Ryzen 5 7640U vs Ryzen 9 8945H

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Aggregate performance score

Ryzen 9 8945H
2023
8 cores / 16 threads, 45 Watt
19.29
+44.5%
Ryzen 5 7640U
2023
6 cores / 12 threads, 15 Watt
13.35

Ryzen 9 8945H outperforms Ryzen 5 7640U by a considerable 44% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 8945H and Ryzen 5 7640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking304563
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Hawk Point (Zen 4/4c, Ryzen 8040)no data
Power efficiency40.5784.23
Architecture codenameHawk Point-HS (Zen 4) (2023−2024)Phoenix-U (Zen 4) (2023)
Release date6 December 2023 (1 year ago)3 May 2023 (1 year ago)

Detailed specifications

Ryzen 9 8945H and Ryzen 5 7640U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed4 GHz3.5 GHz
Boost clock speed5.2 GHz4.9 GHz
L1 cache512 KB64 KB (per core)
L2 cache8 MB1 MB (per core)
L3 cache16 MB16 MB (shared)
Chip lithography4 nm4 nm
Die size178 mm2178 mm2
Maximum core temperature100 °C100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Ryzen 9 8945H and Ryzen 5 7640U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data1
SocketFP7/FP7r2/FP8FP8
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 8945H and Ryzen 5 7640U. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMERyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
FMA+-
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 8945H and Ryzen 5 7640U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 8945H and Ryzen 5 7640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 780M ( - 2800 MHz)AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 8945H and Ryzen 5 7640U.

PCIe versionno data4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 8945H 19.29
+44.5%
Ryzen 5 7640U 13.35

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 8945H 30643
+44.5%
Ryzen 5 7640U 21210

Gaming performance

Pros & cons summary


Performance score 19.29 13.35
Integrated graphics card 18.32 14.90
Recency 6 December 2023 3 May 2023
Physical cores 8 6
Threads 16 12
Power consumption (TDP) 45 Watt 15 Watt

Ryzen 9 8945H has a 44.5% higher aggregate performance score, 23% faster integrated GPU, an age advantage of 7 months, and 33.3% more physical cores and 33.3% more threads.

Ryzen 5 7640U, on the other hand, has 200% lower power consumption.

The Ryzen 9 8945H is our recommended choice as it beats the Ryzen 5 7640U in performance tests.


Should you still have questions on choice between Ryzen 9 8945H and Ryzen 5 7640U, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 8945H
Ryzen 9 8945H
AMD Ryzen 5 7640U
Ryzen 5 7640U

Similar processor comparisons

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.5 10 votes

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4.6 39 votes

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Questions & comments

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