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AMD Ryzen 9 7945HX Review | 78 Data compared

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  • Avg. price in UK: ~£610
  • Avg. price in US: ~$480
  • PassMark benchmark result: 54143
  • N. of physical cores: 16
  • CPU boost clock speed: 5.4 GHz

AMD Ryzen 9 7945HX review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

8.1

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%

8.1

Technical Score

10.0%

?

User score

Excellent
8.1

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%

8.0

Performance

18.0%

9.0

Cache & Architecture

10.0%

8.2

Memory & PCIe

7.0%

6.5

Power & Thermal

4.0%

9.1

Platform

1.0%

7.9

Integrated Graphics

Excellent
?

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

  • 8.3
    Gaming

    Score components:

    30.0%

    7.7

    PassMark single-core benchmark score

    25.0%

    8.1

    Geekbench 6 single-core benchmark score

    20.0%

    8.8

    CPU boost clock speed

    17.0%

    10

    L3 cache

    8.0%

    6.7

    N. of physical cores

  • 8.1
    Video editing

    Score components:

    45.0%

    7.2

    Geekbench 6 multi-core benchmark score

    20.0%

    6.7

    N. of physical cores

    20.0%

    10

    CPU threads

    15.0%

    10

    L3 cache

  • No image
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Best prices in UK

    N/A~ £610

Best rankings

?

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

Verdict

The AMD Ryzen 9 7945HX is a flagship 'Dragon Range' mobile processor built on the Zen 4 architecture, featuring 16 full-performance cores and 32 threads with a base clock of 2.5 GHz and a boost clock of up to 5.4 GHz. It integrates a massive 64 MB L3 cache, supports dual-channel DDR5-5200 memory, and provides 28 PCIe 5.0 lanes, all within a configurable TDP of 55W to 75W. Its primary advantages include industry-leading multi-core performance that often outperforms desktop-class competitors and high energy efficiency under heavy workloads compared to hybrid-architecture rivals. However, it suffers from high idle power consumption due to its chiplet design, which can negatively impact battery life, and its integrated Radeon 610M graphics are relatively weak, serving only basic display needs.

Technical Specifications of processor AMD Ryzen 9 7945HX

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

8.1
AMD Ryzen 9 7945HX has a technical score of 8.15 points, which is higher than that of 96.4% 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
AMD Ryzen 9 7945HX 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%

8.1

Overall score

40.0%

7.3

Price

7.9
AMD Ryzen 9 7945HX has a quality-to-price ratio of 7.9 points, which is higher than 92.7% 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

AMD
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
AMD Ryzen 9 7945HX 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

FL1
AMD Ryzen 9 7945HX uses the FL1 CPU socket, which is older than that of 60.9% of processors and equal to that of 1.1% 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

Z790, H770, B760, Z690, H670, B660, H610
AMD Ryzen 9 7945HX supports Z790, H770, B760, Z690, H670, B660, H610 chipsets, which is broader compatibility than 84.4% of processors and equal to that of 1.2% of processors.
CPU architecture
What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.
When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

x86-64
AMD Ryzen 9 7945HX 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+

16
AMD Ryzen 9 7945HX has 16 CPU cores, which is more than 91.5% of processors and equal to 4% 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+

32
AMD Ryzen 9 7945HX offers 32 CPU threads, which is more than 95% of processors and equal to 3% of processors.
Threads per core
What it is: The number of threads each physical core can handle at once.
When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

2
AMD Ryzen 9 7945HX offers 2 threads per core, which is more than 30.4% of processors and equal to 69.6% of processors.
CPU boost clock speed
What it is: The highest clock speed the processor can reach under boost conditions.
When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

5.4 GHz
AMD Ryzen 9 7945HX reaches a boost clock of 5.4 GHz which is higher than that of 94.9% of processors and equal to that of 2.6% 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

16 x 2.5 GHz
AMD Ryzen 9 7945HX has a base clock of 16x2.5 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

5 nm
AMD Ryzen 9 7945HX uses a 5 nm process node, which is more advanced than that of 85.1% of processors and equal to that of 3.2% 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

TSMC 5 nm
AMD Ryzen 9 7945HX is built on the TSMC 5 nm foundry process, which is more advanced than that of 83.7% of processors and equal to that of 3.2% 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

64 MB
AMD Ryzen 9 7945HX has an L3 cache of 64 MB which is larger than that of 94.6% of processors and equal to that of 2.8% of processors.
L2 cache
What it is: The total amount of L2 cache available across the processor.
When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

16 MB
AMD Ryzen 9 7945HX has an L2 cache of 16 MB which is larger than that of 89.8% of processors and equal to that of 2.7% 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

1,024 KB
AMD Ryzen 9 7945HX has an L1 cache of 1024 KB which is larger than that of 86.1% of processors and equal to that of 1.4% 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

DDR5
AMD Ryzen 9 7945HX supports DDR DDR5, which is newer than that of 66.4% of processors and equal to that of 12.6% 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
AMD Ryzen 9 7945HX 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
AMD Ryzen 9 7945HX 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

?
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
AMD Ryzen 9 7945HX 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
AMD Ryzen 9 7945HX 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

Radeon 610M
AMD Ryzen 9 7945HX uses the Radeon 610M integrated GPU, which is more advanced than that in 89.3% of processors and equal to that in 1.9% 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

2
AMD Ryzen 9 7945HX has 2 GPU execution units, which is fewer than 95.6% of processors and equal to 4.4% 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

400 MHz
AMD Ryzen 9 7945HX has an integrated GPU clock of 400 MHz which is higher than that of 73.3% of processors and equal to that of 8% of processors.
Integrated media encoders/decoders
What it is: The hardware media formats the processor can encode or decode directly.
When it matters: When you stream, edit video, or rely on hardware media acceleration.

Importance: LOW

H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode)
AMD Ryzen 9 7945HX supports H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode) media codecs, which is broader support than 81.6% of processors and equal to 3.2% 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

55 W
AMD Ryzen 9 7945HX has a TDP of 55 W which is higher than that of 63.9% of processors and equal to that of 4.2% 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

55 W
AMD Ryzen 9 7945HX has a base power of 55 W which is higher than that of 64.1% of processors and equal to that of 4.1% 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

?
Tau (power duration limit)
What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.
When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

N/A
Configurable TDP
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

yes
AMD Ryzen 9 7945HX supports configurable TDP. 52.9% of processors support configurable TDP.
cTDP: 7000 W
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AMD Ryzen 9 7945HX vs the average processor

  • 5.14x higher PassMark score
    AMD Ryzen 9 7945HX has a higher PassMark benchmark score than the average processor (54,143 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

    AMD Ryzen 9 7945HX has a higher PassMark benchmark score than the average processor (54,143 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.54,143 vs 10,532.5
  • 4.64x better multi-core performance
    AMD Ryzen 9 7945HX has a higher multi-core performance than the average processor (12,914 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
    What it is: A Cinebench R20 score that reflects how well the processor handles long, heavy rendering workloads across many cores.
    When it matters: When you care about sustained multi-core performance in rendering, compiling, heavy creation work, or productivity workloads that use many threads.

    Importance: HIGH

    Good value: >4700

    AMD Ryzen 9 7945HX has a higher multi-core performance than the average processor (12,914 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.12,914 vs 2,783
  • 24 more CPU threads
    AMD Ryzen 9 7945HX has more CPU threads than the average processor (32 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+

    AMD Ryzen 9 7945HX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.32 vs 8
  • 3.35x higher multi-core score
    AMD Ryzen 9 7945HX has a higher Geekbench 6 multi-core score than the average processor (16,053 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

    AMD Ryzen 9 7945HX has a higher Geekbench 6 multi-core score than the average processor (16,053 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.16,053 vs 4,793
  • 87.8% higher single-core score
    AMD Ryzen 9 7945HX has a higher Geekbench 6 single-core score than the average processor (2,762 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

    AMD Ryzen 9 7945HX has a higher Geekbench 6 single-core score than the average processor (2,762 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.2,762 vs 1,471
  • 62.1% better single-core performance
    AMD Ryzen 9 7945HX has a higher PassMark single-core score than the average processor (4,024 vs 2,483). The average processor scores 2,483 in PassMark single-core.
    What it is: A benchmark score that reflects single-core CPU performance.
    When it matters: When you care about responsiveness in lighter or older software.

    Importance: HIGH

    Good value: >3200

    AMD Ryzen 9 7945HX has a higher PassMark single-core score than the average processor (4,024 vs 2,483). The average processor scores 2,483 in PassMark single-core.4,024 vs 2,483
  • 10 more CPU cores
    AMD Ryzen 9 7945HX has more CPU cores than the average processor (16 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+

    AMD Ryzen 9 7945HX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.16 vs 6
  • 8x larger L3 cache
    AMD Ryzen 9 7945HX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
    What it is: The total amount of L3 cache available on the processor.
    When it matters: When you want better performance in cache-sensitive workloads and games.

    Importance: MEDIUM

    Good value: >=16 MB

    AMD Ryzen 9 7945HX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.64 MB vs 8 MB
  • 3 year/s newer release date
    AMD Ryzen 9 7945HX has a newer release date than the average processor (2,023 vs 2,020).
  • Includes crypto acceleration
    AMD Ryzen 9 7945HX includes crypto acceleration, the average processor does not.
  • 5.14x higher PassMark score
    AMD Ryzen 9 7945HX has a higher PassMark benchmark score than the average processor (54,143 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 4.64x better multi-core performance
    AMD Ryzen 9 7945HX has a higher multi-core performance than the average processor (12,914 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
  • 24 more CPU threads
    AMD Ryzen 9 7945HX has more CPU threads than the average processor (32 vs 8). The average processor has 8 CPU threads.
  • 3.35x higher multi-core score
    AMD Ryzen 9 7945HX has a higher Geekbench 6 multi-core score than the average processor (16,053 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 87.8% higher single-core score
    AMD Ryzen 9 7945HX has a higher Geekbench 6 single-core score than the average processor (2,762 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 62.1% better single-core performance
    AMD Ryzen 9 7945HX has a higher PassMark single-core score than the average processor (4,024 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 10 more CPU cores
    AMD Ryzen 9 7945HX has more CPU cores than the average processor (16 vs 6). The average processor has 6 CPU cores.
  • 25.6% higher boost clock
    AMD Ryzen 9 7945HX has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 56.6% higher Cinebench R20 single-core score
    AMD Ryzen 9 7945HX has a higher Cinebench R20 single-core score than the average processor (758 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • Unlocked for overclocking
    AMD Ryzen 9 7945HX has an unlocked multiplier, the average processor does not.
  • 8x larger L3 cache
    AMD Ryzen 9 7945HX has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 6.4x larger L2 cache
    AMD Ryzen 9 7945HX has a higher L2 cache than the average processor (16 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • More advanced microarchitecture
    AMD Ryzen 9 7945HX uses a more advanced microarchitecture than the average processor (Dragon Range vs Kaby Lake).
  • 2.33x more L3 per core
    AMD Ryzen 9 7945HX has more L3 cache per core than the average processor (4 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
  • 58.3% smaller process node
    AMD Ryzen 9 7945HX has a lower process node than the average processor (5 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • 2.67x larger L1 cache
    AMD Ryzen 9 7945HX has a higher L1 cache than the average processor (1,024 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • More advanced foundry
    AMD Ryzen 9 7945HX uses a more advanced foundry process than the average processor (TSMC 5 nm vs Intel 14 nm).
  • 2x more L2 per core
    AMD Ryzen 9 7945HX has more L2 cache per core than the average processor (1 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
  • 2.65x more transistors
    AMD Ryzen 9 7945HX has more transistors than the average processor (13.1 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
  • 12 more PCIe lanes
    AMD Ryzen 9 7945HX has more PCIe lanes than the average processor (28 vs 16). The average processor offers 16 PCIe lanes.
  • Newer PCIe version
    AMD Ryzen 9 7945HX supports a newer PCIe version than the average processor (5 vs 3.0).
  • Supports memory overclocking
    AMD Ryzen 9 7945HX supports memory overclocking, the average processor does not.
  • 81.7% higher memory bandwidth
    AMD Ryzen 9 7945HX has a higher memory bandwidth than the average processor (83.2 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 77.3% higher memory speed
    AMD Ryzen 9 7945HX 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.
  • Newer DDR support
    AMD Ryzen 9 7945HX supports a newer DDR generation than the average processor (DDR5 vs DDR4).
  • Better integrated GPU
    AMD Ryzen 9 7945HX uses a better integrated GPU than the average processor (Radeon 610M vs Intel UHD Graphics 630).
  • 1 more supported displays
    AMD Ryzen 9 7945HX has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.

Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
  • Older TPM support
    AMD Ryzen 9 7945HX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
  • 78.3% slower Blender rendering
    AMD Ryzen 9 7945HX has a higher Blender BMW27 render time than the average processor (72 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
  • 91.7% fewer GPU execution units
    AMD Ryzen 9 7945HX has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.
  • 22.2% higher base power
    AMD Ryzen 9 7945HX has a higher base power draw than the average processor (55 W vs 45 W). The average processor has a base power draw of 45 W.
  • 22.2% higher TDP
    AMD Ryzen 9 7945HX has a higher TDP than the average processor (55 W vs 45 W). The average processor has a TDP of 45 W.
  • 78.3% slower Blender rendering
    AMD Ryzen 9 7945HX has a higher Blender BMW27 render time than the average processor (72 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
    What it is: A Blender render result based on the BMW27 scene, used to show how quickly the processor can finish a heavy 3D rendering task.
    When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.

    Importance: HIGH

    Good value: >290

    AMD Ryzen 9 7945HX has a higher Blender BMW27 render time than the average processor (72 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.72 vs 331.88
  • 2.44x more expensive
    AMD Ryzen 9 7945HX is more expensive than the average processor (£610 vs £250).
    AMD Ryzen 9 7945HX is more expensive than the average processor (£610 vs £250).£610 vs £250
  • 91.7% fewer GPU execution units
    AMD Ryzen 9 7945HX has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 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

    AMD Ryzen 9 7945HX has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.2 vs 24
  • 22.2% higher base power
    AMD Ryzen 9 7945HX has a higher base power draw than the average processor (55 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

    AMD Ryzen 9 7945HX has a higher base power draw than the average processor (55 W vs 45 W). The average processor has a base power draw of 45 W.55 W vs 45 W
  • Older TPM support
    AMD Ryzen 9 7945HX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
    What it is: The kind of TPM security support associated with the processor or its platform.
    When it matters: When operating-system requirements, device encryption, enterprise security, or platform trust features matter.

    Importance: LOW

    AMD Ryzen 9 7945HX supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).fTPM 2.0 vs PTT 2.0
  • 22.2% higher TDP
    AMD Ryzen 9 7945HX has a higher TDP than the average processor (55 W vs 45 W). The average processor has a TDP of 45 W.
    What it is: The rated thermal design power, which gives a general idea of cooling and power needs.
    When it matters: When you choose a cooler or build in a tighter case.

    Importance: HIGH

    Good value: <30 W

    AMD Ryzen 9 7945HX has a higher TDP than the average processor (55 W vs 45 W). The average processor has a TDP of 45 W.55 W vs 45 W
Total
Overall
Platform
Performance
Integrated Graphics
Power & Thermal

Graphic comparison of AMD Ryzen 9 7945HX and other processors

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Third-party reviews

What customers like about AMD Ryzen 9 7945HX?

  • Exceptional multi-core performance for intensive rendering and professional workloads
  • Highly efficient at lower power limits, outperforming competitors at similar wattages
  • Features 16 high-performance 'Zen 4' cores that are ideal for multi-threaded apps
  • Supports modern standards including DDR5-5200 and PCIe 5.0
  • Offers a significant performance leap over previous generations like the 6900HX

What customers dislike about AMD Ryzen 9 7945HX?

  • High idle power consumption due to its chiplet design, leading to poor battery life
  • Often operates at high temperatures (up to 90-100°C) under heavy multi-core loads
  • Single-core performance and gaming FPS can slightly trail Intel's flagship HX models
  • Performance in specific synthetic benchmarks like 3DMark TimeSpy CPU is lower than expected
  • Requires high-end cooling solutions to avoid thermal throttling

Expert reviews

G
guru3d.com
21/04/2023
AMD Ryzen 9 7945HX (Dragon Range) processor review

The AMD Ryzen 9 7945HX, a 16-core, 32-thread mobile processor based on the Zen 4 architecture, delivers top-tier performance for laptops by operating as a high-TDP, high-frequency (up to 5.4 GHz) "Dragon Range" chip built on TSMC's 5nm process. Guru3D highlights its massive multi-threaded superiority in applications like rendering, frequently outperforming competitors in...Read more

K
kitguru.net
26/05/2023
AMD Ryzen 9 7945HX Review ft. Asus ROG Strix Scar 17

Leo Waldock’s review for KitGuru identifies the ASUS ROG Strix Scar 17 (2023), equipped with an AMD Ryzen 9 7945HX, as a top-tier mobile performer comparable to a desktop replacement. The 16-core CPU delivers exceptional processing power, supported by a 17.3-inch 240Hz display and advanced cooling featuring liquid metal, allowing the system to maintain high boost frequencies without...Read more

C
computerbase.de
02. Mai 2023
AMD Ryzen 9 7945HX Review: Dragon Range Outclasses Intel HX in Efficiency

The AMD Ryzen 9 7945HX "Dragon Range" brings 16 Zen 4 cores to laptops, offering immense multi-core performance that often outperforms the Intel Core i9-13980HX while using less power under heavy load. A major pro is its efficiency in sustained workloads combined with a 64MB L3 cache, making it a top choice for rendering and gaming, although it requires robust cooling to manage...Read more

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N
notebookcheck.com
07/10/2024
Minisforum BD790i motherboard with AMD Ryzen 9 7945HX and Nvidia GeForce RTX 4090 tested

The Minisforum BD790i is a unique Mini-ITX motherboard featuring a soldered 16-core AMD Ryzen 9 7945HX, designed to bridge the gap between high-end laptops and small-form-factor (SFF) desktops. It offers impressive multi-threaded performance comparable to desktop counterparts, paired with a full-speed PCIe 5.0 x16 slot for high-end GPUs and active cooling for dual M.2 NVMe drives....Read more

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N
notebookcheck.biz
03/04/2023
AMD Ryzen 9 7945HX Review: Zen 4 Dragon faster and more efficient than Intel Raptor Lake-HX

The AMD Ryzen 9 7945HX (Zen 4 "Dragon Range") brings 16-core desktop-class performance to laptops, boasting up to 5.4 GHz boost clocks. Key pros include industry-leading multi-core performance that often outperforms Intel’s Core i9-13980HX, particularly with superior power efficiency at 120W, alongside support for DDR5-5200 and PCIe 5.0. However, the chip’s "desktop-first" design...Read more

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L
lesnumeriques.com
16/05/2023
Lab – AMD Ryzen 9 7945HX: An Efficiency Monster

The AMD Ryzen 9 7945HX is a high-performance 16-core, 32-thread "Dragon Range" processor that brings desktop-class efficiency to laptops, boasting exceptional multi-core performance in 3D rendering tasks with lower peak power consumption compared to Intel competitors. While delivering superior performance-per-watt, the chip is designed for large, heavily cooled, and expensive...Read more

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N
notebookcheck.biz
05/10/2024
Minisforum BD790i Review: Mini-ITX Motherboard with Ryzen 9 7945HX and PCIe 5.0 for Small Gaming PCs

The Minisforum BD790i is a high-performance Mini-ITX motherboard featuring an integrated AMD Ryzen 9 7945HX (16-core/32-thread), offering desktop-class power with 100W efficiency suited for compact gaming builds. Key advantages include full PCIe 5.0 x16 support for top-tier GPUs, dual PCIe 5.0 M.2 slots with active cooling, and a pre-installed massive heatsink that keeps the system...Read more

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C
clubic.com
15/05/2023
ASUS ROG Strix Scar 17 Review: AMD beats Intel, but not everywhere

According to Clubic, the ASUS ROG Strix Scar 17 (2023) is a performance-focused gaming laptop, utilizing an AMD Ryzen 9 7945HX and NVIDIA RTX 4090 to deliver top-tier, desktop-level performance at a competitive price point. The device shines with an efficient cooling system, a high-quality 17.3-inch QHD 240Hz display, and strong audio, though it lacks a premium feel due to a...Read more

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C
cpubenchmark.net
30/06/2026
AMD Ryzen 9 7945HX - Pruebas de rendimiento de la CPU y comparativas (www.xmg.gg) | 17/09/2024 | Análisis en profundidad: XMG APEX 17 MAX con Ryzen 9...

The AMD Ryzen 9 7945HX is a high-performance 16-core, 32-thread mobile processor based on the Zen 4 architecture, offering desktop-class computing in a laptop form factor. It boasts excellent multi-core performance and strong efficiency, often outperforming or matching top-tier competitors while operating at lower power levels. Key advantages include its high-speed performance for...Read more

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T
tvtech.it
15/05/2023
ASUS ROG Strix SCAR 17 (2023) G733: A Powerhouse with Ryzen 9 7945HX and RTX 4090 Laptop GPU

The Asus ROG Strix SCAR 17 (2023) G733 is a high-performance 17.3-inch gaming laptop powered by an AMD Ryzen 9 7945HX processor and NVIDIA GeForce RTX 4090 GPU, delivering top-tier, enthusiast-grade performance. Key advantages include its immense multi-core processing power, robust vapor chamber cooling with liquid metal, and high-speed connectivity. However, it is limited by poor...Read more

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N
notebookcheck.nl
04/05/2023
AMD Ryzen 9 7940HS Review: Zen 4 Phoenix aims for Apple-level efficiency (including 7945HX comparison)

The NotebookCheck analysis of the AMD Ryzen 9 7940HS highlights the "Phoenix" architecture's exceptional power efficiency, particularly at 35–45W, where it rivals Apple’s M2 Pro and Max chips. The 4nm, 8-core CPU, featuring a 5.2 GHz boost, Ryzen AI (XDNA), and AV1 encoding, provides significant performance gains over Zen 3+ while delivering strong integrated RDNA 3 Radeon 780M...Read more

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H
hardware.info
30/10/2023
Asus ROG Strix Scar G733P: The first laptop with a mobile AMD X3D processor (Ryzen 9 7945HX benchmarks)

The ASUS ROG Strix SCAR 17 G733P, reviewed by Hardware Info, is a high-performance gaming laptop featuring the AMD Ryzen 9 7945HX3D processor with 3D V-Cache and an NVIDIA GeForce RTX 4090 GPU. It delivers top-tier performance for gaming and demanding professional tasks like 3D modeling, supported by an advanced cooling system. The device features a 17.3-inch 240Hz WQHD display, an...Read more

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