Ryzen 5 8640HS vs Ryzen 9 4900HS

Aggregate performance score

Ryzen 9 4900HS
2020
8 cores / 16 threads, 35 Watt
11.92
Ryzen 5 8640HS
2023
6 cores / 12 threads, 28 Watt
12.96
+8.7%

Ryzen 5 8640HS outperforms Ryzen 9 4900HS by a small 9% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 4900HS and Ryzen 5 8640HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking653589
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Renoir (Ryzen 4000 APU)no data
Power efficiency32.2343.80
Architecture codenameRenoir (Zen 2) (2020)Hawk Point-HS (Zen 4) (2023−2024)
Release date16 March 2020 (4 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 9 4900HS and Ryzen 5 8640HS 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 speed3 GHz3.5 GHz
Boost clock speed4.3 GHz4.9 GHz
Multiplier30no data
L1 cache512 KB64 KB (per core)
L2 cache4 MB1 MB (per core)
L3 cache8 MB (shared)16 MB (shared)
Chip lithography7 nm4 nm
Die size156 mm2178 mm2
Maximum core temperature105 °C100 °C
Number of transistors9800 Million25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 9 4900HS and Ryzen 5 8640HS 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 configuration11
SocketFP6FP8
Power consumption (TDP)35 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 4900HS and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsXFR, FMA3, SSE 4.2, AVX2, SMTRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 4900HS and Ryzen 5 8640HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 4900HS and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-4266DDR5
Maximum memory size64 GBno data
Max memory channels4no data
Maximum memory bandwidth68.27 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 1750 MHz)AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 4900HS and Ryzen 5 8640HS.

PCIe version3.04.0
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 4900HS 11.92
Ryzen 5 8640HS 12.96
+8.7%

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 4900HS 18937
Ryzen 5 8640HS 20593
+8.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 9 4900HS 1438
Ryzen 5 8640HS 2147
+49.3%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 9 4900HS 6333
Ryzen 5 8640HS 8103
+27.9%

Gaming performance

Pros & cons summary


Performance score 11.92 12.96
Integrated graphics card 9.05 14.90
Recency 16 March 2020 6 December 2023
Physical cores 8 6
Threads 16 12
Chip lithography 7 nm 4 nm
Power consumption (TDP) 35 Watt 28 Watt

Ryzen 9 4900HS has 33.3% more physical cores and 33.3% more threads.

Ryzen 5 8640HS, on the other hand, has a 8.7% higher aggregate performance score, 64.6% faster integrated GPU, an age advantage of 3 years, a 75% more advanced lithography process, and 25% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 9 4900HS and Ryzen 5 8640HS.


Should you still have questions on choice between Ryzen 9 4900HS and Ryzen 5 8640HS, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 4900HS
Ryzen 9 4900HS
AMD Ryzen 5 8640HS
Ryzen 5 8640HS

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Community ratings

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