OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Processors Methodology v1.0
Processors Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are evaluated mathematically under Frontumo Processors Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
Explore Processors Methodology v1.0

AMD Ryzen 5 Pro 8645HS Review | 78 Data compared

Avg. price:~£670PassMark benchmark result:23227N. of physical cores:6CPU boost clock speed:5.0 GHzCPU socket:FP7TDP (Thermal design power):45 W

AMD Ryzen 5 Pro 8645HS Review: Compare 78 technical specifications and user reviews to see how this product ranks in the Processors category and whether it is worth buying.

7.6

Overall score

Score
7.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 81% of models
Score components

90%

7.6

Technical score

10%

?

User score

â–²Better than 81% of processors
7.6

Technical score

Technical score
7.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 81% of models
Score components

60%

7.6

Performance

18%

7.3

Cache & Architecture

10%

8.3

Memory & PCIe

7%

7.2

Power & Thermal

4%

8.4

Platform

1%

8.6

Integrated Graphics

â–²Better than 81% of processors
?

User score

User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 91% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image

Best prices

    N/A~ £670

Best rankings

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

Technical Specifications of processor AMD Ryzen 5 Pro 8645HS

Technical score
Technical score
7.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 81% of models
Score components:

60%

7.6

Performance

18%

7.3

Cache & Architecture

10%

8.3

Memory & PCIe

7%

7.2

Power & Thermal

4%

8.4

Platform

1%

8.6

Integrated Graphics

7.6
User score
User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 91% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 99% of models
Popularity:
AMD Ryzen 5 Pro 8645HS has a popularity score of 1 point, which is higher than that of 0% of products in this category.
1.0
Value for money
Value for money
7.4/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–² Better than 72% of models
Score components:

60%

7.6

Overall score

40%

7.0

Price

7.4
Brand name
AMD
Processor type
mobile
Processor type
mobile
â–¼ Worse than 44% of models
This processor 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
FP7
CPU socket
FP7
â–¼ Worse than 48% of models
This processor uses the FP7 CPU socket, which is newer than that of 47.4% of processors and equal to that of 4.4% of processors.
Chipset
N/A
CPU architecture
x86-64
CPU architecture
x86-64
â–² Better than 2% of models
This processor 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.
Show more
N. of physical cores
6
N. of physical cores
6
â–² Better than 50% of models
Market range: <2 – >12
This processor has 6 CPU cores, which is more than 49.9% of processors and equal to 13.4% of processors.
CPU threads
12
CPU threads
12
â–² Better than 55% of models
Market range: <4 – >24
This processor offers 12 CPU threads, which is more than 55% of processors and equal to 14.1% of processors.
Threads per core
2
Threads per core
2
â–² Better than 30% of models
Market range: <0 – >2.5
This processor offers 2 threads per core, which is more than 30.3% of processors and equal to 69.7% of processors.
CPU boost clock speed
5 GHz
CPU boost clock speed
5 GHz
â–² Better than 80% of models
Market range: <3 GHz – >5.5 GHz
This processor reaches a boost clock of 5 GHz which is higher than that of 80.3% of processors and equal to that of 5.7% of processors.
CPU base clock speed
6x 4.3 GHz
CPU base clock speed
6x 4.3 GHz
â–² Better than 78% of models
This processor has a base clock of 6x4.3 GHz which is higher than that of 77.8% of processors and equal to that of 0.5% of processors.
Show more
Semiconductor size
4 nm
Semiconductor size
4 nm
â–² Better than 88% of models
Market range: <4 nm – >24 nm
This processor uses a 4 nm process node, which is more advanced than that of 88.5% of processors and equal to that of 7.4% of processors.
Foundry
TSMC 4 nm
Foundry
TSMC 4 nm
â–² Better than 87% of models
This processor is built on the TSMC 4 nm foundry process, which is more advanced than that of 87% of processors and equal to that of 7.5% of processors.
L3 cache
16 MB
L3 cache
16 MB
â–² Better than 64% of models
Market range: <2 MB – >32 MB
This processor has an L3 cache of 16 MB which is larger than that of 64.2% of processors and equal to that of 12.7% of processors.
L2 cache
6 MB
L2 cache
6 MB
â–² Better than 67% of models
Market range: <1 MB – >16 MB
This processor has an L2 cache of 6 MB which is larger than that of 67.4% of processors and equal to that of 3.9% of processors.
L1 cache
384 KB
L1 cache
384 KB
â–² Better than 45% of models
Market range: <128 KB – >1.2k KB
This processor has an L1 cache of 384 KB which is larger than that of 44.9% of processors and equal to that of 15.7% of processors.
Show more
DDR memory version
DDR5/LPDDR5X
DDR memory version
DDR5/LPDDR5X
★ Better than 92% of models
This processor supports DDR DDR5/LPDDR5X, which is newer than that of 92.2% of processors and equal to that of 1.5% of processors.
Maximum memory speed
7,500 MHz
Maximum memory speed
7,500 MHz
★ Better than 93% of models
Market range: <1.5k MHz – >6.5k MHz
This processor supports memory speeds up to 7,500 MHz, which is higher than that of 93.3% of processors and equal to 3.8% of processors.
Max memory speed (JEDEC)
LPDDR5X-7500 MHz
Max memory speed (JEDEC)
LPDDR5X-7500 MHz
★ Better than 94% of models
This processor supports JEDEC memory speeds up to LPDDR5X-7500 MHz, which is higher than that of 93.7% of processors and equal to 3.4% of processors.
Max memory speed (XMP / EXPO)
N/A
Maximum memory capacity
256 GB
Maximum memory capacity
256 GB
â–² Better than 89% of models
Market range: <32 GB – >256 GB
This processor supports up to 256 GB of memory, which is more than 89.5% of processors and equal to 8.2% of processors.
Show more
Integrated graphics
yes
Integrated graphics
yes
â–² Better than 12% of models
This processor includes integrated graphics. 12.4% of processors include integrated graphics.
Integrated GPU model
Radeon 760M
Integrated GPU model
Radeon 760M
★ Better than 95% of models
This processor uses the Radeon 760M integrated GPU, which is more advanced than that in 94.5% of processors and equal to that in 1.2% of processors.
Integrated GPU execution units
8
Integrated GPU execution units
8
â–¼ Worse than 74% of models
Market range: <6 – >64
This processor has 8 GPU execution units, which is fewer than 74% of processors and equal to 7.2% of processors.
Integrated GPU base frequency
800 MHz
Integrated GPU base frequency
800 MHz
â–² Better than 87% of models
Market range: <300 MHz – >800 MHz
This processor has an integrated GPU clock of 800 MHz which is higher than that of 86.7% of processors and equal to that of 6.4% of processors.
Integrated media encoders/decoders
H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode/encode)
Integrated media encoders/decoders
H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode/encode)
★ Better than 91% of models
This processor supports H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode/encode) media codecs, which is broader support than 90.7% of processors and equal to 3.4% of processors.
Show more
TDP (Thermal design power)
45 W
TDP (Thermal design power)
45 W
â–¼ Worse than 49% of models
Market range: <15 W – >90 W
This processor has a TDP of 45 W which is lower than that of 40.1% of processors and equal to that of 11.4% of processors.
Base power (PL1)
45 W
Base power (PL1)
45 W
â–¼ Worse than 49% of models
Market range: <15 W – >90 W
This processor has a base power of 45 W which is lower than that of 39.9% of processors and equal to that of 11.5% of processors.
Boost power (PL2)
?
Tau (power duration limit)
N/A
Configurable TDP
yes
Configurable TDP
yes
â–² Better than 47% of models
This processor supports configurable TDP. 47.3% of processors support configurable TDP.
Show more

AMD Ryzen 5 Pro 8645HS vs the average processor

246810TotalPlatformPerformanceCache & ArchitectureMemory & PCIeIntegrated GraphicsPower & Thermal
  • 2.32x higher multi-core score
    Geekbench 6 multi-core benchmark score
    11,216
    â–² Better than 81% of models
    Market range: <763 – >14k
    This processor has a higher Geekbench 6 multi-core score than the average processor (11,216 vs 4,829). The average processor scores 4,829 in Geekbench 6 multi-core.
    11,216 vs 4,829
  • 2.2x higher PassMark score
    PassMark benchmark result
    23,227
    â–² Better than 78% of models
    Market range: <2.5k – >32.5k
    This processor has a higher PassMark benchmark score than the average processor (23,227 vs 10,572.5). The average processor scores 10,572.5 in PassMark benchmark.
    23,227 vs 10,572.5
  • 81.4% higher single-core score
    Geekbench 6 single-core benchmark score
    2,668
    â–² Better than 89% of models
    Market range: <561 – >2.7k
    This processor has a higher Geekbench 6 single-core score than the average processor (2,668 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
    2,668 vs 1,471
  • More advanced microarchitecture
    Microarchitecture codename
    Hawk Point
    â–² Better than 88% of models
    This processor uses a more advanced microarchitecture than the average processor (Hawk Point vs Kaby Lake).
    Hawk Point vs Kaby Lake
  • 53.2% better single-core performance
    PassMark single-core benchmark score
    3,830
    â–² Better than 87% of models
    Market range: <1.4k – >4k
    This processor has a higher PassMark single-core score than the average processor (3,830 vs 2,500). The average processor scores 2,500 in PassMark single-core.
    3,830 vs 2,500
  • 16.3% higher boost clock
    CPU boost clock speed
    5.0 GHz
    â–² Better than 80% of models
    Market range: <3 GHz – >5.5 GHz
    This processor has a higher boost clock speed than the average processor (5 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
    5.0 GHz vs 4.3 GHz
  • 4x more memory capacity
    Maximum memory capacity
    256 GB
    â–² Better than 89% of models
    Market range: <32 GB – >256 GB
    This processor has more maximum memory capacity than the average processor (256 GB vs 64 GB). The average processor supports 64 GB of memory.
    256 GB vs 64 GB
  • 2.56x higher memory speed
    Maximum memory speed
    7,500 MHz
    ★ Better than 93% of models
    Market range: <1.5k MHz – >6.5k MHz
    This processor has a higher maximum memory speed than the average processor (7500 MHz vs 2933 MHz). The average processor supports memory speed of 2933 MHz.
    7,500 MHz vs 2,933 MHz
  • Advanced security extensions
    Security extensions
    AES-NI, NX bit, SMAP, SMEP, Memory Guard, Secure Processor, Secure Boot, Shadow Stack, GMET, SKINIT, Pluton
    ★ Better than 94% of models
    This processor provides more advanced security extensions than the average processor (AES-NI, NX bit, SMAP, SMEP, Memory Guard, Secure Processor, Secure Boot, Shadow Stack, GMET, SKINIT, Pluton vs AES-NI, NX bit, Secure Processor).
    AES-NI, NX bit, SMAP, SMEP, Memory Guard, Secure Processor, Secure Boot, Shadow Stack, GMET, SKINIT, Pluton vs AES-NI, NX bit, Secure Processor
  • 4 years newer release date
    Release date
    2024
    â–² Better than 85% of models
    Market range: <2k – >2k
    This processor has a newer release date than the average processor (2024 vs 2020).
    April 2024
    2024 vs 2020
  • 2.32x higher multi-core score
    Geekbench 6 multi-core benchmark score
    11,216
    â–² Better than 81% of models
    Market range: <763 – >14k
    This processor has a higher Geekbench 6 multi-core score than the average processor (11,216 vs 4,829). The average processor scores 4,829 in Geekbench 6 multi-core.
    11,216 vs 4,829
  • 2.2x higher PassMark score
    PassMark benchmark result
    23,227
    â–² Better than 78% of models
    Market range: <2.5k – >32.5k
    This processor has a higher PassMark benchmark score than the average processor (23,227 vs 10,572.5). The average processor scores 10,572.5 in PassMark benchmark.
    23,227 vs 10,572.5
  • 81.4% higher single-core score
    Geekbench 6 single-core benchmark score
    2,668
    â–² Better than 89% of models
    Market range: <561 – >2.7k
    This processor has a higher Geekbench 6 single-core score than the average processor (2,668 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
    2,668 vs 1,471
  • 53.2% better single-core performance
    PassMark single-core benchmark score
    3,830
    â–² Better than 87% of models
    Market range: <1.4k – >4k
    This processor has a higher PassMark single-core score than the average processor (3,830 vs 2,500). The average processor scores 2,500 in PassMark single-core.
    3,830 vs 2,500
  • 16.3% higher boost clock
    CPU boost clock speed
    5.0 GHz
    â–² Better than 80% of models
    Market range: <3 GHz – >5.5 GHz
    This processor has a higher boost clock speed than the average processor (5 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
    5.0 GHz vs 4.3 GHz
  • Higher base clock
    CPU base clock speed
    6 x 4.3 GHz
    â–² Better than 78% of models
    This processor has a higher base clock than the average processor (6x4.3 GHz vs 4x3.3 GHz).
    6x4.3 GHz vs 4x3.3 GHz
  • 4 more CPU threads
    CPU threads
    12
    â–² Better than 55% of models
    Market range: <4 – >24
    This processor has more CPU threads than the average processor (12 vs 8). The average processor has 8 CPU threads.
    12 vs 8
  • 15 higher clock multiplier
    Clock multiplier
    43
    ★ Better than 98% of models
    Market range: <16 – >38
    This processor has a higher clock multiplier than the average processor (43 vs 28). The average processor has a clock multiplier of 28.
    43 vs 28
  • More advanced microarchitecture
    Microarchitecture codename
    Hawk Point
    â–² Better than 88% of models
    This processor uses a more advanced microarchitecture than the average processor (Hawk Point vs Kaby Lake).
    Hawk Point vs Kaby Lake
  • 66.7% smaller process node
    Semiconductor size
    4 nm
    â–² Better than 88% of models
    Market range: <4 nm – >24 nm
    This processor has a lower process node than the average processor (4 nm vs 12 nm). The average processor uses a process node of 12 nm.
    4 nm vs 12 nm
  • 55.8% more L3 per core
    L3 per core
    2.67 MB/core
    â–² Better than 84% of models
    Market range: <1 MB/core – >3 MB/core
    This processor has more L3 cache per core than the average processor (2.7 MB/core vs 1.7 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
    2.67 MB/core vs 1.714 MB/core
  • More advanced foundry
    Foundry
    TSMC 4 nm
    â–² Better than 87% of models
    This processor uses a more advanced foundry process than the average processor (TSMC 4 nm vs Intel 14 nm).
    TSMC 4 nm vs Intel 14 nm
  • 2x more L2 per core
    L2 per core
    1 MB/core
    â–² Better than 63% of models
    Market range: <0.25 MB/core – >2 MB/core
    This processor 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.
    1 MB/core vs 0.5 MB/core
  • 5.05x more transistors
    N. of transistors
    25 billion
    â–² Better than 87% of models
    Market range: <1.303 billion – >25 billion
    This processor has more transistors than the average processor (25 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
    25 billion vs 4.95 billion
  • 2.4x larger L2 cache
    L2 cache
    6 MB
    â–² Better than 67% of models
    Market range: <1 MB – >16 MB
    This processor has a higher L2 cache than the average processor (6 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
    6 MB vs 2.5 MB
  • 2x larger L3 cache
    L3 cache
    16 MB
    â–² Better than 64% of models
    Market range: <2 MB – >32 MB
    This processor has a higher L3 cache than the average processor (16 MB vs 8 MB). The average processor has L3 cache of 8 MB.
    16 MB vs 8 MB
  • 2.56x higher memory speed
    Maximum memory speed
    7,500 MHz
    ★ Better than 93% of models
    Market range: <1.5k MHz – >6.5k MHz
    This processor has a higher maximum memory speed than the average processor (7500 MHz vs 2933 MHz). The average processor supports memory speed of 2933 MHz.
    7,500 MHz vs 2,933 MHz
  • 4x more memory capacity
    Maximum memory capacity
    256 GB
    â–² Better than 89% of models
    Market range: <32 GB – >256 GB
    This processor has more maximum memory capacity than the average processor (256 GB vs 64 GB). The average processor supports 64 GB of memory.
    256 GB vs 64 GB
  • Newer DDR support
    DDR memory version
    DDR5/LPDDR5X
    ★ Better than 92% of models
    This processor supports a newer DDR generation than the average processor (DDR5/LPDDR5X vs DDR4).
    DDR5/LPDDR5X vs DDR4
  • 95.6% higher memory bandwidth
    Maximum memory bandwidth
    89.6 GB/s
    â–² Better than 81% of models
    Market range: <25 GB/s – >100 GB/s
    This processor has a higher memory bandwidth than the average processor (89.6 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
    89.6 GB/s vs 45.8 GB/s
  • Newer PCIe version
    PCIe version
    4.0
    â–² Better than 62% of models
    This processor supports a newer PCIe version than the average processor (4 vs 3).
    4.0 vs 3.0
  • 4 more PCIe lanes
    PCIe lane count
    20
    â–² Better than 58% of models
    Market range: <10 – >30
    This processor has more PCIe lanes than the average processor (20 vs 16). The average processor offers 16 PCIe lanes.
    20 vs 16
  • Higher JEDEC memory speed
    Max memory speed (JEDEC)
    LPDDR5X-7500 MHz
    ★ Better than 94% of models
    This processor has a higher JEDEC memory speed than the average processor (LPDDR5X-7500 MHz vs DDR4-3200 MHz). The average processor supports JEDEC memory speed of DDR4-3200 MHz.
    LPDDR5X-7500 MHz vs DDR4-3,200 MHz
  • Supports ECC memory
    ECC memory support
    yes
    â–² Better than 68% of models
    This processor supports ECC memory, the average processor does not. 32.5% of processors support ECC memory.
  • Better integrated GPU
    Integrated GPU model
    Radeon 760M
    ★ Better than 95% of models
    This processor uses a better integrated GPU than the average processor (Radeon 760M vs Intel UHD Graphics 630).
    Radeon 760M vs Intel UHD Graphics 630
  • 2.29x higher GPU clock speed
    Integrated GPU base frequency
    800 MHz
    â–² Better than 87% of models
    Market range: <300 MHz – >800 MHz
    This processor has a higher integrated GPU frequency than the average processor (800 MHz vs 350 MHz). The average processor has integrated GPU frequency of 350 MHz.
    800 MHz vs 350 MHz
  • 1 more supported displays
    Maximum supported displays
    4
    â–² Better than 56% of models
    Market range: <1 – >6
    This processor has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
    4 vs 3
  • Limited PCIe bifurcation
    PCIe bifurcation modes
    x4
    â–¼ Worse than 90% of models
    This processor supports less flexible PCIe bifurcation than the average processor (x4 vs x16, x8/x8, x8/x4/x4).
    x4 vs x16, x8/x8, x8/x4/x4
  • 2.68x more expensive
    AMD Ryzen 5 Pro 8645HS is more expensive than the average processor (£670 vs £250).
    £670 vs £250
  • 66.7% fewer GPU execution units
    Integrated GPU execution units
    8
    â–¼ Worse than 74% of models
    Market range: <6 – >64
    This processor has fewer GPU execution units than the average processor (8 vs 24). The average processor has 24 GPU execution units.
    8 vs 24
  • Older TPM support
    TPM type
    fTPM 2.0
    â–¼ Worse than 59% of models
    This processor supports an older TPM version than the average processor (fTPM 2 vs PTT 2).
    fTPM 2.0 vs PTT 2.0
  • 2.68x more expensive
    AMD Ryzen 5 Pro 8645HS is more expensive than the average processor (£670 vs £250).
    £670 vs £250
  • Older TPM support
    TPM type
    fTPM 2.0
    â–¼ Worse than 59% of models
    This processor supports an older TPM version than the average processor (fTPM 2 vs PTT 2).
    fTPM 2.0 vs PTT 2.0
  • Limited PCIe bifurcation
    PCIe bifurcation modes
    x4
    â–¼ Worse than 90% of models
    This processor supports less flexible PCIe bifurcation than the average processor (x4 vs x16, x8/x8, x8/x4/x4).
    x4 vs x16, x8/x8, x8/x4/x4
  • 66.7% fewer GPU execution units
    Integrated GPU execution units
    8
    â–¼ Worse than 74% of models
    Market range: <6 – >64
    This processor has fewer GPU execution units than the average processor (8 vs 24). The average processor has 24 GPU execution units.
    8 vs 24

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

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Expert reviews

In-depth analysis and verdict from leading tech publications

C
cpubenchmark.net
30/03/2026
Summary of the review
AMD Ryzen 5 8645HS - CPU Benchmarks
C
cpubenchmark.net
30/03/2026
Summary of the review
AMD Ryzen 5 PRO 8645HS - CPU Benchmarks
C
cpubenchmark.net
30/03/2026
Summary of the review
AMD Ryzen 7 7445HS vs Ryzen 5 PRO 8645HS - CPU Benchmarks
C
cpu-monkey.com
02/03/2026
Summary of the review
AMD Ryzen 5 8645HS Benchmarks & Specs
(Translated)Show original
L
laptopmedia.com
17/09/2024
Summary of the review
Lenovo IdeaPad Pro 5 14 Gen 9 (14AHP9) review (tested with Ryzen 5 8645HS variant)
(Translated)Show original

Third-party reviews

What we like about AMD Ryzen 5 Pro 8645HS

  • Excellent price-to-performance ratio for mid-range laptops
  • High energy efficiency leading to respectable battery life (up to 10-12 hours in light tasks)
  • Strong single-core performance with boost speeds reaching 5.0 GHz
  • Capable integrated Radeon 760M graphics for light gaming and content creation
  • Integrated Ryzen AI NPU provides a boost for generative AI workloads
  • Reliable multitasking performance with 6 cores and 12 threads

What we don't like about AMD Ryzen 5 Pro 8645HS

  • 6-core configuration may fall short for professional-grade 3D rendering or heavy workstation tasks
  • Performance is often viewed as a minor refresh of the previous Ryzen 7040 series
  • Potential for thermal throttling in budget laptop chassis under prolonged heavy loads
  • Locked multiplier prevents manual overclocking for enthusiast users
  • iGPU performance is heavily dependent on system RAM speeds (DDR5-5600 recommended)

Verdict

The AMD Ryzen 5 Pro 8645HS is a high-performance mobile processor based on the 4nm Zen 4 'Hawk Point' architecture, featuring 6 cores and 12 threads with a 4.3 GHz base clock and a boost capacity up to 5.0 GHz. Designed for professional laptops and workstations, it integrates the Radeon 760M graphics core and a dedicated Ryzen AI NPU capable of up to 16 TOPS to accelerate local artificial intelligence tasks. Its main pros include exceptional energy efficiency for its 45W TDP class, support for high-speed LPDDR5x-7500 memory, and enterprise-grade security features like AMD Memory Guard and DASH manageability. However, its primary cons include a locked multiplier that prevents traditional overclocking and a lower core count compared to Ryzen 7 or 9 alternatives, which may limit performance in heavily multi-threaded professional rendering or compiling workloads.

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