AMD Ryzen 5 8640HS | AMD A4-4020 | |
CPU comparisonIn this CPU comparison, we compare the AMD Ryzen 5 8640HS and the AMD A4-4020 and use benchmarks to check which processor is faster.
We compare the AMD Ryzen 5 8640HS 6 core processor released in Q1/2024 with the AMD A4-4020 which has 2 CPU cores and was introduced in Q1/2014. |
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AMD Ryzen 5 (85) | Family | AMD A (112) |
AMD Ryzen 8040 (20) | CPU group | AMD A4-4000 (2) |
7 | Generation | 2 |
Hawk Point (Zen 4) | Architecture | Richland (Piledriver) |
Mobile | Segment | Desktop / Server |
AMD Ryzen 5 7640HS | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 8640HS is a 6 core processor with a clock frequency of 3.80 GHz (5.00 GHz). The processor can compute 12 threads at the same time. The AMD A4-4020 clocks with 3.20 GHz (3.40 GHz), has 2 CPU cores and can calculate 2 threads in parallel. |
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AMD Ryzen 5 8640HS | Characteristic | AMD A4-4020 |
6 | Cores | 2 |
12 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
3.80 GHz | Frequency | 3.20 GHz |
5.00 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
-- | Turbo Frequency (All Cores) | 3.40 GHz |
Artificial Intelligence and Machine LearningProcessors 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. |
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AMD Ryzen 5 8640HS | Characteristic | AMD A4-4020 |
AMD Ryzen AI | AI hardware | -- |
AMD Ryzen™ AI | AI specifications | -- |
Internal GraphicsGraphics (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. |
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AMD Radeon 760M | GPU | AMD Radeon HD 7480D |
0.80 GHz | GPU frequency | 0.72 GHz |
2.60 GHz | GPU (Turbo) | -- |
10 | GPU Generation | 4 |
4 nm | Technology | 32 nm |
4 | Max. displays | 2 |
8 | Compute units | 2 |
512 | Shader | 128 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 2 GB |
12 | DirectX Version | 11 |
Hardware codec supportA 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. |
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AMD Radeon 760M | GPU | AMD Radeon HD 7480D |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode |
Decode | Codec VP9 | No |
Decode | Codec VP8 | No |
Decode / Encode | Codec AV1 | No |
Decode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 8640HS, while the AMD A4-4020 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD Ryzen 5 8640HS | Characteristic | AMD A4-4020 |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR3-1333 |
256 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
6.00 MB | L2 Cache | -- |
16.00 MB | L3 Cache | 1.00 MB |
4.0 | PCIe version | -- |
20 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD Ryzen 5 8640HS has a TDP of 28 W. The TDP of the AMD A4-4020 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Ryzen 5 8640HS | Characteristic | AMD A4-4020 |
28 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
54 W | TDP up | -- |
35 W | TDP down | -- |
100 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 8640HS has 22.00 MB cache and is manufactured in 4 nm. The cache of AMD A4-4020 is at 1.00 MB. The processor is manufactured in 32 nm. |
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AMD Ryzen 5 8640HS | Characteristic | AMD A4-4020 |
4 nm | Technology | 32 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
FP8 | Socket | FM2 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
Q1/2024 | Release date | Q1/2014 |
-- | Release price | 32 $ |
show more data | show more data | |
AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
AMD Ryzen 5 8640HS
AMD Radeon 760M @ 2.60 GHz |
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AMD A4-4020
AMD Radeon HD 7480D @ 0.72 GHz |
AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
AMD Ryzen 5 8640HS
6C 12T @ 5.00 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz |
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AMD A4-4020
2C 2T @ 3.40 GHz |
AMD Ryzen 5 8640HS
6C 12T @ 3.80 GHz |
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AMD A4-4020
2C 2T @ 3.20 GHz |
Devices using this processor |
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AMD Ryzen 5 8640HS | AMD A4-4020 |
Unknown | Unknown |