AMD Ryzen Embedded V1605B vs AMD EPYC 7451
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CPU comparison with benchmarks
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| AMD Ryzen Embedded V1605B | AMD EPYC 7451 | |
CPU comparisonAMD Ryzen Embedded V1605B or AMD EPYC 7451 - 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 Embedded V1605B has 4 cores with 8 threads and clocks with a maximum frequency of 3.60 GHz. Up to 32 GB of memory is supported in 2 memory channels. The AMD Ryzen Embedded V1605B was released in Q1/2018. The AMD EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. |
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| AMD Ryzen Embedded V (16) | Family | AMD EPYC (129) |
| AMD Ryzen Embedded V1000 (7) | CPU group | AMD EPYC 7001 (12) |
| 1 | Generation | 1 |
| Great Horned Owl (Zen) | Architecture | Naples (Zen) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Embedded V1605B is a 4 core processor with a clock frequency of 2.00 GHz (3.60 GHz). The AMD EPYC 7451 has 24 CPU cores with a clock frequency of 2.30 GHz (3.20 GHz). |
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| AMD Ryzen Embedded V1605B | Characteristic | AMD EPYC 7451 |
| 4 | Cores | 24 |
| 8 | Threads | 48 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 2.30 GHz |
| 3.60 GHz | Turbo Frequency (1 Core) | 3.20 GHz |
| 2.00 GHz | Turbo Frequency (All Cores) | 2.90 GHz |
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 RX Vega 8 (Raven Ridge) | GPU | no iGPU |
| 1.10 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 8 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 8 | Compute units | -- |
| 512 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 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 RX Vega 8 (Raven Ridge) | 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 / Encode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen Embedded V1605B supports a maximum of 32 GB of memory in 2 memory channels. The AMD EPYC 7451 can connect up to GB of memory in 8 memory channels. |
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| AMD Ryzen Embedded V1605B | Characteristic | AMD EPYC 7451 |
| DDR4-2400 | Memory | DDR4-2666 |
| 32 GB | Max. Memory | |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 38.4 GB/s | Max. Bandwidth | 170.6 GB/s |
| Yes | ECC | Yes |
| -- | L2 Cache | -- |
| 4.00 MB | L3 Cache | 64.00 MB |
| 3.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 128 |
| 15.8 GB/s | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Embedded V1605B has a TDP of 15 W, that of the AMD EPYC 7451 is 180 W. |
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| AMD Ryzen Embedded V1605B | Characteristic | AMD EPYC 7451 |
| 15 W | TDP (PL1 / PBP) | 180 W |
| -- | TDP (PL2) | -- |
| 25 W | TDP up | -- |
| 12 W | TDP down | -- |
| 105 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Embedded V1605B has a 4.00 MB cache, while the AMD EPYC 7451 cache has a total of 64.00 MB. |
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| AMD Ryzen Embedded V1605B | Characteristic | AMD EPYC 7451 |
| 14 nm | Technology | 14 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| FP5 | Socket | SP3 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2018 | Release date | Q3/2017 |
| -- | Release price | 2400 $ |
| show more data | show more data | |
4C 8T @ 2.00 GHz (3.60 GHz) buy now on Amazon and save!
24C 48T @ 2.30 GHz (3.20 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
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 Embedded V1605B
4C 8T @ 3.60 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 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 Embedded V1605B
4C 8T @ 2.00 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 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 Embedded V1605B
4C 8T @ 2.00 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 Embedded V1605B
4C 8T @ 3.60 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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 Embedded V1605B
4C 8T @ 3.60 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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 Embedded V1605B
4C 8T @ 2.00 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 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 Embedded V1605B
AMD Radeon RX Vega 8 (Raven Ridge) @ 1.10 GHz |
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AMD EPYC 7451
@ 0.00 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 Embedded V1605B
4C 8T @ 2.00 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
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Devices using this processor |
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| AMD Ryzen Embedded V1605B | AMD EPYC 7451 |
| Unknown | Unknown |
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