

Good
5.7

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%

6.2

Performance

18.0%

4.3

Cache & Architecture

10.0%

6.0

Memory & PCIe

7.0%

3.3

Power & Thermal

4.0%

8.0

Platform

1.0%

7.1

Integrated Graphics

Good
9.6

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%

9.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.7
(1234)
amazon
4.7
(588)

(Reviews last updated: May 2026)

Exceptional
  • 5.6
    Gaming

    Score components:

    30.0%

    5.6

    PassMark single-core benchmark score

    25.0%

    5.1

    Geekbench 6 single-core benchmark score

    20.0%

    8.5

    CPU boost clock speed

    17.0%

    3.8

    L3 cache

    8.0%

    4.3

    N. of physical cores

  • 6.8
    Video editing

    Score components:

    45.0%

    9.0

    Geekbench 6 multi-core benchmark score

    20.0%

    4.3

    N. of physical cores

    20.0%

    6.4

    CPU threads

    15.0%

    3.8

    L3 cache

  • intel-core-i9-10900k
  • intel-core-i9-10900k
intel-core-i9-10900k
intel-core-i9-10900k

Best prices in UK

Best rankings

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

Verdict

The Intel Core i9-10900K is a high-performance 10th Gen Comet Lake desktop processor featuring 10 cores and 20 threads with a base clock of 3.7 GHz and a peak boost frequency of up to 5.3 GHz via Thermal Velocity Boost. Built on a refined 14nm process for the LGA 1200 socket, it includes 20 MB of Intel Smart Cache, supports DDR4-2933 memory, and integrates UHD Graphics 630. Main pros include its position as one of the fastest gaming processors of its era, exceptional single-core speed, and an unlocked multiplier for enthusiast-level overclocking. However, it suffers from significant cons such as high power consumption exceeding 250W under load, intense heat generation requiring premium cooling solutions, and a lack of support for PCIe 4.0.

Technical Specifications of processor Intel Core i9 10900K

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%

6.2

Performance

18.0%

4.3

Cache & Architecture

10.0%

6.0

Memory & PCIe

7.0%

3.3

Power & Thermal

4.0%

8.0

Platform

1.0%

7.1

Integrated Graphics

5.7
Intel Core i9 10900K has a technical score of 5.71 points, which is higher than that of 59.4% 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%

9.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.7
(1234)
amazon
4.7
(588)

(Reviews last updated: May 2026)

9.6
Intel Core i9 10900K has a user score of 9.58 points, which is higher than that of 96.7% of products in this category.
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.
10
Intel Core i9 10900K has a popularity of 10 points, which is higher than 88.3% 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%

6.1

Overall score

40.0%

8.8

Price

6.9
Intel Core i9 10900K has a quality-to-price ratio of 6.9 points, which is higher than 69% 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 i9 10900K 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 i9 10900K 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
Intel Core i9 10900K supports Z590, H570, B560, H510, Z490, H470, B460, H410 chipsets, which is broader compatibility than 63.1% 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 i9 10900K 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+

10
Intel Core i9 10900K has 10 CPU cores, which is more than 77.1% of processors and equal to 4.3% 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+

20
Intel Core i9 10900K offers 20 CPU threads, which is more than 85.4% of processors and equal to 4.5% 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 i9 10900K 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

5.3 GHz
Intel Core i9 10900K reaches a boost clock of 5.3 GHz which is higher than that of 92.9% of processors and equal to that of 1.9% 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

10 x 3.7 GHz
Intel Core i9 10900K has a base clock of 10x3.7 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 Core i9 10900K 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 i9 10900K 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

20 MB
Intel Core i9 10900K has an L3 cache of 20 MB which is larger than that of 79.9% of processors and equal to that of 1.5% 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

2.5 MB
Intel Core i9 10900K has an L2 cache of 2.5 MB which is larger than that of 48.8% of processors and equal to that of 1.3% 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

640 KB
Intel Core i9 10900K has an L1 cache of 640 KB which is larger than that of 74.6% of processors and equal to that of 2.5% 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 i9 10900K 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 i9 10900K supports memory speeds up to 2,933 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 i9 10900K supports JEDEC memory speeds up to DDR4-2,933 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

?
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 i9 10900K supports up to 128 GB of memory, which is more than 61.9% of processors and equal to 21.4% 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 Core i9 10900K includes integrated graphics. 87.6% 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 i9 10900K uses the Intel UHD Graphics 630 integrated GPU, which is more advanced than that in 44.3% and equal to that in 8.3%.
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 i9 10900K 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 i9 10900K 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/encode), VP8 (HW decode/encode), MPEG-2 (HW decode), VC-1
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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

125 W
Intel Core i9 10900K has a TDP of 125 W which is higher than that of 92.9% of processors and equal to that of 1.4% 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

125 W
Intel Core i9 10900K has a base power of 125 W which is higher than that of 92.9% of processors and equal to that of 1.5% 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

250 W
Intel Core i9 10900K has a boost power of 250 W which is higher than that of 96.1% of processors and equal to that of 0.8% 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

56 seconds
Intel Core i9 10900K has a turbo duration of 56 seconds which is shorter than that of 96.7% of processors and equal to that of 3.3% 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 i9 10900K supports configurable TDP. 52.9% support configurable TDP.
cTDP: 95 W
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Intel Core i9 10900K vs the average processor

  • 23.3% higher boost clock
    Intel Core i9 10900K has a higher boost clock speed than the average processor (5.3 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 i9 10900K has a higher boost clock speed than the average processor (5.3 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.5.3 GHz vs 4.3 GHz
  • 2.19x better multi-core performance
    Intel Core i9 10900K has a higher multi-core performance than the average processor (6,101 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
    What it is: A Cinebench R20 score that reflects how well the processor handles long, heavy rendering workloads across many cores.
    When it matters: When you care about sustained multi-core performance in rendering, compiling, heavy creation work, or productivity workloads that use many threads.

    Importance: HIGH

    Good value: >4700

    Intel Core i9 10900K has a higher multi-core performance than the average processor (6,101 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.6,101 vs 2,783
  • 12 more CPU threads
    Intel Core i9 10900K has more CPU threads than the average processor (20 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 i9 10900K has more CPU threads than the average processor (20 vs 8). The average processor has 8 CPU threads.20 vs 8
  • Unlocked for overclocking
    Intel Core i9 10900K has an unlocked multiplier, the average processor does not.
    What it is: Has an unlocked CPU multiplier, which makes manual CPU overclocking much easier on supported platforms.
    When it matters: When you plan to push clock speeds beyond stock settings instead of leaving the processor completely at default behavior.

    Importance: MEDIUM

    Intel Core i9 10900K has an unlocked multiplier, the average processor does not.
  • 4 more CPU cores
    Intel Core i9 10900K has more CPU cores than the average processor (10 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 i9 10900K has more CPU cores than the average processor (10 vs 6). The average processor has 6 CPU cores.10 vs 6
  • 2.12x higher PassMark score
    Intel Core i9 10900K has a higher PassMark benchmark score than the average processor (22,301 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 Core i9 10900K has a higher PassMark benchmark score than the average processor (22,301 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.22,301 vs 10,532.5
  • Supports memory overclocking
    Intel Core i9 10900K 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 i9 10900K supports memory overclocking, the average processor does not.
  • 2.5x larger L3 cache
    Intel Core i9 10900K has a higher L3 cache than the average processor (20 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 i9 10900K has a higher L3 cache than the average processor (20 MB vs 8 MB). The average processor has L3 cache of 8 MB.20 MB vs 8 MB
  • Modern CPU socket
    Intel Core i9 10900K uses a more modern CPU socket than the average processor (LGA1200 vs FP2).
  • 23.3% higher boost clock
    Intel Core i9 10900K has a higher boost clock speed than the average processor (5.3 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 2.19x better multi-core performance
    Intel Core i9 10900K has a higher multi-core performance than the average processor (6,101 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
  • 12 more CPU threads
    Intel Core i9 10900K has more CPU threads than the average processor (20 vs 8). The average processor has 8 CPU threads.
  • Unlocked for overclocking
    Intel Core i9 10900K has an unlocked multiplier, the average processor does not.
  • 2.12x higher PassMark score
    Intel Core i9 10900K has a higher PassMark benchmark score than the average processor (22,301 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 4 more CPU cores
    Intel Core i9 10900K has more CPU cores than the average processor (10 vs 6). The average processor has 6 CPU cores.
  • 25.3% better single-core performance
    Intel Core i9 10900K has a higher PassMark single-core score than the average processor (3,110 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 21% higher single-core score
    Intel Core i9 10900K has a higher Geekbench 6 single-core score than the average processor (1,780 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 2.79x better overclocked performance
    Intel Core i9 10900K has a higher overclocked performance than the average processor (25,275 vs 9,051). The average processor scores 9,051 in overclocked PassMark.
  • 2.5x larger L3 cache
    Intel Core i9 10900K has a higher L3 cache than the average processor (20 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 66.7% larger L1 cache
    Intel Core i9 10900K has a higher L1 cache than the average processor (640 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • 16.7% more L3 per core
    Intel Core i9 10900K has more L3 cache per core than the average processor (2 MB/core vs 1,714 MB/core). The average processor provides 1,714 MB/core of L3 cache per core.
  • Supports memory overclocking
    Intel Core i9 10900K supports memory overclocking, the average processor does not.
  • 2x more memory capacity
    Intel Core i9 10900K has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.
  • No crypto acceleration
    Intel Core i9 10900K does not include crypto acceleration, the average processor does.
  • Narrower instruction support
    Intel Core i9 10900K supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • 60% slower Blender rendering
    Intel Core i9 10900K has a higher Blender BMW27 render time than the average processor (132.9 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
  • 48.3% slower classroom rendering
    Intel Core i9 10900K has a higher Blender Classroom render time than the average processor (409.6 vs 791,745). The average processor needs 791,745 for the Blender Classroom test.
  • Less advanced microarchitecture
    Intel Core i9 10900K uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
  • 16.7% larger process node
    Intel Core i9 10900K 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 i9 10900K 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.
  • 15.8% larger die size
    Intel Core i9 10900K has a higher die size than the average processor (206.1 mm² vs 178 mm²). The average processor has a die size of 178 mm².
  • 3.91x higher boost power
    Intel Core i9 10900K has a higher boost power draw than the average processor (250 W vs 64 W). The average processor has a boost power draw of 64 W.
  • 2.78x higher base power
    Intel Core i9 10900K has a higher base power draw than the average processor (125 W vs 45 W). The average processor has a base power draw of 45 W.
  • 2.78x higher TDP
    Intel Core i9 10900K has a higher TDP than the average processor (125 W vs 45 W). The average processor has a TDP of 45 W.
  • 28 seconds shorter turbo duration
    Intel Core i9 10900K has a lower turbo duration limit than the average processor (56 seconds vs 28 seconds). The average processor maintains turbo for 28 seconds.
  • 60% slower Blender rendering
    Intel Core i9 10900K has a higher Blender BMW27 render time than the average processor (132.9 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
    What it is: A Blender render result based on the BMW27 scene, used to show how quickly the processor can finish a heavy 3D rendering task.
    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: >290

    Intel Core i9 10900K has a higher Blender BMW27 render time than the average processor (132.9 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.132.9 vs 331.88
  • Less advanced microarchitecture
    Intel Core i9 10900K 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 i9 10900K uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).Comet Lake vs Kaby Lake
  • 3.91x higher boost power
    Intel Core i9 10900K has a higher boost power draw than the average processor (250 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 i9 10900K has a higher boost power draw than the average processor (250 W vs 64 W). The average processor has a boost power draw of 64 W.250 W vs 64 W
  • 2.78x higher base power
    Intel Core i9 10900K has a higher base power draw than the average processor (125 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 i9 10900K has a higher base power draw than the average processor (125 W vs 45 W). The average processor has a base power draw of 45 W.125 W vs 45 W
  • 16.7% larger process node
    Intel Core i9 10900K 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 i9 10900K 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 i9 10900K 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 i9 10900K 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
  • 48.3% slower classroom rendering
    Intel Core i9 10900K has a higher Blender Classroom render time than the average processor (409.6 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 i9 10900K has a higher Blender Classroom render time than the average processor (409.6 vs 791,745). The average processor needs 791,745 for the Blender Classroom test.409.6 vs 791,745
  • 2.78x higher TDP
    Intel Core i9 10900K has a higher TDP than the average processor (125 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 Core i9 10900K has a higher TDP than the average processor (125 W vs 45 W). The average processor has a TDP of 45 W.125 W vs 45 W

Graphic comparison of Intel Core i9 10900K and other processors

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Third-party reviews

(Reviews last updated: May 2026)

What customers like about Intel Core i9 10900K?

  • World-class gaming performance with high frame-time consistency
  • Excellent single-threaded speeds reaching up to 5.3 GHz via Thermal Velocity Boost
  • Solid multitasking and content creation performance with 10 cores and 20 threads
  • High overclocking headroom and refined tuning options for enthusiasts
  • Mature and stable platform with excellent motherboard BIOS support
  • Improved thermal interface (thinner die and thicker heat spreader) compared to previous generations

What customers dislike about Intel Core i9 10900K?

  • Extremely high power consumption, often exceeding 250W under full load
  • Requires high-end cooling solutions (preferably 280mm/360mm AIO) to prevent thermal throttling
  • Lacks native PCIe 4.0 support, falling behind contemporary competitors
  • Requires a new LGA 1200 motherboard, increasing the total cost of upgrade
  • Higher price-to-performance ratio for workstation tasks compared to Ryzen alternatives
  • Does not include a stock thermal cooler in the box

Expert reviews

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digitec.ch
20/05/2020

The Intel Core i9-10900K is identified as a 10-core, 14nm flagship that, despite older architecture, achieves superior 1080p gaming performance compared to the Ryzen 9 3900X, representing a significant jump over the i9-9900K. Pros include its top-tier gaming speed and an improved heat spreader design, although it faces cons like high power consumption, necessity for robust cooling,...Read more

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cgmagonline.com
21/10/2020

The Intel Core i9-10900K is identified as a top-tier "gaming monster" for 2020, utilizing 10 cores and 20 threads to reclaim Intel's mainstream performance crown. Key advantages include aggressive 5.3GHz clock speeds via Thermal Velocity Boost, leading to superior real-world gaming results, alongside improved single-core performance suitable for creative applications. Pros include...Read more

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neowin.net
06/06/2020

The Intel Core i9-10900K, featured as a 10-core/20-thread "Comet Lake-S" flagship, delivers exceptional gaming and productivity performance with clock speeds reaching 5.3GHz via Thermal Velocity Boost. While praised for its raw power, the processor requires a new LGA 1200 motherboard and lacks PCIe 4.0 support. Additionally, the chip is highly power-intensive with high thermal...Read more

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igorslab.de
20/05/2020

The Intel Core i9-10900K versatility test on igor´sLAB highlights the processor’s high clock speeds and sophisticated boosting algorithms (e.g., Thermal Velocity Boost) as major pros, giving it an advantage in frequency-dependent applications and gaming. Despite the 14nm process, its heat flux density is manageable, allowing for effective use with high-end air or AiO liquid coolers,...Read more

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kitguru.net
20/05/2020

The KitGuru review of the Intel Core i9-10900K praises the 10-core/20-thread processor as a successful 14nm flagship, offering 4.9GHz all-core speeds and excellent thermal performance via a thinner die design. Pros include unmatched gaming performance at launch, robust overclocking capabilities, and the inclusion of Hyper-Threading, making it a strong choice for high-end gaming...Read more

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trustedreviews.com
20/05/2020

The Intel Core i9-10900K is a 10-core flagship CPU that secures top-tier gaming performance by pushing the 14nm architecture to a 5.3GHz boost clock. Trusted Reviews highlights its superior single-threaded speed and strong performance in 1080p and 1440p gaming. However, it falls behind AMD competitors in multi-threaded productivity tasks and lacks PCIe 4.0 support, which limits its...Read more

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techspot.com
20/05/2020

The TechSpot review describes the Intel Core i9-10900K as a processor that reclaims the gaming performance crown, though it struggles with overall value due to high power and thermal demands. While offering unmatched single-core speeds and superior performance in applications like Photoshop, the chip requires a high-end 360mm AIO cooler to manage power consumption that exceeds 300...Read more

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gamersnexus.net
20/05/2020

The Gamers Nexus review identifies the Intel Core i9-10900K as the premier choice for high-refresh 1080p gaming, leading competitors by 13% to 16% in key titles, though performance advantages diminish at higher resolutions. While offering strong single-threaded performance for applications like Photoshop, the CPU is frequently outmatched by the cheaper AMD Ryzen 9 3900X in...Read more

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tomshardware.com
20/05/2020

The Intel Core i9-10900K, a 10-core/20-thread processor built on a 14nm process, delivers top-tier 1080p gaming performance and snappy single-threaded responsiveness with speeds up to 5.3 GHz. However, this "overclocked out of the box" performance results in significant cons, including extreme power consumption often exceeding 250W and substantial heat output that challenges...Read more

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bit-tech.net
20/05/2020

The Intel Core i9-10900K, reviewed by bit-tech.net, serves as a high-frequency, 10-core flagship that pushes Intel's 14nm architecture to its limit. It delivers excellent gaming performance and is a top choice for enthusiasts, but mandates a new Z490 motherboard, adding to the total cost. While offering superior light-load performance, the chip struggles to match AMD's Ryzen 9...Read more

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uk.pcmag.com
20/05/2020

The Intel Core i9-10900K is identified as an evolutionary 10-core, 20-thread processor built on 14nm architecture, aimed at maintaining competitiveness against AMD’s 7nm offerings. While it offers elite, record-setting single-threaded speeds and high-refresh-rate gaming performance, the chip necessitates a new LGA 1200 motherboard, increasing adoption costs. Significant drawbacks...Read more

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hardwaredealz.com
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The Intel Core i9-10900K is recognized as a premier gaming processor, utilizing a 10-core, 20-thread configuration with a 5.3 GHz boost to achieve high-tier performance, particularly in 1080p and 1440p gaming. It offers a 20-25% improvement in multi-threaded tasks over previous generations, along with improved thermal handling through a thinner die. However, the processor is...Read more

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allround-pc.com
20/05/2020

The Allround-PC review tests the 10th-gen Intel Core i9-10900K (10C/20T) and i5-10600K (6C/12T) on the MSI MEG Z490 ACE, highlighting a shift to LGA 1200 and improved hyper-threading across the lineup. Both processors deliver exceptional single-core speed and top-tier gaming performance, with the i5-10600K noted for excellent value, though they trail AMD in multi-threaded tasks and...Read more

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pcmasters.de
03/11/2020

The Intel Core i9-10900K, a 10-core/20-thread Comet Lake-S flagship, excels in gaming and single-threaded performance, offering clocks up to 5.3 GHz. While it outperforms competitors in 1080p gaming, the processor demands high-end cooling due to extreme power consumption and thermal output. Pros include top-tier gaming speeds, while cons involve high power usage and inferior...Read more

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chip.de
19/01/2021

The Intel Core i9-10900K, a 10-core/20-thread processor based on 14nm technology, serves as a high-performance gaming flagship with up to 5.3 GHz single-core speeds. While it offers outstanding 1080p gaming performance, it is notoriously power-hungry, drawing over 250W and requiring substantial cooling solutions, alongside a new LGA1200 motherboard. Ultimately, the CPU is positioned...Read more

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gamestar.de
20/05/2020

GameStar's review highlights the Intel Core i9-10900K as a 10-core, 20-thread, 5.3 GHz flagship designed for maximum gaming performance, boasting superior frame rates. Key advantages include its high clock speeds, excellent overclocking potential, and superior performance in 1080p gaming scenarios. However, the processor suffers from extreme power consumption and heat generation,...Read more

I
igorslab.de
20/05/2020

Igor Wallossek’s review characterizes the Intel Core i9-10900K as the ultimate, highly pushed 14nm "bolide" designed to secure gaming dominance, featuring extreme clock speeds up to 5.3 GHz and a refined "Thin Die STIM" design for improved heat transfer. While delivering top-tier gaming performance, the processor faces significant drawbacks, including massive power consumption...Read more

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computerbase.de
20/05/2020

The ComputerBase review of 10th Gen Intel Core i9-10900K and i5-10600K processors concludes that Intel pushed its 14nm architecture to maximum limits to reclaim the gaming performance crown, with the i9-10900K offering up to 5.3 GHz speeds and the i5-10600K providing high-value performance. Key pros include superior low-resolution gaming results, high clock speeds, and improved...Read more

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lesnumeriques.com
20/05/2020

The Intel Core i9-10900K is presented as a high-performance 10-core/20-thread processor with 5.3 GHz boost speeds, serving as a top-tier gaming CPU while utilizing a mature 14nm process. Key advantages include exceptional single-core performance and improved thermal transfer via "Thin Die STIM" technology, though it requires a new LGA 1200 motherboard and suffers from extreme power...Read more

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cowcotland.com
20/05/2020

The Cowcotland review of the Intel Core i5-10600K and Core i9-10900K highlights these processors as the "last stand" for Intel's 14nm process, pushing the architecture to its absolute limits to remain competitive. The i9-10900K, featuring 10 cores and 20 threads, delivers top-tier gaming performance, while the i5-10600K offers excellent mid-range value with the reintroduction of...Read more

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hardwarecooking.fr
20/05/2020

The Intel Core i9-10900K, a 10-core "Comet Lake-S" processor, asserts itself as a premier gaming CPU with boost clocks reaching 5.3 GHz, surpassing competitors in high-refresh-rate scenarios. While incorporating design improvements like a thinner die to handle thermals, the processor consumes significant power, often exceeding 250W and requiring robust, high-end cooling solutions....Read more

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comptoir-hardware.com
20/05/2020

The review of the Intel Core i9-10900K and i5-10600K on the Z490 platform highlights a significant shift to 10 cores and 20 threads for the flagship, along with widespread Hyper-Threading and 5.3 GHz speeds via TVB. While offering elite single-threaded performance for gaming, these 14nm processors require new LGA 1200 motherboards and boast high power consumption. The i9-10900K is...Read more

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geeknetic.es
20/05/2020

The Intel Core i9-10900K, a 10-core/20-thread processor based on 14nm "Comet Lake," achieves up to 5.3 GHz via Thermal Velocity Boost, positioning it as a top-tier mainstream performer at release, though it necessitates a new LGA 1200 socket motherboard. Pros include unmatched, industry-leading gaming performance and significantly improved multi-core productivity over previous...Read more

M
multiplayer.it
20/05/2020

The Intel Core i9-10900K is identified as a 10-core, 20-thread "Comet Lake-S" flagship that pushes Intel's 14nm architecture to its limit with boost speeds reaching 5.3 GHz, delivering exceptional single-core performance. While hailed as a top-tier gaming CPU, it requires a new LGA 1200 motherboard and lacks PCIe 4.0, with high power consumption (approaching 250W) demanding advanced...Read more

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hwready.it
10/06/2020

The Intel Core i9-10900K, a 10-core/20-thread processor based on a refined 14nm process, offers unmatched 5.3 GHz boost speeds and dominant gaming performance. While it serves as an "FPS king," the CPU demands a new LGA 1200 socket motherboard and features a thick Integrated Heat Spreader to manage high thermal output. Despite high power consumption exceeding 250W under load and...Read more

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tomshw.it
20/05/2020

The Tom's Hardware Italy review highlights the 10th Gen Intel Core i9-10900K and i5-10600K (Comet Lake-S) as premier gaming solutions, with the 10-core i9 achieving up to 5.3 GHz and the 6-core i5 reintroducing Hyper-Threading for high value. Pros include undisputed leadership in 1080p gaming performance over competition, with physical design improvements like a thicker integrated...Read more

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hwupgrade.it
20/05/2020

Hardware Upgrade's review of the Intel 10th Gen "Comet Lake-S" processors—specifically the 10-core Core i9-10900K and 6-core i5-10600K/i5-10400—highlights a strategic move to 14nm++ with across-the-board Hyper-Threading on the new LGA 1200 socket. The processors deliver top-tier gaming performance through high frequencies, with the i9-10900K achieving 5.3 GHz, while the i5-10600K...Read more

C
ct.nl
24/10/2020

The Ct.nl review finds the Intel Core i9-10900K and i5-10600K to be solid 10th Gen processors designed to compete with AMD's Ryzen 3000 series, with the 10-core i9-10900K acting as a top-tier gaming CPU boosting up to 5.3 GHz. While providing competitive performance, these 14nm chips suffer from high power consumption, with the i9 exceeding 200W under load. The platform also...Read more

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