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Intel Core i3 1305U Review | 78 Data compared

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  • Avg. price: ~£140
  • PassMark benchmark result: 8578
  • N. of physical cores: 5
  • CPU boost clock speed: 4.5 GHz

Intel Core i3 1305U review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.3

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%

6.3

Technical Score

10.0%

?

User score

Good
6.3

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%

5.7

Performance

18.0%

7.0

Cache & Architecture

10.0%

7.0

Memory & PCIe

7.0%

7.3

Power & Thermal

4.0%

7.6

Platform

1.0%

7.7

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

  • 4.9
    Gaming

    Score components:

    30.0%

    5.3

    PassMark single-core benchmark score

    25.0%

    6.2

    Geekbench 6 single-core benchmark score

    20.0%

    6.1

    CPU boost clock speed

    17.0%

    2.4

    L3 cache

    8.0%

    2.2

    N. of physical cores

  • 5.3
    Video editing

    Score components:

    45.0%

    9.0

    Geekbench 6 multi-core benchmark score

    20.0%

    2.2

    N. of physical cores

    20.0%

    2.2

    CPU threads

    15.0%

    2.4

    L3 cache

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Best prices in UK

    N/A~ £140

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 i3-1305U is an entry-level mobile processor from the Raptor Lake-U series, featuring a unique 5-core and 6-thread architecture comprising 1 Performance-core (up to 4.50 GHz) and 4 Efficient-cores (up to 3.30 GHz). Main characteristics include a 10 MB Intel Smart Cache, support for high-speed DDR5-5200 or LPDDR5-6400 memory, and integrated Intel UHD Graphics with 64 Execution Units. Its primary pros are exceptional power efficiency for thin-and-light laptops with a 15W base TDP and support for modern technologies like PCIe 4.0 and WiFi 6E. However, its main cons include limited multitasking and gaming capabilities due to having only a single performance core, and performance that is restricted to basic office tasks and web browsing.

Technical Specifications of processor Intel Core i3 1305U

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

6.3
Intel Core i3 1305U has a technical score of 6.29 points, which is higher than that of 69.4% 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%

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 i3 1305U 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%

6.3

Overall score

40.0%

9.8

Price

7.3
Intel Core i3 1305U has a quality-to-price ratio of 7.3 points, which is higher than 79.4% of products in this category.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

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

Importance: HIGH

mobile
Intel Core i3 1305U 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

FCBGA1744
Intel Core i3 1305U uses the FCBGA1744 CPU socket, which is older than that of 71% of processors and equal to that of 5.1% 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 i3 1305U 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+

5
Intel Core i3 1305U has 5 CPU cores, which is fewer than 50.2% of processors and equal to 0.5% of processors.
CPU threads
What it is: The total number of processing threads the CPU can handle at once.
When it matters: When you run heavily threaded workloads or multitask a lot.

Importance: HIGH

Good value: 16+

6
Intel Core i3 1305U offers 6 CPU threads, which is fewer than 64.8% of processors and equal to 2.2% 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

4.5 GHz
Intel Core i3 1305U reaches a boost clock of 4.5 GHz which is higher than that of 56.5% of processors and equal to that of 5.4% 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

1 x 0.9 GHz & 4 x 1.2 GHz
Intel Core i3 1305U has a base clock of 1x0.9 GHz & 4x1.2 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 i3 1305U 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 i3 1305U 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

10 MB
Intel Core i3 1305U has an L3 cache of 10 MB which is larger than that of 53.6% of processors and equal to that of 0.6% 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

3.5 MB
Intel Core i3 1305U has an L2 cache of 3.5 MB which is larger than that of 54.9% of processors and equal to that of 0.1% 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

464 KB
Intel Core i3 1305U has an L1 cache of 464 KB which is larger than that of 61.1% of processors and equal to that of 0.4% 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/DDR5/LPDDR4X/LPDDR5/LPDDR5X
Intel Core i3 1305U supports DDR DDR4/DDR5/LPDDR4X/LPDDR5/LPDDR5X, which is newer than that of 97.3% of processors and equal to that of 2.7% 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

5,200 MHz
Intel Core i3 1305U 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

DDR5-5200 MHz
Intel Core i3 1305U supports JEDEC memory speeds up to DDR5-5200 MHz, which is higher than that of 74.1% of processors and equal to 5.2% 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

96 GB
Intel Core i3 1305U supports up to 96 GB of memory, which is more than 56% of processors and equal to 5.8% 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 i3 1305U includes integrated graphics. 87.6% of processors include integrated graphics.
Integrated GPU model
What it is: The model name of the integrated graphics processor, if present.
When it matters: When you plan to use the CPU's built-in graphics.

Importance: MEDIUM

Intel UHD Graphics 64EU
Intel Core i3 1305U uses the Intel UHD Graphics 64EU integrated GPU, which is less advanced than that in 60.5% of processors and equal to that in 0.7% 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

64
Intel Core i3 1305U has 64 GPU execution units, which is more than 87.4% of processors and equal to 3.5% 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 i3 1305U 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 i3 1305U 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

15 W
Intel Core i3 1305U has a TDP of 15 W which is lower than that of 77.7% of processors and equal to that of 16.1% of processors.
Base power (PL1)
What it is: The sustained power target used for longer CPU loads.
When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

15 W
Intel Core i3 1305U has a base power of 15 W which is lower than that of 77.2% of processors and equal to that of 16.2% of processors.
Boost power (PL2)
What it is: The short-term boost power limit the processor may draw under heavier turbo loads.
When it matters: When you size cooling and power delivery for peak turbo behavior.

Importance: MEDIUM

Good value: <50 W

55 W
Intel Core i3 1305U has a boost power of 55 W which is lower than that of 57.3% of processors and equal to that of 4.6% 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 i3 1305U has a turbo duration of 28 seconds which is longer than that of 3.8% of processors and equal to that of 85% of processors.
Configurable TDP
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

yes
Intel Core i3 1305U supports configurable TDP. 52.9% of processors support configurable TDP.
cTDP: 12 W
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Intel Core i3 1305U vs the average processor

  • 3.3x higher Cinebench R20 single-core score
    Intel Core i3 1305U has a higher Cinebench R20 single-core score than the average processor (1,598 vs 484). The average processor scores 484 in Cinebench R20 single-core.
    What it is: A Cinebench R20 benchmark score that reflects single-core CPU performance.
    When it matters: When you care about lighter workloads, interface responsiveness, or software that still depends heavily on one fast core.

    Importance: HIGH

    Good value: >600

    Intel Core i3 1305U has a higher Cinebench R20 single-core score than the average processor (1,598 vs 484). The average processor scores 484 in Cinebench R20 single-core.1,598 vs 484
  • Newer DDR support
    Intel Core i3 1305U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5/LPDDR5X vs DDR4).
    What it is: The RAM generation the processor is designed to support, such as DDR4 or DDR5.
    When it matters: When you need the CPU to match the kind of memory platform you want to buy or reuse.

    Importance: MEDIUM

    Good value: DDR5

    Intel Core i3 1305U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5/LPDDR5X vs DDR4).DDR4/DDR5/LPDDR4X/LPDDR5/LPDDR5X vs DDR4
  • 2.5x more L2 per core
    Intel Core i3 1305U 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 i3 1305U 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
  • 44.9% higher single-core score
    Intel Core i3 1305U has a higher Geekbench 6 single-core score than the average processor (2,131 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 Core i3 1305U has a higher Geekbench 6 single-core score than the average processor (2,131 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.2,131 vs 1,471
  • Uses big.LITTLE design
    Intel Core i3 1305U uses a big.LITTLE design, the average processor does not.
    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 i3 1305U uses a big.LITTLE design, the average processor does not.
  • More advanced microarchitecture
    Intel Core i3 1305U uses a more advanced microarchitecture than the average processor (Raptor 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 i3 1305U uses a more advanced microarchitecture than the average processor (Raptor Lake vs Kaby Lake).Raptor Lake vs Kaby Lake
  • Newer PCIe version
    Intel Core i3 1305U 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 i3 1305U supports a newer PCIe version than the average processor (4 vs 3.0).4.0 vs 3.0
  • 66.7% lower base power
    Intel Core i3 1305U has a lower base power draw than the average processor (15 W vs 45 W). The average processor has a base power draw of 45 W.
    What it is: The sustained power target used for longer CPU loads.
    When it matters: When you choose cooling and power delivery for sustained workloads.

    Importance: MEDIUM

    Good value: <30 W

    Intel Core i3 1305U has a lower base power draw than the average processor (15 W vs 45 W). The average processor has a base power draw of 45 W.15 W vs 45 W
  • Supports HMP
    Intel Core i3 1305U supports HMP, the average processor does not.
  • 3 year/s newer release date
    Intel Core i3 1305U has a newer release date than the average processor (2,023 vs 2,020).
  • 3.3x higher Cinebench R20 single-core score
    Intel Core i3 1305U has a higher Cinebench R20 single-core score than the average processor (1,598 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • 44.9% higher single-core score
    Intel Core i3 1305U has a higher Geekbench 6 single-core score than the average processor (2,131 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 20.2% better single-core performance
    Intel Core i3 1305U has a higher PassMark single-core score than the average processor (2,984 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 4.7% higher boost clock
    Intel Core i3 1305U has a higher boost clock speed than the average processor (4.5 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 2 wider front-end design
    Intel Core i3 1305U has a higher front-end width than the average processor (6 vs 4). The average processor uses front-end width of 4.
  • 2.5x more L2 per core
    Intel Core i3 1305U 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 i3 1305U uses a big.LITTLE design, the average processor does not.
  • More advanced microarchitecture
    Intel Core i3 1305U uses a more advanced microarchitecture than the average processor (Raptor Lake vs Kaby Lake).
  • More advanced foundry
    Intel Core i3 1305U uses a more advanced foundry process than the average processor (Intel 7 vs Intel 14 nm).
  • 16.7% more L3 per core
    Intel Core i3 1305U 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.
  • 16.7% smaller process node
    Intel Core i3 1305U 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 DDR support
    Intel Core i3 1305U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5/LPDDR5X vs DDR4).
  • Newer PCIe version
    Intel Core i3 1305U supports a newer PCIe version than the average processor (4 vs 3.0).
  • 4 more PCIe lanes
    Intel Core i3 1305U has more PCIe lanes than the average processor (20 vs 16). The average processor offers 16 PCIe lanes.
  • 77.3% higher memory speed
    Intel Core i3 1305U 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.
  • 50% more memory capacity
    Intel Core i3 1305U has more maximum memory capacity than the average processor (96 GB vs 64 GB). The average processor supports 64 GB of memory.
  • 2.67x more GPU execution units
    Intel Core i3 1305U has more GPU execution units than the average processor (64 vs 24). The average processor has 24 GPU execution units.
  • 1 more supported displays
    Intel Core i3 1305U has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
  • 66.7% lower base power
    Intel Core i3 1305U has a lower base power draw than the average processor (15 W vs 45 W). The average processor has a base power draw of 45 W.
  • 66.7% lower TDP
    Intel Core i3 1305U has a lower TDP than the average processor (15 W vs 45 W). The average processor has a TDP of 45 W.

Total
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal
  • Narrower instruction support
    Intel Core i3 1305U supports a narrower instruction set than the average processor (MMX, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • Older CPU socket
    Intel Core i3 1305U uses an older CPU socket than the average processor (FCBGA1,744 vs FP2).
  • 50% lower bus speed
    Intel Core i3 1305U has a lower bus speed than the average processor (4 GT/s vs 8 GT/s). The average processor runs at bus speed of 8 GT/s.
  • 2 fewer CPU threads
    Intel Core i3 1305U has fewer CPU threads than the average processor (6 vs 8). The average processor has 8 CPU threads.
  • 1 fewer CPU cores
    Intel Core i3 1305U has fewer CPU cores than the average processor (5 vs 6). The average processor has 6 CPU cores.
  • 12 lower clock multiplier
    Intel Core i3 1305U has a lower clock multiplier than the average processor (16 vs 28). The average processor has a clock multiplier of 28.
  • 18.6% lower PassMark score
    Intel Core i3 1305U has a lower PassMark benchmark score than the average processor (8,578 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • Narrower media codec support
    Intel Core i3 1305U 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)).
  • Narrower instruction support
    Intel Core i3 1305U supports a narrower instruction set than the average processor (MMX, SSE4.1, SSE4.2, AVX, AVX2, FMA3, 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 Core i3 1305U supports a narrower instruction set than the average processor (MMX, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).MMX, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA
  • Narrower media codec support
    Intel Core i3 1305U 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 i3 1305U 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)
  • 50% lower bus speed
    Intel Core i3 1305U has a lower bus speed than the average processor (4 GT/s vs 8 GT/s). The average processor runs at bus speed of 8 GT/s.
    What it is: The base platform clock used by older processor designs to derive other operating speeds.
    When it matters: When you are comparing older CPU platforms where bus design still affects how clocks and compatibility are set up.

    Importance: MEDIUM

    Good value: >=8 GT/s

    Intel Core i3 1305U has a lower bus speed than the average processor (4 GT/s vs 8 GT/s). The average processor runs at bus speed of 8 GT/s.4 GT/s vs 8 GT/s
  • 1 fewer CPU cores
    Intel Core i3 1305U has fewer CPU cores than the average processor (5 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 i3 1305U has fewer CPU cores than the average processor (5 vs 6). The average processor has 6 CPU cores.5 vs 6
  • 2 fewer CPU threads
    Intel Core i3 1305U has fewer CPU threads than the average processor (6 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 i3 1305U has fewer CPU threads than the average processor (6 vs 8). The average processor has 8 CPU threads.6 vs 8
  • 12 lower clock multiplier
    Intel Core i3 1305U has a lower clock multiplier than the average processor (16 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 i3 1305U has a lower clock multiplier than the average processor (16 vs 28). The average processor has a clock multiplier of 28.16 vs 28
  • Older CPU socket
    Intel Core i3 1305U uses an older CPU socket than the average processor (FCBGA1,744 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 i3 1305U uses an older CPU socket than the average processor (FCBGA1,744 vs FP2).FCBGA1744 vs FP2
  • 18.6% lower PassMark score
    Intel Core i3 1305U has a lower PassMark benchmark score than the average processor (8,578 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 i3 1305U has a lower PassMark benchmark score than the average processor (8,578 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.8,578 vs 10,532.5
Total
Platform
Performance
Integrated Graphics

Graphic comparison of Intel Core i3 1305U and other processors

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Third-party reviews

What customers like about Intel Core i3 1305U?

  • Excellent value for money for an entry-level budget laptop
  • Smooth performance in basic daily tasks like web surfing, MS Office, and PDF viewing
  • Impressive single-core turbo performance for its class, reaching up to 4.5 GHz
  • High energy efficiency with a low base TDP of 15W, leading to better battery life compared to previous generations
  • Supports modern standards including DDR5-5200 memory and PCIe Gen 4
  • Surprisingly capable of 'light gaming' (e.g., Minecraft, GTA V at 720p) despite being a budget chip

What customers dislike about Intel Core i3 1305U?

  • Limited multitasking potential due to having only 1 Performance-core and 4 Efficient-cores (5 cores total)
  • Integrated Intel UHD graphics are insufficient for modern AAA gaming or heavy video editing
  • Performance is lower than its direct 13th Gen sibling, the i3-1315U, in both single and multi-threaded tasks
  • The multiplier is locked, which prevents any potential for overclocking
  • Often bottlenecked in real-world use by the 8GB RAM typically paired with this processor in budget builds

Expert reviews

S
score.nero.com
29/03/2026
13th Gen Intel Core i3-1305U Benchmarks - Nero Score

The 13th Gen Intel Core i3-1305U is an entry-level mobile processor for thin-and-light laptops, featuring a 5-core/6-thread hybrid architecture. It offers high energy efficiency with a 15W TDP and decent snappy performance via 4.5 GHz boost speeds. A major limitation is its weak multi-core performance and integrated UHD Graphics, making it unsuitable for heavy editing or gaming. The...Read more

B
browser.geekbench.com
29/03/2026
Intel Core i3-1305U Benchmarks - Geekbench Browser

The Intel Core i3-1305U is a 13th Gen Raptor Lake-U entry-level mobile processor designed for thin, budget laptops, featuring a 5-core (1 P-core, 4 E-cores) and 6-thread configuration. It offers strong single-core performance suitable for daily tasks with a 15W base power consumption, while supporting modern technologies like DDR5-5200 and PCIe 4.0. Pros include high responsiveness...Read more

L
laptopmedia.com
30/03/2026
Intel Core i3-1305U - LaptopMedia

The Intel Core i3-1305U is an entry-level Raptor Lake-U series processor designed for budget-conscious, thin-and-light laptops. It features a 5-core/6-thread hybrid architecture (1 P-core, 4 E-cores) and operates with a 15W base TDP, delivering efficient performance for everyday office tasks and web browsing. While it offers a 4.5GHz turbo boost and supports modern DDR5/LPDDR5...Read more

L
laptopmedia.com
Q1 2023
Intel Core i3-1305U | LaptopMedia

The Intel Core i3-1305U is a 15W entry-level Raptor Lake-U series processor designed for thin-and-light laptops, featuring 1 Performance-core and 4 Efficient-cores (5 cores/6 threads). It provides high efficiency for daily office tasks and web browsing with boost speeds up to 4.5 GHz. The processor boasts strong single-core responsiveness, support for modern DDR5-5200 RAM and PCIe...Read more

(Translated)Show original
L
laptopmedia.com
01/01/2025
Lenovo IdeaPad Slim 3 15" Gen 8 (15IAN8) Review

The Lenovo IdeaPad Slim 3 15 Gen 8 (15IAN8) is a budget-friendly, highly portable 15-inch laptop featuring a thin 17.9mm plastic chassis and efficient performance for daily tasks. Pros include a comfortable keyboard, a smooth touchpad, and a physical privacy shutter, though the construction lacks rigidity and the lid is not one-hand openable. Powered by efficient processors like the...Read more

(Translated)Show original

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