AMD A8-3500M vs AMD Ryzen 5 8645HS

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CPU comparison with benchmarks


AMD A8-3500M CPU1 vs CPU2 AMD Ryzen 5 8645HS
AMD A8-3500M AMD Ryzen 5 8645HS

CPU comparison

In this CPU comparison, we compare the AMD A8-3500M and the AMD Ryzen 5 8645HS and use benchmarks to check which processor is faster.

We compare the AMD A8-3500M 4 core processor released in Q2/2011 with the AMD Ryzen 5 8645HS which has 6 CPU cores and was introduced in Q1/2024.
AMD A (112) Family AMD Ryzen 5 (86)
AMD A6-3000M (9) CPU group AMD Ryzen 8040 (20)
1 Generation 7
Llano (K10) Architecture Hawk Point (Zen 4)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A8-3500M is a 4 core processor with a clock frequency of 1.50 GHz (2.40 GHz). The processor can compute 4 threads at the same time. The AMD Ryzen 5 8645HS clocks with 4.30 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD A8-3500M Characteristic AMD Ryzen 5 8645HS
4 Cores 6
4 Threads 12
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
1.50 GHz Frequency 4.30 GHz
2.40 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 A8-3500M Characteristic AMD Ryzen 5 8645HS
-- 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 HD 6620G GPU AMD Radeon 760M
0.44 GHz GPU frequency 0.80 GHz
-- GPU (Turbo) 2.60 GHz
3 GPU Generation 10
32 nm Technology 4 nm
2 Max. displays 4
5 Compute units 8
400 Shader 512
No Hardware Raytracing Yes
No Frame Generation AMD FSR
1 GB Max. GPU Memory 32 GB
11 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 HD 6620G GPU AMD Radeon 760M
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD A8-3500M, while the AMD Ryzen 5 8645HS supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

AMD A8-3500M Characteristic AMD Ryzen 5 8645HS
DDR3-1333 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
-- L2 Cache 6.00 MB
4.00 MB L3 Cache 16.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD A8-3500M has a TDP of 35 W. The TDP of the AMD Ryzen 5 8645HS is 45 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD A8-3500M Characteristic AMD Ryzen 5 8645HS
35 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up 54 W
-- TDP down 35 W
-- Tjunction max. 100 °C

Technical details

The AMD A8-3500M has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD Ryzen 5 8645HS is at 22.00 MB. The processor is manufactured in 4 nm.

AMD A8-3500M Characteristic AMD Ryzen 5 8645HS
32 nm Technology 4 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
FS1 Socket FP8
AMD-V Virtualization AMD-V, SVM
No AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q2/2011 Release date Q1/2024
-- Release price --
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Rate these processors

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Here you can rate the AMD Ryzen 5 8645HS to help other visitors make their purchasing decisions. The average rating is 4.2 stars (9 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD A8-3500M (13%)
AMD Ryzen 5 8645HS (100%)
⌀ Multi core performance in 1 CPU benchmarks
AMD A8-3500M (10%)
AMD Ryzen 5 8645HS (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 A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
242 (13%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
1802 (100%)

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 A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
751 (10%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
7768 (100%)

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 A8-3500M AMD A8-3500M
AMD Radeon HD 6620G @ 0.44 GHz
355 (13%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
AMD Radeon 760M @ 2.60 GHz
2663 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
99 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
702 (100%)

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 A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 5.00 GHz
2478 (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 A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
10357 (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 A8-3500M AMD A8-3500M
4C 4T @ 2.40 GHz
2052 (100%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 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 A8-3500M AMD A8-3500M
4C 4T @ 1.50 GHz
0 (0%)
AMD Ryzen 5 8645HS AMD Ryzen 5 8645HS
6C 12T @ 4.30 GHz
16 (100%)

Devices using this processor

AMD A8-3500M AMD Ryzen 5 8645HS
Unknown Unknown

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