AMD Ryzen 7 7840HS vs AMD EPYC 9754
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CPU comparison with benchmarks
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| AMD Ryzen 7 7840HS | AMD EPYC 9754 | |
CPU comparisonAMD Ryzen 7 7840HS or AMD EPYC 9754 - 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 7840HS 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 7840HS was released in Q1/2023. The AMD EPYC 9754 has 128 cores with 256 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9754 was released in Q2/2023. |
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| AMD Ryzen 7 (70) | Family | AMD EPYC (129) |
| AMD Ryzen 7040 (21) | CPU group | AMD EPYC 8004/9004 (15) |
| 6 | Generation | 4 |
| Phoenix (Zen 4) | Architecture | Bergamo/Siena (Zen 4c) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| AMD Ryzen 7 8840HS | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7840HS has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 7840HS is 3.80 GHz (5.10 GHz) while the AMD EPYC 9754 has 128 CPU cores and 256 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9754 is at 2.25 GHz (3.10 GHz). |
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| AMD Ryzen 7 7840HS | Characteristic | AMD EPYC 9754 |
| 8 | Cores | 128 |
| 16 | Threads | 256 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.80 GHz | Frequency | 2.25 GHz |
| 5.10 GHz | Turbo Frequency (1 Core) | 3.10 GHz |
| 4.25 GHz | Turbo Frequency (All Cores) | 3.10 GHz |
NPU AI performanceThe 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. |
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| AMD Ryzen 7 7840HS | Characteristic | AMD EPYC 9754 |
| AMD Ryzen™ AI | AI hardware | -- |
| AMD dedicated AI XDNA Technology | AI specifications | -- |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The AMD Ryzen 7 7840HS or AMD EPYC 9754 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 | 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 7840HS can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The AMD EPYC 9754 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 460.8 GB/s. |
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| AMD Ryzen 7 7840HS | Characteristic | AMD EPYC 9754 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR5-4800 |
| 256 GB | Max. Memory | 6144 GB |
| 2 (Dual Channel) | Memory channels | 12 |
| 120.0 GB/s | Max. Bandwidth | 460.8 GB/s |
| Yes | ECC | Yes |
| 8.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | 256.00 MB |
| 4.0 | PCIe version | 5.0 |
| 20 | PCIe lanes | 128 |
| 39.4 GB/s | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 7 7840HS is 54 W, while the AMD EPYC 9754 has a TDP of 360 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD Ryzen 7 7840HS | Characteristic | AMD EPYC 9754 |
| 54 W | TDP (PL1 / PBP) | 360 W |
| -- | TDP (PL2) | -- |
| 60 W | TDP up | 400 W |
| 35 W | TDP down | 320 W |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 7840HS is manufactured in 4 nm and has 24.00 MB cache. The AMD EPYC 9754 is manufactured in 5 nm and has a 256.00 MB cache. |
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| AMD Ryzen 7 7840HS | Characteristic | AMD EPYC 9754 |
| 4 nm | Technology | 5 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 |
| Q1/2023 | Release date | Q2/2023 |
| -- | Release price | 11900 $ |
| show more data | show more data | |
8C 16T @ 3.80 GHz (5.10 GHz) buy now on Amazon and save!
128C 256T @ 2.25 GHz (3.10 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 7840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 4.25 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 4.25 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 5.10 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
8C 16T @ 4.25 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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 7840HS
AMD Radeon 780M @ 2.70 GHz |
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AMD EPYC 9754
@ 0.00 GHz |
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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 7840HS
8C 16T @ 4.25 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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.
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AMD Ryzen 7 7840HS
8C 16T @ 4.25 GHz |
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AMD EPYC 9754
128C 256T @ 3.10 GHz |
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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.
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AMD Ryzen 7 7840HS
8C 16T @ 3.80 GHz |
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AMD EPYC 9754
128C 256T @ 2.25 GHz |
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CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
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AMD Ryzen 7 7840HS
15,930 CB R23 MC @ 55 W |
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AMD EPYC 9754
2.25 GHz |
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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).
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 7840HS
8C 16T @ 3.80 GHz |
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AMD EPYC 9754
128C 256T @ 2.25 GHz |
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Devices using this processor |
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| AMD Ryzen 7 7840HS | AMD EPYC 9754 |
| Lenovo IdeaPad Pro 5 14 Lenovo IdeaPad Pro 5 16 |
Unknown |
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