AMD EPYC 7251 vs Intel Pentium Silver J5005
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CPU comparison with benchmarks
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| AMD EPYC 7251 | Intel Pentium Silver J5005 | |
CPU comparisonAMD EPYC 7251 or Intel Pentium Silver J5005 - 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 EPYC 7251 has 8 cores with 16 threads and clocks with a maximum frequency of 2.90 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7251 was released in Q3/2017. The Intel Pentium Silver J5005 has 4 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Pentium Silver J5005 was released in Q4/2017. |
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| AMD EPYC (129) | Family | Intel Pentium (150) |
| AMD EPYC 7001 (12) | CPU group | Intel Pentium J5000/N5000 (4) |
| 1 | Generation | 9 |
| Naples (Zen) | Architecture | Gemini Lake |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7251 has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD EPYC 7251 is 2.10 GHz (2.90 GHz) while the Intel Pentium Silver J5005 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium Silver J5005 is at 1.50 GHz (2.80 GHz). |
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| AMD EPYC 7251 | Characteristic | Intel Pentium Silver J5005 |
| 8 | Cores | 4 |
| 16 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.10 GHz | Frequency | 1.50 GHz |
| 2.90 GHz | Turbo Frequency (1 Core) | 2.80 GHz |
| 2.90 GHz | Turbo Frequency (All Cores) | 2.70 GHz |
Internal GraphicsThe AMD EPYC 7251 or Intel Pentium Silver J5005 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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| no iGPU | GPU | Intel UHD Graphics 605 |
| GPU frequency | 0.25 GHz | |
| -- | GPU (Turbo) | 0.80 GHz |
| -- | GPU Generation | 9.5 |
| Technology | 14 nm | |
| Max. displays | 3 | |
| -- | Compute units | 18 |
| -- | Shader | 144 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 8 GB |
| -- | 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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| no iGPU | GPU | Intel UHD Graphics 605 |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode / Encode |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7251 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 153.6 GB/s. The Intel Pentium Silver J5005 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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| AMD EPYC 7251 | Characteristic | Intel Pentium Silver J5005 |
| DDR4-2666 | Memory | LPDDR4-2400, DDR4-2400 |
| Max. Memory | 8 GB | |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 153.6 GB/s | Max. Bandwidth | 38.4 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 32.00 MB | L3 Cache | 4.00 MB |
| 3.0 | PCIe version | 2.0 |
| 128 | PCIe lanes | 6 |
| 126.1 GB/s | PCIe Bandwidth | 3.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7251 is 120 W, while the Intel Pentium Silver J5005 has a TDP of 10 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7251 | Characteristic | Intel Pentium Silver J5005 |
| 120 W | TDP (PL1 / PBP) | 10 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 105 °C |
Technical detailsThe AMD EPYC 7251 is manufactured in 14 nm and has 32.00 MB cache. The Intel Pentium Silver J5005 is manufactured in 14 nm and has a 4.00 MB cache. |
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| AMD EPYC 7251 | Characteristic | Intel Pentium Silver J5005 |
| 14 nm | Technology | 14 nm |
| Chiplet | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2 |
| SP3 | Socket | BGA 1090 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2017 | Release date | Q4/2017 |
| 450 $ | Release price | 95 $ |
| show more data | show more data | |
8C 16T @ 2.10 GHz (2.90 GHz) buy now on Amazon and save!
4C 4T @ 1.50 GHz (2.80 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 3 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.80 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.80 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.80 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.80 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 EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 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 EPYC 7251
@ 0.00 GHz |
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Intel Pentium Silver J5005
Intel UHD Graphics 605 @ 0.80 GHz |
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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
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Intel Pentium Silver J5005
4C 4T @ 2.70 GHz |
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Devices using this processor |
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| AMD EPYC 7251 | Intel Pentium Silver J5005 |
| Unknown | ASRock J5005-ITX Intel NUC NUC7PJYH Gigabyte Brix GB-BLPD-5005 |
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