AMD Ryzen 5 PRO 7540U vs AMD EPYC Embedded 3251
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CPU comparison with benchmarks
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| AMD Ryzen 5 PRO 7540U | AMD EPYC Embedded 3251 | |
CPU comparisonAMD Ryzen 5 PRO 7540U or AMD EPYC Embedded 3251 - 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 5 PRO 7540U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 7540U was released in Q2/2023. The AMD EPYC Embedded 3251 has 8 cores with 16 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 was released in Q1/2018. |
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| AMD Ryzen 5 PRO (28) | Family | AMD EPYC (129) |
| AMD Ryzen 7040 (21) | CPU group | AMD EPYC Embedded 3000 (7) |
| 6 | Generation | 1 |
| Phoenix (Zen 4) | Architecture | Snowy Owl (Zen) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| AMD Ryzen 5 PRO 8540U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 PRO 7540U is a 6 core processor with a clock frequency of 3.20 GHz (4.90 GHz). The AMD EPYC Embedded 3251 has 8 CPU cores with a clock frequency of 2.50 GHz (3.10 GHz). |
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| AMD Ryzen 5 PRO 7540U | Characteristic | AMD EPYC Embedded 3251 |
| 6 | Cores | 8 |
| 12 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 3.20 GHz | Frequency | 2.50 GHz |
| 4.90 GHz | Turbo Frequency (1 Core) | 3.10 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The 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 740M | GPU | no iGPU |
| 0.80 GHz | GPU frequency | -- |
| 2.50 GHz | GPU (Turbo) | -- |
| 10 | GPU Generation | -- |
| 4 nm | Technology | |
| 4 | Max. displays | |
| 4 | Compute units | -- |
| 256 | 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 740M | 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 5 PRO 7540U supports a maximum of 256 GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 can connect up to GB of memory in 2 memory channels. |
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| AMD Ryzen 5 PRO 7540U | Characteristic | AMD EPYC Embedded 3251 |
| DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | DDR4-2666 |
| 256 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 120.0 GB/s | Max. Bandwidth | 42.7 GB/s |
| Yes | ECC | Yes |
| 6.00 MB | L2 Cache | 4.00 MB |
| 16.00 MB | L3 Cache | 16.00 MB |
| 4.0 | PCIe version | 3.0 |
| 20 | PCIe lanes | 32 |
| 39.4 GB/s | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 5 PRO 7540U has a TDP of 15 W, that of the AMD EPYC Embedded 3251 is 55 W. |
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| AMD Ryzen 5 PRO 7540U | Characteristic | AMD EPYC Embedded 3251 |
| 15 W | TDP (PL1 / PBP) | 55 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | 105 °C |
Technical detailsThe AMD Ryzen 5 PRO 7540U has a 22.00 MB cache, while the AMD EPYC Embedded 3251 cache has a total of 20.00 MB. |
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| AMD Ryzen 5 PRO 7540U | Characteristic | AMD EPYC Embedded 3251 |
| 4 nm | Technology | 14 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 | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| FP8 | Socket | SP4r2 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q2/2023 | Release date | Q1/2018 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 16T @ 2.50 GHz (3.10 GHz) buy now on Amazon and save!
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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 5 PRO 7540U
AMD Radeon 740M @ 2.50 GHz |
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AMD EPYC Embedded 3251
@ 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 5 PRO 7540U
6C 12T @ 3.20 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
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Devices using this processor |
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| AMD Ryzen 5 PRO 7540U | AMD EPYC Embedded 3251 |
| Unknown | Unknown |
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