AMD Ryzen 7 PRO 7840U | AMD Ryzen 5 PRO 7640HS | |
CPU comparisonAMD Ryzen 7 PRO 7840U or AMD Ryzen 5 PRO 7640HS - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Ryzen 7 PRO 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 PRO 7840U was released in Q2/2023. The AMD Ryzen 5 PRO 7640HS has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 PRO 7640HS was released in Q2/2023. |
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AMD Ryzen 7 PRO (21) | Family | AMD Ryzen 5 PRO (28) |
AMD Ryzen 7040 (21) | CPU group | AMD Ryzen 7040 (21) |
6 | Generation | 6 |
Phoenix (Zen 4) | Architecture | Phoenix (Zen 4) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen 7 PRO 8840U | Successor | AMD Ryzen 5 PRO 8640HS |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 PRO 7840U has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 PRO 7840U is 3.30 GHz (5.10 GHz) while the AMD Ryzen 5 PRO 7640HS has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 PRO 7640HS is at 4.30 GHz (5.00 GHz). |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7640HS |
8 | Cores | 6 |
16 | Threads | 12 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.30 GHz | Frequency | 4.30 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 5.00 GHz |
-- | Turbo Frequency (All Cores) | -- |
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 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7640HS |
AMD Ryzen AI | AI hardware | AMD Ryzen AI |
AMD dedicated AI XDNA Technology | AI specifications | AMD dedicated AI XDNA Technology |
Internal GraphicsThe AMD Ryzen 7 PRO 7840U or AMD Ryzen 5 PRO 7640HS has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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AMD Radeon 780M | GPU | AMD Radeon 760M |
0.80 GHz | GPU frequency | 0.80 GHz |
2.70 GHz | GPU (Turbo) | 2.60 GHz |
3 | GPU Generation | 10 |
4 nm | Technology | 4 nm |
4 | Max. displays | 4 |
12 | Compute units | 8 |
768 | Shader | 512 |
Yes | Hardware Raytracing | Yes |
AMD FSR | Frame Generation | AMD FSR |
32 GB | Max. GPU Memory | 32 GB |
12 | DirectX Version | 12 |
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 780M | 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 | Codec VP9 | Decode |
Decode | Codec VP8 | Decode |
Decode / Encode | Codec AV1 | Decode / Encode |
Decode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 7 PRO 7840U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The AMD Ryzen 5 PRO 7640HS supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7640HS |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
256 GB | Max. Memory | 256 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
120.0 GB/s | Max. Bandwidth | 120.0 GB/s |
Yes | ECC | Yes |
8.00 MB | L2 Cache | 6.00 MB |
16.00 MB | L3 Cache | 16.00 MB |
4.0 | PCIe version | 4.0 |
20 | PCIe lanes | 20 |
39.4 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 PRO 7840U is 28 W, while the AMD Ryzen 5 PRO 7640HS has a TDP of 54 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7640HS |
28 W | TDP (PL1 / PBP) | 54 W |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | 35 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 PRO 7840U is manufactured in 4 nm and has 24.00 MB cache. The AMD Ryzen 5 PRO 7640HS is manufactured in 4 nm and has a 22.00 MB cache. |
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AMD Ryzen 7 PRO 7840U | Characteristic | AMD Ryzen 5 PRO 7640HS |
4 nm | Technology | 4 nm |
Monolithic | Chip design | Monolithic |
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,FMA3, AVX2, AVX512 |
FP8 | 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 |
Q2/2023 | Release date | Q2/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 5.00 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 4.30 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 5.00 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 4.30 GHz |
AMD Ryzen 7 PRO 7840U
AMD Radeon 780M @ 2.70 GHz |
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AMD Ryzen 5 PRO 7640HS
AMD Radeon 760M @ 2.60 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 4.30 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 5.00 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 5.00 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 5.10 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 5.00 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 4.30 GHz |
AMD Ryzen 7 PRO 7840U
8C 16T @ 3.30 GHz |
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AMD Ryzen 5 PRO 7640HS
6C 12T @ 4.30 GHz |
Devices using this processor |
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AMD Ryzen 7 PRO 7840U | AMD Ryzen 5 PRO 7640HS |
Unknown | Unknown |