AMD Ryzen 7 8840HS vs AMD EPYC 9355
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Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor. |
CPU comparison with benchmarks
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| AMD Ryzen 7 8840HS | AMD EPYC 9355 | |
CPU comparisonAMD Ryzen 7 8840HS or AMD EPYC 9355 - 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 8840HS 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 8840HS was released in Q1/2024. The AMD EPYC 9355 has 32 cores with 64 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9355 was released in Q4/2024. |
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| AMD Ryzen 7 (68) | Family | AMD EPYC (129) |
| AMD Ryzen 8040 (20) | CPU group | AMD EPYC 9005 (21) |
| 7 | Generation | 5 |
| Hawk Point (Zen 4) | Architecture | Turin (Zen 5 / Zen 5c) |
| Mobile | Segment | Desktop / Server |
| AMD Ryzen 7 7840HS | Predecessor | AMD EPYC 9354 |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 8840HS is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The AMD EPYC 9355 has 32 CPU cores with a clock frequency of 3.50 GHz. |
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| AMD Ryzen 7 8840HS | Characteristic | AMD EPYC 9355 |
| 8 | Cores | 32 |
| 16 | Threads | 64 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.30 GHz | Frequency | 3.50 GHz |
| 5.10 GHz | Turbo Frequency (1 Core) | -- |
| 3.75 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 8840HS | Characteristic | AMD EPYC 9355 |
| AMD Ryzen AI | AI hardware | -- |
| AMD Ryzen™ AI | AI specifications | -- |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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| AMD Radeon 780M | GPU | no iGPU |
| 0.80 GHz | GPU frequency | -- |
| 2.70 GHz | GPU (Turbo) | -- |
| 3 | GPU Generation | -- |
| 4 nm | Technology | |
| 4 | Max. displays | |
| 12 | Compute units | -- |
| 768 | Shader | -- |
| Yes | Hardware Raytracing | No |
| AMD FSR | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | -- |
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 | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| Decode / Encode | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 7 8840HS supports a maximum of 256 GB of memory in 2 memory channels. The AMD EPYC 9355 can connect up to 6144 GB of memory in 12 memory channels. |
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| AMD Ryzen 7 8840HS | Characteristic | AMD EPYC 9355 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR5-6000 |
| 256 GB | Max. Memory | 6144 GB |
| 2 (Dual Channel) | Memory channels | 12 |
| 120.0 GB/s | Max. Bandwidth | 480.0 GB/s |
| Yes | ECC | Yes |
| 8.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | 128.00 MB |
| 4.0 | PCIe version | 5.0 |
| 20 | PCIe lanes | 128 |
| 39.4 GB/s | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 8840HS has a TDP of 28 W, that of the AMD EPYC 9355 is 280 W. |
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| AMD Ryzen 7 8840HS | Characteristic | AMD EPYC 9355 |
| 28 W | TDP (PL1 / PBP) | 280 W |
| -- | TDP (PL2) | -- |
| 54 W | TDP up | -- |
| 35 W | TDP down | -- |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 8840HS has a 24.00 MB cache, while the AMD EPYC 9355 cache has a total of 128.00 MB. |
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| AMD Ryzen 7 8840HS | Characteristic | AMD EPYC 9355 |
| 4 nm | Technology | 4 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI |
| FP8 | Socket | SP5 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows Server 2022, Linux, Windows 11 |
| Q1/2024 | Release date | Q4/2024 |
| -- | Release price | -- |
| show more data | show more data | |
8C 16T @ 3.30 GHz (5.10 GHz) buy now on Amazon and save!
32C 64T @ 3.50 GHz buy now on Amazon and save!
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Rate these processors
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.
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AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
AMD Radeon 780M @ 2.70 GHz |
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AMD EPYC 9355
@ 0.00 GHzNot verified |
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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.
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AMD Ryzen 7 8840HS
8C 16T @ 3.75 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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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).
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AMD Ryzen 7 8840HS
8C 16T @ 3.30 GHz |
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AMD EPYC 9355
32C 64T @ 3.50 GHzNot verified |
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Devices using this processor |
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| AMD Ryzen 7 8840HS | AMD EPYC 9355 |
| Unknown | Unknown |
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