Intel Atom D2500 vs AMD EPYC 7451
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CPU comparison with benchmarks
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| Intel Atom D2500 | AMD EPYC 7451 | |
CPU comparisonIntel Atom D2500 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 Intel Atom D2500 has 2 cores with 2 threads and clocks with a maximum frequency of 1.86 GHz. Up to 4 GB of memory is supported in 1 memory channels. The Intel Atom D2500 was released in Q3/2011. 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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| Intel Atom (101) | Family | AMD EPYC (129) |
| Intel Atom D2000 (4) | CPU group | AMD EPYC 7001 (12) |
| 1 | Generation | 1 |
| Cedarview | Architecture | Naples (Zen) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom D2500 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Atom D2500 is 1.86 GHz while the AMD EPYC 7451 has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7451 is at 2.30 GHz (3.20 GHz). |
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| Intel Atom D2500 | Characteristic | AMD EPYC 7451 |
| 2 | Cores | 24 |
| 2 | Threads | 48 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.86 GHz | Frequency | 2.30 GHz |
| -- | Turbo Frequency (1 Core) | 3.20 GHz |
| -- | Turbo Frequency (All Cores) | 2.90 GHz |
Internal GraphicsThe Intel Atom D2500 or AMD EPYC 7451 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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| Intel GMA 3600 | GPU | no iGPU |
| 0.40 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | -- |
| 65 nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 32 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 1 GB | Max. GPU Memory | -- |
| 10.1 | 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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| Intel GMA 3600 | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | No |
Memory & PCIeThe Intel Atom D2500 can use up to 4 GB of memory in 1 memory channels. The maximum memory bandwidth is 8.6 GB/s. The AMD EPYC 7451 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s. |
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| Intel Atom D2500 | Characteristic | AMD EPYC 7451 |
| DDR3-1066 | Memory | DDR4-2666 |
| 4 GB | Max. Memory | |
| 1 (Single Channel) | Memory channels | 8 (Octa Channel) |
| 8.6 GB/s | Max. Bandwidth | 170.6 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 1.00 MB | L3 Cache | 64.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 128 |
| -- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom D2500 is 10 W, while the AMD EPYC 7451 has a TDP of 180 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Atom D2500 | Characteristic | AMD EPYC 7451 |
| 10 W | TDP (PL1 / PBP) | 180 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Intel Atom D2500 is manufactured in 32 nm and has 1.00 MB cache. The AMD EPYC 7451 is manufactured in 14 nm and has a 64.00 MB cache. |
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| Intel Atom D2500 | Characteristic | AMD EPYC 7451 |
| 32 nm | Technology | 14 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 559 | Socket | SP3 |
| None | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2011 | Release date | Q3/2017 |
| 50 $ | Release price | 2400 $ |
| show more data | show more data | |
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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 1 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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Intel Atom D2500
2C 2T @ 1.86 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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Intel Atom D2500
2C 2T @ 1.86 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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Intel Atom D2500
2C 2T @ 1.86 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 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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Intel Atom D2500
2C 2T @ 1.86 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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Intel Atom D2500
2C 2T @ 1.86 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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Intel Atom D2500
Intel GMA 3600 @ 0.40 GHz |
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AMD EPYC 7451
@ 0.00 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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Intel Atom D2500
2C 2T @ 1.86 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 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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Intel Atom D2500
2C 2T @ 1.86 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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| Intel Atom D2500 | AMD EPYC 7451 |
| Unknown | Unknown |
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