AMD A9-9420e vs AMD Ryzen 5 PRO 8640HS

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CPU comparison with benchmarks


AMD A9-9420e CPU1 vs CPU2 AMD Ryzen 5 PRO 8640HS
AMD A9-9420e AMD Ryzen 5 PRO 8640HS

CPU comparison

In this CPU comparison, we compare the AMD A9-9420e and the AMD Ryzen 5 PRO 8640HS and use benchmarks to check which processor is faster.

We compare the AMD A9-9420e 2 core processor released in Q2/2017 with the AMD Ryzen 5 PRO 8640HS which has 6 CPU cores and was introduced in Q2/2024.
AMD A (112) Family AMD Ryzen 5 PRO (28)
AMD A9-9000 (4) CPU group AMD Ryzen 8040 (20)
4 Generation 7
Stoney Ridge (Excavator) Architecture Hawk Point (Zen 4)
Mobile Segment Mobile
-- Predecessor AMD Ryzen 5 PRO 7640HS
-- Successor --

CPU Cores and Base Frequency

The AMD A9-9420e is a 2 core processor with a clock frequency of 1.80 GHz (2.70 GHz). The processor can compute 2 threads at the same time. The AMD Ryzen 5 PRO 8640HS clocks with 3.50 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD A9-9420e Characteristic AMD Ryzen 5 PRO 8640HS
2 Cores 6
2 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 3.50 GHz
2.70 GHz Turbo Frequency (1 Core) 5.00 GHz
2.40 GHz Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD A9-9420e Characteristic AMD Ryzen 5 PRO 8640HS
-- AI hardware AMD Ryzen™ AI
-- AI specifications AMD Ryzen™ AI (XDNA) @ 16 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon R5 (Stoney Ridge) GPU AMD Radeon 760M
0.72 GHz GPU frequency 0.80 GHz
-- GPU (Turbo) 2.60 GHz
7 GPU Generation 10
28 nm Technology 4 nm
3 Max. displays 4
3 Compute units 8
192 Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
2 GB Max. GPU Memory 32 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon R5 (Stoney Ridge) GPU AMD Radeon 760M
Decode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 8 GB of memory in a maximum of 1 memory channels is supported by the AMD A9-9420e, while the AMD Ryzen 5 PRO 8640HS supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

AMD A9-9420e Characteristic AMD Ryzen 5 PRO 8640HS
DDR4-2133 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
8 GB Max. Memory 256 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 6.00 MB
2.00 MB L3 Cache 16.00 MB
3.0 PCIe version 4.0
8 PCIe lanes 20
7.9 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD A9-9420e has a TDP of 6 W. The TDP of the AMD Ryzen 5 PRO 8640HS is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD A9-9420e Characteristic AMD Ryzen 5 PRO 8640HS
6 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 20 W
90 °C Tjunction max. 100 °C

Technical details

The AMD A9-9420e has 2.00 MB cache and is manufactured in 28 nm. The cache of AMD Ryzen 5 PRO 8640HS is at 22.00 MB. The processor is manufactured in 4 nm.

AMD A9-9420e Characteristic AMD Ryzen 5 PRO 8640HS
28 nm Technology 4 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
FP4 Socket FP8
AMD-V Virtualization AMD-V, SVM
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q2/2017 Release date Q2/2024
-- Release price --
show more data show more data


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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD A9-9420e AMD A9-9420e
AMD Radeon R5 (Stoney Ridge) @ 0.72 GHz
276 (10%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD A9-9420e AMD A9-9420e
2C 2T @ 2.70 GHz
355 (100%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 5.00 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD A9-9420e AMD A9-9420e
2C 2T @ 2.40 GHz
444 (100%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 3.50 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD A9-9420e AMD A9-9420e
2C 2T @ 2.70 GHz
0 (0%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 5.00 GHz
2390 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD A9-9420e AMD A9-9420e
2C 2T @ 2.40 GHz
0 (0%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 3.50 GHz
9867 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD A9-9420e AMD A9-9420e
2C 2T @ 2.40 GHz
1775 (100%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 3.50 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD A9-9420e AMD A9-9420e
2C 2T @ 1.80 GHz
0 (0%)
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
6C 12T @ 3.50 GHz
16 (100%)

Devices using this processor

AMD A9-9420e AMD Ryzen 5 PRO 8640HS
Unknown Unknown

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