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Intel Core i5 1245U Review | 78 Data compared

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  • Avg. price in UK: ~£260
  • Avg. price in US: ~$310
  • PassMark benchmark result: 12878
  • N. of physical cores: 10
  • CPU boost clock speed: 4.4 GHz

Intel Core i5 1245U review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.1

Overall score

What it is: An overall evaluation of the processor's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best processors on the market.

Score components:

90.0%

6.1

Technical Score

10.0%

?

User score

Good
6.1

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%

5.2

Performance

18.0%

7.6

Cache & Architecture

10.0%

6.9

Memory & PCIe

7.0%

7.3

Power & Thermal

4.0%

7.9

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

  • 5.8
    Gaming

    Score components:

    30.0%

    5.4

    PassMark single-core benchmark score

    25.0%

    9.0

    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

  • 4.0
    Video editing

    Score components:

    45.0%

    4.3

    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

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Best prices in UK

    N/A~ £260

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 i5-1245U is a 12th-generation Alder Lake-U mobile processor designed for thin-and-light laptops, featuring a hybrid architecture of 10 cores (2 Performance-cores and 8 Efficient-cores) and 12 threads. It operates with a base power of 15W, reaching a max turbo frequency of 4.40 GHz and includes 12MB of Intel Smart Cache with integrated Intel Iris Xe graphics. Main pros include its support for advanced vPro Enterprise management, high power efficiency for portable use, and compatibility with modern memory types like DDR5-4800 and LPDDR5-5200. However, its low base clock speeds and 15W TDP can limit sustained heavy workloads, and it generally offers lower multi-threaded performance compared to the 28W P-series or 45W H-series chips.

Technical Specifications of processor Intel Core i5 1245U

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

6.1
Intel Core i5 1245U has a technical score of 6.06 points, which is higher than that of 64.8% 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%

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 1245U 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%

6.1

Overall score

40.0%

9.2

Price

7.0
Intel Core i5 1245U has a quality-to-price ratio of 7 points, which is higher than 72.2% 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 1245U 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 i5 1245U 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 i5 1245U 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 1245U 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 1245U 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 1245U 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 1.6 GHz & 8 x 1.2 GHz
Intel Core i5 1245U has a base clock of 2x1.6 GHz & 8x1.2 GHz which is equal to that of 100% of processors.
Show more
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 1245U 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 1245U 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 1245U 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 1245U 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 1245U 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

DDR4/DDR5/LPDDR4X/LPDDR5
Intel Core i5 1245U supports DDR DDR4/DDR5/LPDDR4X/LPDDR5, which is newer than that of 95.7% of processors and equal to that of 1.5% 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 i5 1245U 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 1245U 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 1245U supports up to 64 GB of memory, which is more than 28.4% of processors and equal to 27.6% 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 Core i5 1245U includes integrated graphics. 87.6% of processors include integrated graphics.
Intel Iris Xe 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 1245U 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 1245U 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 1245U 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 1245U supports AV1 (HW decode) media codecs, which is narrower support than 63.1% of processors and equal to 10.8% of processors.
Show more
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 i5 1245U 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 i5 1245U 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 i5 1245U 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 i5 1245U 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 i5 1245U supports configurable TDP. 52.9% of processors support configurable TDP.
cTDP: 12 W
Show more

Intel Core i5 1245U vs the average processor

  • Newer DDR support
    Intel Core i5 1245U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5 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 i5 1245U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5 vs DDR4).DDR4/DDR5/LPDDR4X/LPDDR5 vs DDR4
  • 3.8x larger L2 cache
    Intel Core i5 1245U 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 1245U 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 1245U 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 1245U 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
  • 4 more CPU cores
    Intel Core i5 1245U 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 1245U 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 1245U 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 i5 1245U uses a big.LITTLE design, the average processor does not.
  • 34.1% higher Cinebench R20 single-core score
    Intel Core i5 1245U has a higher Cinebench R20 single-core score than the average processor (649 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 i5 1245U has a higher Cinebench R20 single-core score than the average processor (649 vs 484). The average processor scores 484 in Cinebench R20 single-core.649 vs 484
  • 82.8% higher multi-core score
    Intel Core i5 1245U has a higher Geekbench 6 multi-core score than the average processor (8,760 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 Core i5 1245U has a higher Geekbench 6 multi-core score than the average processor (8,760 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.8,760 vs 4,793
  • Newer PCIe version
    Intel Core i5 1245U 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 1245U supports a newer PCIe version than the average processor (4 vs 3.0).4.0 vs 3.0
  • Supports HMP
    Intel Core i5 1245U supports HMP, the average processor does not.
  • 4 more CPU cores
    Intel Core i5 1245U has more CPU cores than the average processor (10 vs 6). The average processor has 6 CPU cores.
  • 34.1% higher Cinebench R20 single-core score
    Intel Core i5 1245U has a higher Cinebench R20 single-core score than the average processor (649 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • 82.8% higher multi-core score
    Intel Core i5 1245U has a higher Geekbench 6 multi-core score than the average processor (8,760 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 22.2% better single-core performance
    Intel Core i5 1245U has a higher PassMark single-core score than the average processor (3,034 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 4 more CPU threads
    Intel Core i5 1245U has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.
  • 2 wider front-end design
    Intel Core i5 1245U 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 1245U 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 1245U 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 1245U uses a big.LITTLE design, the average processor does not.
  • More advanced microarchitecture
    Intel Core i5 1245U uses a more advanced microarchitecture than the average processor (Alder Lake vs Kaby Lake).
  • 2.42x larger L1 cache
    Intel Core i5 1245U 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 1245U uses a more advanced foundry process than the average processor (Intel 7 vs Intel 14 nm).
  • 50% larger L3 cache
    Intel Core i5 1245U 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 1245U 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 i5 1245U supports a newer DDR generation than the average processor (DDR4/DDR5/LPDDR4X/LPDDR5 vs DDR4).
  • Newer PCIe version
    Intel Core i5 1245U supports a newer PCIe version than the average processor (4 vs 3.0).
  • 4 more PCIe lanes
    Intel Core i5 1245U 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 i5 1245U 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 1245U 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 1245U 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 1245U has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
  • 66.7% lower base power
    Intel Core i5 1245U 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 i5 1245U 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 i5 1245U supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES, SHA vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
  • Older CPU socket
    Intel Core i5 1245U uses an older CPU socket than the average processor (FCBGA1,744 vs FP2).
  • 12 lower clock multiplier
    Intel Core i5 1245U has a lower clock multiplier than the average processor (16 vs 28). The average processor has a clock multiplier of 28.
  • 30% less L3 per core
    Intel Core i5 1245U 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.
  • Narrower media codec support
    Intel Core i5 1245U 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)).
  • 30% less L3 per core
    Intel Core i5 1245U 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 1245U 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
  • Narrower media codec support
    Intel Core i5 1245U 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 1245U 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)
  • Narrower instruction support
    Intel Core i5 1245U supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES, SHA 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 1245U supports a narrower instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES, SHA vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AES, SHA vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA
  • 12 lower clock multiplier
    Intel Core i5 1245U 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 i5 1245U 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 i5 1245U 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 i5 1245U uses an older CPU socket than the average processor (FCBGA1,744 vs FP2).FCBGA1744 vs FP2
Total
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Performance
Cache & Architecture
Integrated Graphics

Graphic comparison of Intel Core i5 1245U and other processors

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Third-party reviews

What customers like about Intel Core i5 1245U?

  • Excellent multitasking capabilities for productivity tasks and web browsing with multiple tabs
  • Strong performance-to-cost ratio for mid-range office and school-based work
  • Significant performance jump compared to previous 11th Gen Core i7 processors
  • Efficient thermal management during standard workloads like file transfers and basic editing
  • Low base power consumption (15W TDP) making it suitable for thin and light laptops

What customers dislike about Intel Core i5 1245U?

  • Not suitable for demanding modern gaming; limited to very light titles due to integrated Iris Xe 80EU graphics
  • Underwhelming battery runtime reported in some Alder Lake-U configurations unless paired with a large battery
  • Heat generation issues specifically observed during rapid charging
  • Limited sustained performance under long-term heavy loads due to TDP and thermal constraints
  • Locked multiplier prevents any potential for overclocking

Expert reviews

C
cpubenchmark.net
Updated Daily
Intel Core i5-1245U - CPU Benchmarks Would you like me to find performance comparisons between this i5-1245U and other 12th Gen processors?

The Intel Core i5-1245U is a 15W Alder Lake-based mobile processor with 10 cores (2 P-cores, 8 E-cores) and 12 threads, designed for thin and light laptops. It features strong single-threaded performance for daily productivity, support for DDR5-5200 and PCIe Gen 4, and vPro management features. While offering substantial performance gains over previous generations, the U-series chip...Read more

T
techradar.com
11/07/2022
HP Elite Dragonfly Chromebook review

The HP Elite Dragonfly Chromebook is identified by TechRadar as a top-tier, business-focused device, combining 12th Gen Intel Core performance with a premium design, though it carries a high price point. Key features include a vibrant 13.5-inch 3:2 touchscreen, a 5MP webcam, and exceptional connectivity options like 5G and Thunderbolt 4. While offering excellent performance and...Read more

L
laptopmag.com
11/10/2022
HP Elite Dragonfly Chromebook review: The corner office

The HP Elite Dragonfly Chromebook is a premium, business-focused 2-in-1 featuring a durable, lightweight magnesium-alloy chassis, a 360-degree hinge, and a productivity-friendly 3:2 touchscreen display. It is equipped with a high-quality 5MP webcam, a responsive haptic touchpad, and versatile port options including Thunderbolt 4, setting a new standard for ChromeOS hardware....Read more

L
laptopmag.com
20/10/2022
Dell Latitude 9430 review: A top-tier 2-in-1 laptop

The Dell Latitude 9430 is a premium business 2-in-1 featuring a durable, slim aluminium chassis, a 14-inch 16:10 touchscreen with high brightness, and robust security tools like the SafeShutter webcam and ExpressSign-in proximity sensors. Performance is strong for productivity, with the Intel Core i7-1265U processor handling multitasking efficiently, while the battery provides an...Read more

B
browser.geekbench.com
20/02/2022
Intel Core i5-1245U Benchmarks - Geekbench Browser

The Intel Core i5-1245U is a 12th Gen "Alder Lake" mobile processor featuring a 10-core hybrid architecture (2 E) designed for thin, business-focused laptops. It supports Enterprise vPro management, DDR5 memory, and PCIe 4.0, offering strong burst performance for productivity tasks. Key cons include potential thermal throttling under sustained loads due to its 15W base power rating,...Read more

L
laptopmedia.com
01/03/2022
Intel Core i5-1245U | LaptopMedia - Performance Benchmarks

The Intel Core i5-1245U is a 10-core (2P + 8E), 12-thread Alder Lake-U series mobile processor designed for thin, 15W business laptops, featuring a max turbo frequency of 4.40 GHz and 55W peak power. According to LaptopMedia, the processor delivers strong, responsive single-core performance for productivity and supports modern standards like DDR5 memory and PCIe 4.0, while including...Read more

(Translated)Show original
L
laptopmedia.com
04/01/2022
Intel Core i5-1245U | LaptopMedia

The Intel Core i5-1245U is a 10-core (2 E), 15W TDP mobile processor designed for thin-and-light laptops, featuring hybrid architecture and vPro management for enterprise use. It delivers improved multi-threaded performance, reaching a Cinebench R23 score of up to 8769, while supporting modern DDR5/LPDDR5 memory and PCIe 4.0. Key benefits include strong responsiveness for office...Read more

(Translated)Show original
L
laptopmedia.com
01/11/2022
HP EliteBook 840 G9 Review

The HP EliteBook 840 G9 is a premium 14-inch business laptop featuring a modern 16:10 display and a robust, all-aluminum chassis, according to LaptopMedia. A key advantage is its excellent serviceability, offering two SODIMM slots for up to 64GB DDR5 RAM and a Gen 4 SSD slot, alongside a high-quality keyboard and touchpad. Performance, based on 12th Gen Intel processors, is...Read more

(Translated)Show original

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