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Intel Celeron G5900 Review | 78 Data compared

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  • Avg. price in UK: ~£35
  • Avg. price in US: ~$40
  • PassMark benchmark result: 2669
  • N. of physical cores: 2
  • CPU boost clock speed: N/A GHz

Intel Celeron G5900 review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

4.4

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%

4.0

Technical Score

10.0%

8.4

User score

Poor
4.0

Technical Score

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

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

Score components:

60.0%

3.3

Performance

18.0%

3.5

Cache & Architecture

10.0%

5.2

Memory & PCIe

7.0%

6.5

Power & Thermal

4.0%

7.7

Platform

1.0%

6.8

Integrated Graphics

Poor
8.4

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%

8.8

User reviews

30.0%

7.3

Popularity

User score:
United Kingdom
amazon
4.4
(145)
amazon
4.5
(19)
amazon
5.0
(1)

(Reviews last updated: May 2026)

Excellent
  • 2.0
    Gaming

    Score components:

    30.0%

    3.2

    PassMark single-core benchmark score

    25.0%

    3.0

    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

  • 1.1
    Video editing

    Score components:

    45.0%

    1.2

    Geekbench 6 multi-core benchmark score

    20.0%

    1.0

    N. of physical cores

    20.0%

    1.0

    CPU threads

    15.0%

    1.3

    L3 cache

  • intel-celeron-g5900
  • intel-celeron-g5900
intel-celeron-g5900
intel-celeron-g5900

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 Celeron G5900 is an entry-level desktop processor from the 10th Generation 'Comet Lake' family, featuring 2 cores and 2 threads with a fixed base frequency of 3.4 GHz. Built on a 14nm process for the LGA 1200 socket, it includes 2 MB of Intel Smart Cache, a 58W TDP, and integrated Intel UHD Graphics 610 supporting 4K resolution at 60Hz. Its primary advantages include extreme affordability, low power consumption, and suitability for basic office tasks, web browsing, or use as a low-cost media center. However, it suffers from significant performance limitations, lacking Hyper-Threading and Turbo Boost technology, which makes it unsuitable for modern gaming, heavy multitasking, or demanding professional applications.

Technical Specifications of processor Intel Celeron G5900

Technical Score

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

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

Score components:

60.0%

3.3

Performance

18.0%

3.5

Cache & Architecture

10.0%

5.2

Memory & PCIe

7.0%

6.5

Power & Thermal

4.0%

7.7

Platform

1.0%

6.8

Integrated Graphics

4.0
Intel Celeron G5900 has a technical score of 3.96 points, which is lower than that of 82.8% 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%

8.8

User reviews

30.0%

7.3

Popularity

User score:
United Kingdom
amazon
4.4
(145)
amazon
4.5
(19)
amazon
5.0
(1)

(Reviews last updated: May 2026)

8.4
Intel Celeron G5900 has a user score of 8.36 points, which is higher than that of 85.6% 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.
7.3
Intel Celeron G5900 has a popularity of 7.3 points, which is higher than 85.4% 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%

4.4

Overall score

40.0%

10

Price

6.1
Intel Celeron G5900 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

desktop
Intel Celeron G5900 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 Celeron G5900 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

?
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 Celeron G5900 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 Celeron G5900 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+

2
Intel Celeron G5900 offers 2 CPU threads, which is fewer than 93.9% of processors and equal to 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

1
Intel Celeron G5900 offers 1 threads per core, which is fewer than 69.7% of processors and equal to 30.3% 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 3.4 GHz
Intel Celeron G5900 has a base clock of 2x3.4 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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
Intel Celeron G5900 supports DDR DDR4, which is newer than that of 26.3% of processors and equal to that of 31.7% of processors.
Maximum memory speed
What it is: The highest official memory speed supported by the processor.
When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=4800 MHz

2,666 MHz
Intel Celeron G5900 supports memory speeds up to 2666 MHz, which is lower than that of 55% of processors and equal to 8.1% of processors.
Max memory speed (JEDEC)
What it is: The highest official RAM speed the processor supports under standard JEDEC settings, before any memory overclocking profiles are applied.
When it matters: When officially supported stock RAM speed matters more than XMP, EXPO, or manual memory tuning.

Importance: MEDIUM

Good value: >=5600 MHz

DDR4-2666 MHz
Intel Celeron G5900 supports JEDEC memory speeds up to DDR4-2666 MHz, which is lower than that of 55.3% of processors and equal to 7.4% of processors.
Max memory speed (XMP / EXPO)
What it is: The highest memory speed supported through XMP or EXPO profiles.
When it matters: When you want faster RAM through memory profiles.

Importance: MEDIUM

Good value: >=5200 MHz

?
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 Celeron G5900 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 Celeron G5900 includes integrated graphics. 87.6% of processors include integrated graphics.
Intel UHD Graphics 610
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 Celeron G5900 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 Celeron G5900 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

350 MHz
Intel Celeron G5900 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/encode), JPEG
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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

58 W
Intel Celeron G5900 has a TDP of 58 W which is higher than that of 68.3% of processors and equal to that of 0.8% of processors.
Base power (PL1)
What it is: The sustained power target used for longer CPU loads.
When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

58 W
Intel Celeron G5900 has a base power of 58 W which is higher than that of 68.6% of processors and equal to that of 0.8% 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

58 W
Intel Celeron G5900 has a boost power of 58 W which is lower than that of 53.2% of processors and equal to that of 1.2% 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

N/A
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

no
Intel Celeron G5900 does not support configurable TDP. 52.9% of processors support configurable TDP.
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Intel Celeron G5900 vs the average processor

  • Includes stock cooler
    Intel Celeron G5900 includes a stock cooler, the average processor does not.
    What it is: A stock CPU cooler is included in the box with the processor.
    When it matters: When total build cost matters and you need to know whether separate cooling must be bought right away.

    Importance: MEDIUM

    Intel Celeron G5900 includes a stock cooler, the average processor does not.
  • 2x more memory capacity
    Intel Celeron G5900 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 Celeron G5900 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
  • 7.27x more popular
    Intel Celeron G5900 is more popular than the average processor (7.27 vs 1.000).
    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.
    Intel Celeron G5900 is more popular than the average processor (7.27 vs 1.000).7.27 vs 1
  • Modern CPU socket
    Intel Celeron G5900 uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).
    What it is: The physical socket the processor fits into on the motherboard.
    When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

    Importance: HIGH

    Intel Celeron G5900 uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).LGA1200 vs FP2
  • 7.14x cheaper
    Intel Celeron G5900 is cheaper than the average processor (£35 vs £250).
    Intel Celeron G5900 is cheaper than the average processor (£35 vs £250).£35 vs £250
  • 4.5% higher user score
    Intel Celeron G5900 has a higher user score than the average processor (8.36 vs 8.000).
    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.
    Intel Celeron G5900 has a higher user score than the average processor (8.36 vs 8.000).8.36 vs 8
  • 1 wider front-end design
    Intel Celeron G5900 has a higher front-end width than the average processor (5 vs 4). The average processor uses front-end width of 4.
    What it is: How many instructions the CPU front end can decode or dispatch per cycle at the architectural level.
    When it matters: When you are comparing deeper architectural throughput rather than user-visible speed in normal buying decisions.

    Importance: LOW

    Good value: 4

    Intel Celeron G5900 has a higher front-end width than the average processor (5 vs 4). The average processor uses front-end width of 4.5 vs 4
  • Modern CPU socket
    Intel Celeron G5900 uses a more modern CPU socket than the average processor (LGA1,200 vs FP2).
  • 1 wider front-end design
    Intel Celeron G5900 has a higher front-end width than the average processor (5 vs 4). The average processor uses front-end width of 4.
  • 2x more memory capacity
    Intel Celeron G5900 has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.
  • Includes stock cooler
    Intel Celeron G5900 includes a stock cooler, the average processor does not.

Total
Overall
Platform
Performance
Memory & PCIe
Power & Thermal
  • Narrower instruction support
    Intel Celeron G5900 supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • No crypto acceleration
    Intel Celeron G5900 does not include crypto acceleration, the average processor does.
  • 4 fewer CPU cores
    Intel Celeron G5900 has fewer CPU cores than the average processor (2 vs 6). The average processor has 6 CPU cores.
  • 77.3% lower multi-core score
    Intel Celeron G5900 has a lower Geekbench 6 multi-core score than the average processor (1,088 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 74.7% lower PassMark score
    Intel Celeron G5900 has a lower PassMark benchmark score than the average processor (2,669 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 26% lower single-core score
    Intel Celeron G5900 has a lower Geekbench 6 single-core score than the average processor (1,088 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 6 fewer CPU threads
    Intel Celeron G5900 has fewer CPU threads than the average processor (2 vs 8). The average processor has 8 CPU threads.
  • No multithreading support
    Intel Celeron G5900 does not support multithreading, the average processor does.
  • 15.1% weaker single-core performance
    Intel Celeron G5900 has a lower PassMark single-core score than the average processor (2,109 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 1 fewer threads per core
    Intel Celeron G5900 has fewer threads per core than the average processor (1 vs 2). The average processor offers 2 threads per core.
  • No Turbo Boost
    Intel Celeron G5900 does not support Turbo Boost, the average processor does.
  • Less advanced microarchitecture
    Intel Celeron G5900 uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).
  • 41.7% less L3 per core
    Intel Celeron G5900 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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 Celeron G5900 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.
  • 9.2% lower memory bandwidth
    Intel Celeron G5900 has a lower memory bandwidth than the average processor (41.6 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 9.1% lower memory speed
    Intel Celeron G5900 has a lower maximum memory speed than the average processor (2,666 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • 50% fewer GPU execution units
    Intel Celeron G5900 has fewer GPU execution units than the average processor (12 vs 24). The average processor has 24 GPU execution units.
  • No configurable TDP
    Intel Celeron G5900 does not support configurable TDP, the average processor does.
  • 28.9% higher base power
    Intel Celeron G5900 has a higher base power draw than the average processor (58 W vs 45 W). The average processor has a base power draw of 45 W.
  • 28.9% higher TDP
    Intel Celeron G5900 has a higher TDP than the average processor (58 W vs 45 W). The average processor has a TDP of 45 W.
  • 4 fewer CPU cores
    Intel Celeron G5900 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 Celeron G5900 has fewer CPU cores than the average processor (2 vs 6). The average processor has 6 CPU cores.2 vs 6
  • 77.3% lower multi-core score
    Intel Celeron G5900 has a lower Geekbench 6 multi-core score than the average processor (1,088 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 Celeron G5900 has a lower Geekbench 6 multi-core score than the average processor (1,088 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.1,088 vs 4,793
  • Less advanced microarchitecture
    Intel Celeron G5900 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 Celeron G5900 uses a less advanced microarchitecture than the average processor (Comet Lake vs Kaby Lake).Comet Lake vs Kaby Lake
  • 74.7% lower PassMark score
    Intel Celeron G5900 has a lower PassMark benchmark score than the average processor (2,669 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 Celeron G5900 has a lower PassMark benchmark score than the average processor (2,669 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.2,669 vs 10,532.5
  • 26% lower single-core score
    Intel Celeron G5900 has a lower Geekbench 6 single-core score than the average processor (1,088 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 Celeron G5900 has a lower Geekbench 6 single-core score than the average processor (1,088 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.1,088 vs 1,471
  • Narrower instruction support
    Intel Celeron G5900 supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
    What it is: The supported CPU instruction sets and extensions.
    When it matters: When you run software that depends on specific CPU instructions.

    Importance: MEDIUM

    Intel Celeron G5900 supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).SSE4.1, SSE4.2, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA
  • 41.7% less L3 per core
    Intel Celeron G5900 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 Celeron G5900 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
  • 6 fewer CPU threads
    Intel Celeron G5900 has fewer CPU threads than the average processor (2 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 Celeron G5900 has fewer CPU threads than the average processor (2 vs 8). The average processor has 8 CPU threads.2 vs 8
Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal

Graphic comparison of Intel Celeron G5900 and other processors

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Third-party reviews

United Kingdom
amazon
4.4
145 Reviews
amazon
4.5
19 Reviews
amazon
5.0
1 Reviews

(Reviews last updated: May 2026)

What customers like about Intel Celeron G5900?

  • Extremely affordable entry point for the LGA 1200 socket
  • Excellent for basic office tasks, schoolwork, and web browsing
  • Highly effective as a 'test bench' or diagnostic CPU to verify motherboards
  • Features Intel QuickSync, making it useful for budget Plex or media servers
  • Includes a stock cooler with pre-applied thermal paste in the retail box
  • Supports hardware virtualization, improving virtual machine performance

What customers dislike about Intel Celeron G5900?

  • Limited to 2 cores and 2 threads, which causes stuttering in modern multitasking
  • Unsuitable for modern gaming; struggles with significant frame drops and 100% CPU usage
  • No Turbo Boost or Hyper-Threading technology
  • Integrated UHD 610 graphics are outdated and underperform compared to AMD's budget options
  • Requires a relatively modern 400-series motherboard, which can cost more than the CPU itself
  • Small 2MB L3 cache limits performance in calculation-heavy applications

Expert reviews

V
valid.x86.fr
01/07/2026
CPU-Z Benchmark for Intel Celeron G5900 (1T) Would you like to see a comparison table of these benchmark scores against its successor, the G5905?

The Intel Celeron G5900, a budget-oriented dual-core processor from the Comet Lake family operating at 3.4 GHz, shows a single-thread score of 441 and a multi-thread score of 814 in CPU-Z benchmarking. The CPU offers high affordability and power efficiency suitable for basic office tasks and media servers, while also providing an upgrade path on the LGA 1200 platform. However, its...Read more

C
cpubenchmark.net
Q2 2020
Intel Celeron G5900 @ 3.40GHz - CPU Benchmarks

The Intel Celeron G5900 is a budget-focused 10th-generation "Comet Lake" processor with 2 cores and 2 threads, designed for basic office computing, entry-level digital signage, or motherboard testing. Pros include its low cost (approx. $60-$80 AUD), thermal efficiency with a 58W TDP, and integrated Intel UHD Graphics 610, which supports 4K displays. Cons involve its lack of...Read more

O
openbenchmarking.org
Q3 2020
Intel Celeron G5900 Benchmarks, Linux Performance

The Intel Celeron G5900 is a 2-core/2-thread, 3.4GHz Comet Lake processor designed for basic office tasks and web browsing, often retailing for roughly $42 USD. While offering respectable single-threaded performance for its price point and acting as a cheap "placeholder" chip on the LGA 1200 platform, it struggles in multi-threaded scenarios. Significant limitations include the lack...Read more

P
phoronix.com
30/07/2020
Intel Celeron G5900 + Pentium Gold G6400 Benchmarks

Phoronix evaluates the budget Intel Celeron G5900 (3.4GHz) and Pentium Gold G6400 (4.0GHz) Comet Lake processors under Linux, noting both lack AVX support, which impacts modern workload performance. While the Pentium G6400 offers decent performance for light, single-threaded tasks, benchmarks show both chips are consistently outperformed in value and graphics by the AMD Athlon...Read more

C
cpubenchmark.net
01/07/2026
Intel Celeron G5900 at 3.40 GHz - CPU Performance Benchmarks

The Intel Celeron G5900 is a budget-focused, 10th-generation Comet Lake processor with 2 cores and 2 threads, operating at a fixed 3.40 GHz. As an LGA 1200 socket chip, it offers an extremely affordable entry point (approx. £32–£47) into modern desktop platforms for basic tasks, featuring integrated UHD Graphics 610. However, its limited cache and lack of Hyper-Threading create...Read more

(Translated)Show original
V
valid.x86.fr
Mars 2026
CPU-Z Single-Thread Benchmark for Intel Celeron G5900

The CPU-Z benchmark for the Intel Celeron G5900 reveals a 383 Single Thread score and 785 Multi-Thread score, positioning it as an entry-level processor designed for budget, low-power applications. While efficient for basic tasks and easy to cool, the dual-core chip lacks the necessary performance for modern gaming, professional software, or heavy multitasking. Ultimately, this...Read more

(Translated)Show original
H
hardware.info
01/08/2020
Specifications and Comparison: Intel Celeron G5900 vs AMD Athlon 3000G

The AMD Athlon 3000G outperforms the Intel Celeron G5900 in this ~50-euro budget CPU duel, offering better multi-threaded performance due to its 2-core/4-thread Zen architecture and Simultaneous Multithreading (SMT). While the Celeron G5900 (2-core/2-thread) holds a slight ~6% advantage in single-core speeds, its lack of extra threads hinders multitasking compared to the Athlon....Read more

(Translated)Show original
T
tweakers.net
01/11/2021
Desktop Best Buy Guide - November 2021 (used as a basis for home server testing)

The Tweakers Desktop Best Buy Guide for November 2021 addresses high hardware costs and low availability by recommending three balanced, specialized PC builds. It features a 1080p/60fps Gaming PC, a high-performance Streaming & Editing PC, and an efficient Home Automation/Server setup, all tailored to combat elevated market prices. The Streaming & Editing PC is highlighted as a...Read more

(Translated)Show original
T
tweakers.net
27/09/2020
Processors under 200 euro Round-up: Affordable current CPUs compared

This Tweakers review analyzes budget processors under €200, highlighting the intense competition between AMD’s Ryzen 3000 series and Intel’s 10th-generation Core lineup. The AMD Ryzen 3 3300X and 3100 are identified as top performers for value and efficiency, though they suffer from limited availability and lack integrated graphics. While the Intel Core i3-10100 offers integrated...Read more

(Translated)Show original

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