AMD Ryzen 5 4500U vs AMD Ryzen 5 8640HS

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CPU comparison with benchmarks


AMD Ryzen 5 4500U CPU1 vs CPU2 AMD Ryzen 5 8640HS
AMD Ryzen 5 4500U AMD Ryzen 5 8640HS

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 4500U and the AMD Ryzen 5 8640HS and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 4500U 6 core processor released in Q1/2020 with the AMD Ryzen 5 8640HS which has 6 CPU cores and was introduced in Q1/2024.
AMD Ryzen 5 (84) Family AMD Ryzen 5 (84)
AMD Ryzen 4000U (11) CPU group AMD Ryzen 8040 (20)
3 Generation 7
Renoir (Zen 2) Architecture Hawk Point (Zen 4)
Mobile Segment Mobile
-- Predecessor AMD Ryzen 5 7640HS
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 4500U is a 6 core processor with a clock frequency of 2.30 GHz (4.00 GHz). The processor can compute 6 threads at the same time. The AMD Ryzen 5 8640HS clocks with 3.80 GHz (5.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD Ryzen 5 4500U Characteristic AMD Ryzen 5 8640HS
6 Cores 6
6 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.30 GHz Frequency 3.80 GHz
4.00 GHz Turbo Frequency (1 Core) 5.00 GHz
3.80 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

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. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 5 4500U Characteristic AMD Ryzen 5 8640HS
-- AI hardware AMD Ryzen AI
-- AI specifications AMD Ryzen™ AI

Internal Graphics

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 RX Vega 6 (Renoir) GPU AMD Radeon 760M
0.40 GHz GPU frequency 0.80 GHz
1.50 GHz GPU (Turbo) 2.60 GHz
9 GPU Generation 10
7 nm Technology 4 nm
3 Max. displays 4
6 Compute units 8
384 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 RX Vega 6 (Renoir) GPU AMD Radeon 760M
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode
Decode / Encode 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 64 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 4500U, while the AMD Ryzen 5 8640HS supports a maximum of 256 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

AMD Ryzen 5 4500U Characteristic AMD Ryzen 5 8640HS
LPDDR4-4266, DDR4-3200 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
64 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 120.0 GB/s
Yes ECC Yes
-- L2 Cache 6.00 MB
8.00 MB L3 Cache 16.00 MB
3.0 PCIe version 4.0
12 PCIe lanes 20
11.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD Ryzen 5 4500U has a TDP of 15 W. The TDP of the AMD Ryzen 5 8640HS is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 4500U Characteristic AMD Ryzen 5 8640HS
15 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
25 W TDP up 54 W
10 W TDP down 35 W
105 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 4500U has 8.00 MB cache and is manufactured in 7 nm. The cache of AMD Ryzen 5 8640HS is at 22.00 MB. The processor is manufactured in 4 nm.

AMD Ryzen 5 4500U Characteristic AMD Ryzen 5 8640HS
7 nm Technology 4 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
FP6 Socket FP8
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2020 Release date Q1/2024
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 4500U to help other visitors make their purchasing decisions. The average rating is 4.7 stars (11 ratings). Rate now:
Here you can rate the AMD Ryzen 5 8640HS to help other visitors make their purchasing decisions. The average rating is 4.0 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
AMD Ryzen 5 4500U (59%)
AMD Ryzen 5 8640HS (100%)
⌀ Multi core performance in 0 CPU benchmarks
AMD Ryzen 5 4500U (0%)
AMD Ryzen 5 8640HS (0%)

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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
1082 (60%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
1802 (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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
1407 (57%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
2478 (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 Ryzen 5 4500U AMD Ryzen 5 4500U
AMD Radeon RX Vega 6 (Renoir) @ 1.50 GHz
1152 (43%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
0 (0%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
99 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
1151 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
5620 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
4097 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
4620 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
448 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
1921 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
67 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
11042 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
480 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 2.30 GHz
2065 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 4.00 GHz
176 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 3.80 GHz
894 (100%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
0 (0%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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 Ryzen 5 4500U AMD Ryzen 5 4500U
6C 6T @ 2.30 GHz
0 (0%)
AMD Ryzen 5 8640HS AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz
16 (100%)

Devices using this processor

AMD Ryzen 5 4500U AMD Ryzen 5 8640HS
Lenovo IdeaPad 5
Acer Swift 3
Unknown

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