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Intel Core i5 1230U Review | 78 Data compared

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  • Avg. price in UK: ~£270
  • Avg. price in US: ~$310
  • PassMark benchmark result: 10994
  • N. of physical cores: 10
  • CPU boost clock speed: 4.4 GHz

Intel Core i5 1230U review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

5.7

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%

?

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%

4.8

Performance

18.0%

7.6

Cache & Architecture

10.0%

6.2

Memory & PCIe

7.0%

6.2

Power & Thermal

4.0%

7.4

Platform

1.0%

8.1

Integrated Graphics

Good
?

User score

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

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

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 4.6
    Gaming

    Score components:

    30.0%

    4.6

    PassMark single-core benchmark score

    25.0%

    4.9

    Geekbench 6 single-core benchmark score

    20.0%

    5.8

    CPU boost clock speed

    17.0%

    2.7

    L3 cache

    8.0%

    4.3

    N. of physical cores

  • 3.4
    Video editing

    Score components:

    45.0%

    3.0

    Geekbench 6 multi-core benchmark score

    20.0%

    4.3

    N. of physical cores

    20.0%

    4.0

    CPU threads

    15.0%

    2.7

    L3 cache

  • No image
No image

Best prices in UK

    N/A~ £270

Best rankings

?

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

Verdict

The Intel Core i5-1230U is a mobile processor based on the Alder Lake architecture, featuring a hybrid configuration of 10 cores (2 Performance-cores and 8 Efficient-cores) and 12 threads with a max turbo frequency of 4.40 GHz. Designed for thin and light laptops, it includes 12 MB of Intel Smart Cache, integrated Intel Iris Xe Graphics with 80 execution units, and supports modern connectivity like PCIe 4.0 and LPDDR5-5200 RAM. Its primary pros are exceptional energy efficiency with a low 9W base TDP and strong multitasking performance for its class due to the high core count. However, its main cons include limited sustained performance under heavy loads due to the low power envelope and a locked multiplier that prevents overclocking.

Technical Specifications of processor Intel Core i5 1230U

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

5.7
Intel Core i5 1230U has a technical score of 5.68 points, which is higher than that of 58.7% of products in this category.
User score

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

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

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the processor.
When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.
1.0
Intel Core i5 1230U 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%

5.7

Overall score

40.0%

9.1

Price

6.7
Intel Core i5 1230U has a quality-to-price ratio of 6.7 points, which is higher than 61.9% of products in this category.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

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

Importance: HIGH

mobile
Intel Core i5 1230U 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

FCBGA1781
Intel Core i5 1230U uses the FCBGA1781 CPU socket, which is older than that of 70.5% of processors and equal to that of 0.4% 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

N/A
CPU architecture
What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.
When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

x86-64
Intel Core i5 1230U 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 i5 1230U 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+

12
Intel Core i5 1230U offers 12 CPU threads, which is more than 55.1% of processors and equal to 14.1% of processors.
Threads per core
What it is: The number of threads each physical core can handle at once.
When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

?
CPU boost clock speed
What it is: The highest clock speed the processor can reach under boost conditions.
When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

4.4 GHz
Intel Core i5 1230U reaches a boost clock of 4.4 GHz which is higher than that of 51.2% of processors and equal to that of 5.1% 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

2 x 1.1 GHz & 8 x 0.7 GHz
Intel Core i5 1230U has a base clock of 2x1.1 GHz & 8x0.7 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

10 nm
Intel Core i5 1230U uses a 10 nm process node, which is more advanced than that of 52.3% of processors and equal to that of 19.1% 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 7
Intel Core i5 1230U is built on the Intel 7 foundry process, which is more advanced than that of 66.2% of processors and equal to that of 14.9% of processors.
L3 cache
What it is: The total amount of L3 cache available on the processor.
When it matters: When you want better performance in cache-sensitive workloads and games.

Importance: MEDIUM

Good value: >=16 MB

12 MB
Intel Core i5 1230U has an L3 cache of 12 MB which is larger than that of 54.4% of processors and equal to that of 9% of processors.
L2 cache
What it is: The total amount of L2 cache available across the processor.
When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

9.5 MB
Intel Core i5 1230U has an L2 cache of 9.5 MB which is larger than that of 78.7% of processors and equal to that of 1.7% 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

928 KB
Intel Core i5 1230U has an L1 cache of 928 KB which is larger than that of 83.5% of processors and equal to that of 1.7% 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

?
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

5,200 MHz
Intel Core i5 1230U supports memory speeds up to 5200 MHz, which is higher than that of 72.1% of processors and equal to 7% 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

LPDDR5-5200 MHz
Intel Core i5 1230U supports JEDEC memory speeds up to LPDDR5-5200 MHz, which is higher than that of 72.2% of processors and equal to 1.8% 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 Core i5 1230U 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 Core i5 1230U 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 Iris Xe Graphics 80EU
Intel Core i5 1230U uses the Intel Iris Xe Graphics 80EU integrated GPU, which is more advanced than that in 78.5% of processors and equal to that in 2.5% 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

80
Intel Core i5 1230U has 80 GPU execution units, which is more than 91.7% of processors and equal to 3.3% 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 Core i5 1230U 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

AV1 (HW decode)
Intel Core i5 1230U supports AV1 (HW decode) media codecs, which is narrower support than 63.1% of processors and equal to 10.8% 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

9 W
Intel Core i5 1230U has a TDP of 9 W which is lower than that of 95.2% of processors and equal to that of 1.1% 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

9 W
Intel Core i5 1230U has a base power of 9 W which is lower than that of 95% of processors and equal to that of 1.2% 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

29 W
Intel Core i5 1230U has a boost power of 29 W which is lower than that of 81% of processors and equal to that of 1.1% of processors.
Tau (power duration limit)
What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.
When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

28 seconds
Intel Core i5 1230U has a turbo duration of 28 seconds which is longer than that of 3.8% of processors and equal to that of 85% of processors.
Configurable TDP
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

no
Intel Core i5 1230U does not support configurable TDP. 52.9% of processors support configurable TDP.
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Intel Core i5 1230U vs the average processor

  • 3.8x larger L2 cache
    Intel Core i5 1230U has a higher L2 cache than the average processor (9.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
    What it is: The total amount of L2 cache available across the processor.
    When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

    Importance: MEDIUM

    Good value: >=6 MB

    Intel Core i5 1230U has a higher L2 cache than the average processor (9.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.9.5 MB vs 2.5 MB
  • 2.5x more L2 per core
    Intel Core i5 1230U has more L2 cache per core than the average processor (1.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
    What it is: The amount of L2 cache available to each CPU core.
    When it matters: When you are comparing per-core cache resources in deeper architectural analysis.

    Importance: LOW

    Good value: >=1 MB/core

    Intel Core i5 1230U has more L2 cache per core than the average processor (1.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.1.25 MB/core vs 0.5 MB/core
  • 80% lower base power
    Intel Core i5 1230U has a lower base power draw than the average processor (9 W vs 45 W). The average processor has a base power draw of 45 W.
    What it is: The sustained power target used for longer CPU loads.
    When it matters: When you choose cooling and power delivery for sustained workloads.

    Importance: MEDIUM

    Good value: <30 W

    Intel Core i5 1230U has a lower base power draw than the average processor (9 W vs 45 W). The average processor has a base power draw of 45 W.9 W vs 45 W
  • 4 more CPU cores
    Intel Core i5 1230U 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 i5 1230U has more CPU cores than the average processor (10 vs 6). The average processor has 6 CPU cores.10 vs 6
  • Uses big.LITTLE design
    Intel Core i5 1230U uses a big.LITTLE design, the average processor does not.
    P-cores + E-cores
    What it is: Combines high-performance cores with lower-power efficiency cores instead of relying on just one core type.
    When it matters: When you want strong burst performance in demanding tasks without wasting as much power during lighter background work.

    Importance: MEDIUM

    Intel Core i5 1230U uses a big.LITTLE design, the average processor does not.
  • Newer PCIe version
    Intel Core i5 1230U supports a newer PCIe version than the average processor (4 vs 3.0).
    What it is: The newest PCIe generation the processor can use directly for graphics cards, SSDs, and other high-speed expansion devices.
    When it matters: When you want support for newer GPUs or SSDs, or more bandwidth for high-speed expansion hardware.

    Importance: HIGH

    Good value: 4.0

    Intel Core i5 1230U supports a newer PCIe version than the average processor (4 vs 3.0).4.0 vs 3.0
  • More advanced microarchitecture
    Intel Core i5 1230U uses a more advanced microarchitecture than the average processor (Alder Lake vs Kaby Lake).
    What it is: The internal core-design codename used for this processor generation.
    When it matters: When you are comparing CPUs at a deeper design level and want to identify the exact architecture behind marketing names.

    Importance: LOW

    Intel Core i5 1230U uses a more advanced microarchitecture than the average processor (Alder Lake vs Kaby Lake).Alder Lake vs Kaby Lake
  • 2.42x larger L1 cache
    Intel Core i5 1230U has a higher L1 cache than the average processor (928 KB vs 384 KB). The average processor has L1 cache of 384 KB.
    What it is: The total amount of L1 cache built into the processor, which sits closest to the cores.
    When it matters: When you are comparing low-level CPU design details rather than the broader performance picture buyers usually notice first.

    Importance: MEDIUM

    Good value: >=512 KB

    Intel Core i5 1230U has a higher L1 cache than the average processor (928 KB vs 384 KB). The average processor has L1 cache of 384 KB.928 KB vs 384 KB
  • Supports HMP
    Intel Core i5 1230U supports HMP, the average processor does not.
  • 4 more CPU cores
    Intel Core i5 1230U has more CPU cores than the average processor (10 vs 6). The average processor has 6 CPU cores.
  • 4 more CPU threads
    Intel Core i5 1230U has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.
  • 16.5% higher single-core score
    Intel Core i5 1230U has a higher Geekbench 6 single-core score than the average processor (1,714 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 9.1% better single-core performance
    Intel Core i5 1230U has a higher PassMark single-core score than the average processor (2,710 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 2 wider front-end design
    Intel Core i5 1230U has a higher front-end width than the average processor (6 vs 4). The average processor uses front-end width of 4.
  • 3.8x larger L2 cache
    Intel Core i5 1230U has a higher L2 cache than the average processor (9.5 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 2.5x more L2 per core
    Intel Core i5 1230U has more L2 cache per core than the average processor (1.3 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
  • Uses big.LITTLE design
    Intel Core i5 1230U uses a big.LITTLE design, the average processor does not.
  • More advanced microarchitecture
    Intel Core i5 1230U uses a more advanced microarchitecture than the average processor (Alder Lake vs Kaby Lake).
  • 2.42x larger L1 cache
    Intel Core i5 1230U has a higher L1 cache than the average processor (928 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • More advanced foundry
    Intel Core i5 1230U uses a more advanced foundry process than the average processor (Intel 7 vs Intel 14 nm).
  • 50% larger L3 cache
    Intel Core i5 1230U has a higher L3 cache than the average processor (12 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 16.7% smaller process node
    Intel Core i5 1230U has a lower process node than the average processor (10 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • Newer PCIe version
    Intel Core i5 1230U supports a newer PCIe version than the average processor (4 vs 3.0).
  • 77.3% higher memory speed
    Intel Core i5 1230U has a higher maximum memory speed than the average processor (5,200 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • 3.33x more GPU execution units
    Intel Core i5 1230U has more GPU execution units than the average processor (80 vs 24). The average processor has 24 GPU execution units.
  • Better integrated GPU
    Intel Core i5 1230U uses a better integrated GPU than the average processor (Intel Iris Xe Graphics 80EU vs Intel UHD Graphics 630).
  • 1 more supported displays
    Intel Core i5 1230U has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
  • 80% lower base power
    Intel Core i5 1230U has a lower base power draw than the average processor (9 W vs 45 W). The average processor has a base power draw of 45 W.
  • 80% lower TDP
    Intel Core i5 1230U has a lower TDP than the average processor (9 W vs 45 W). The average processor has a TDP of 45 W.
  • 54.7% lower boost power
    Intel Core i5 1230U has a lower boost power draw than the average processor (29 W vs 64 W). The average processor has a boost power draw of 64 W.

Total
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal
  • Narrower instruction support
    Intel Core i5 1230U supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AVX2 vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • Older CPU socket
    Intel Core i5 1230U uses an older CPU socket than the average processor (FCBGA1,781 vs FP2).
  • 18 lower clock multiplier
    Intel Core i5 1230U has a lower clock multiplier than the average processor (10 vs 28). The average processor has a clock multiplier of 28.
  • 30% less L3 per core
    Intel Core i5 1230U has less L3 cache per core than the average processor (1.2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
  • 2 fewer PCIe lanes
    Intel Core i5 1230U has fewer PCIe lanes than the average processor (14 vs 16). The average processor offers 16 PCIe lanes.
  • Narrower media codec support
    Intel Core i5 1230U supports fewer media codecs than the average processor (AV1 (HW decode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)).
  • No configurable TDP
    Intel Core i5 1230U does not support configurable TDP, the average processor does.
  • Narrower instruction support
    Intel Core i5 1230U supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AVX2 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 Core i5 1230U supports a narrower instruction set than the average processor (SSE4.1, SSE4.2, AVX2 vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).SSE4.1, SSE4.2, AVX2 vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA
  • 30% less L3 per core
    Intel Core i5 1230U has less L3 cache per core than the average processor (1.2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
    What it is: The amount of L3 cache effectively available per CPU core.
    When it matters: When you are comparing how much shared cache each core can draw on in deeper technical analysis.

    Importance: MEDIUM

    Good value: >=2 MB/core

    Intel Core i5 1230U has less L3 cache per core than the average processor (1.2 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.1.2 MB/core vs 1.714 MB/core
  • No configurable TDP
    Intel Core i5 1230U does not support configurable TDP, the average processor does.
    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

    Intel Core i5 1230U does not support configurable TDP, the average processor does.
  • Narrower media codec support
    Intel Core i5 1230U supports fewer media codecs than the average processor (AV1 (HW decode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)).
    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

    Intel Core i5 1230U supports fewer media codecs than the average processor (AV1 (HW decode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)).AV1 (HW decode) vs H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode/encode), AV1 (HW decode)
  • 2 fewer PCIe lanes
    Intel Core i5 1230U has fewer PCIe lanes than the average processor (14 vs 16). The average processor offers 16 PCIe lanes.
    What it is: The number of PCIe lanes provided directly by the processor.
    When it matters: When you connect fast GPUs, SSDs, or expansion cards.

    Importance: HIGH

    Good value: >=20

    Intel Core i5 1230U has fewer PCIe lanes than the average processor (14 vs 16). The average processor offers 16 PCIe lanes.14 vs 16
  • 18 lower clock multiplier
    Intel Core i5 1230U has a lower clock multiplier than the average processor (10 vs 28). The average processor has a clock multiplier of 28.
    What it is: The ratio used to derive CPU frequency from the base clock.
    When it matters: When you tune or compare overclocking behavior.

    Importance: LOW

    Good value: >33

    Intel Core i5 1230U has a lower clock multiplier than the average processor (10 vs 28). The average processor has a clock multiplier of 28.10 vs 28
  • Older CPU socket
    Intel Core i5 1230U uses an older CPU socket than the average processor (FCBGA1,781 vs FP2).
    What it is: The physical socket the processor fits into on the motherboard.
    When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

    Importance: HIGH

    Intel Core i5 1230U uses an older CPU socket than the average processor (FCBGA1,781 vs FP2).FCBGA1781 vs FP2
Total
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal

Graphic comparison of Intel Core i5 1230U and other processors

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Third-party reviews

What customers like about Intel Core i5 1230U?

  • Excellent for ultra-thin and light laptops due to its low 9W base power consumption
  • Strong single-core performance compared to previous generations, improving day-to-day responsiveness
  • Supports modern high-speed interfaces like Thunderbolt 4, Wi-Fi 6E, and PCIe 4.0
  • Efficient multitasking capabilities with 10 cores and 12 threads for office and productivity tasks
  • Good thermal management in slim chassis because of low heat output

What customers dislike about Intel Core i5 1230U?

  • Sustained performance is limited by the low 9W TDP compared to 15W U-series or 28W P-series models
  • Integrated Iris Xe graphics (80EU) are only suitable for very light gaming and basic media tasks
  • Not intended for professional-grade heavy video editing or intensive rendering
  • Performance is highly dependent on the laptop's specific cooling solution, especially in fanless designs
  • Limited vPro features (only 'Essentials' supported) compared to higher-tier enterprise chips

Expert reviews

U
ultrabookreview.com
05/01/2024
Dell XPS 13 review (XPS 13 9315 ultrabook model)

The Dell XPS 13 9315 is a highly portable, minimalist daily driver featuring exceptional build quality, a 2.6 lb aluminum chassis, and efficient 12th-gen Intel U-series processors, though it is limited by a sparse port selection lacking a 3.5mm jack. While providing excellent battery life (10–11 hours) and a quality 13.4-inch FHD+ display, the device sacrifices raw power, featuring...Read more

L
laptopspirit.fr
06/11/2022
Dell XPS 13 9315 Review: A dual-speed ultrabook

The Dell XPS 13 9315, as reviewed by LaptopSpirit, is described as a "two-speed" ultrabook, featuring a significantly redesigned, ultra-portable aluminum chassis (0.55 inches, 2.59 lbs) that departs from the traditional carbon fiber aesthetic for a lighter, thinner profile. The 13.4-inch 16:10 display is lauded for its brightness and slim bezels, paired with a high-quality, rigid...Read more

(Translated)Show original
C
charlestech.fr
25/05/2024
Dell XPS 13 9315 Review: Full and Detailed Expert Opinion - Laptop

The Dell XPS 13 9315 is characterized as an ultra-portable, minimalist laptop featuring a slim 0.55-inch all-aluminum chassis, weighing approximately 2.59 lbs, and boasting a bright 13.4-inch InfinityEdge display. While prioritizing design, the laptop operates on Intel’s 12th Gen "U-series" processors, offering solid efficiency and battery life for daily tasks, but it may experience...Read more

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B
browser.geekbench.com
30/06/2026
Intel Core i5-1230U Benchmarks - Geekbench Browser

The Intel Core i5-1230U is a 12th Gen Alder Lake-U processor tailored for fanless, ultra-thin laptops with a 9W base TDP and 10-core (2 E) architecture. It delivers competitive performance for its class, averaging around 1,625 single-core and 5,630 multi-core scores in Geekbench 6, supporting modern LPDDR5-5200 RAM and PCIe 4.0. The primary pros include exceptional energy efficiency...Read more

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R
results.bapco.com
30/06/2026
CPU Performance Results for 12th Gen Intel Core i5-1230U - BAPCo

The Intel Core i5-1230U is a 10-core (2 E) ultra-low-voltage processor designed for portable, often fanless, notebooks and tablets with a 9W TDP that scales to 29W. Based on BAPCo CrossMark data, this Alder Lake-U chip features integrated Iris Xe graphics and supports modern LPDDR5-5200 memory. While efficient and capable of handling general productivity, its 0.7 GHz base clock and...Read more

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N
notebookcheck.nl
21/09/2022
Lenovo ThinkPad X13s Gen 1 21BX000QGE (Benchmark comparison with i5-1230U)

The Lenovo ThinkPad X13s Gen 1 is a pioneering fanless, ARM-based laptop featuring the Qualcomm Snapdragon 8cx Gen 3, housed in a highly portable 13.4 mm thick chassis weighing just 1.06 kg. Designed for extreme mobility, it offers silent operation and optional 5G, making it an ideal choice for road warriors. Key advantages include exceptional battery life exceeding 14 hours for...Read more

(Translated)Show original

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