Intel Atom C5320 vs AMD EPYC 7643
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CPU comparison with benchmarks
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| Intel Atom C5320 | AMD EPYC 7643 | |
CPU comparisonIntel Atom C5320 or AMD EPYC 7643 - 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 C5320 has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C5320 was released in Q2/2022. The AMD EPYC 7643 has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7643 was released in Q1/2021. |
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| Intel Atom (108) | Family | AMD EPYC (129) |
| Intel Atom C5000 (5) | CPU group | AMD EPYC 7003 (29) |
| 6 | Generation | 3 |
| Parker Ridge | Architecture | Milan (Zen 3) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | AMD EPYC 7642 |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom C5320 is a 8 core processor with a clock frequency of 2.40 GHz. The AMD EPYC 7643 has 48 CPU cores with a clock frequency of 2.30 GHz (3.60 GHz). |
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| Intel Atom C5320 | Characteristic | AMD EPYC 7643 |
| 8 | Cores | 48 |
| 8 | Threads | 96 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.40 GHz | Frequency | 2.30 GHz |
| -- | Turbo Frequency (1 Core) | 3.60 GHz |
| -- | Turbo Frequency (All Cores) | 3.40 GHz |
Memory & PCIeThe Intel Atom C5320 supports a maximum of 256 GB of memory in 2 memory channels. The AMD EPYC 7643 can connect up to 4096 GB of memory in 8 memory channels. |
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| Intel Atom C5320 | Characteristic | AMD EPYC 7643 |
| DDR4-2933 | Memory | DDR4-3200 |
| 256 GB | Max. Memory | 4096 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 46.9 GB/s | Max. Bandwidth | 204.8 GB/s |
| Yes | ECC | Yes |
| 9.00 MB | L2 Cache | -- |
| -- | L3 Cache | 256.00 MB |
| 3.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 128 |
| 15.8 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C5320 has a TDP of 41 W, that of the AMD EPYC 7643 is 240 W. |
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| Intel Atom C5320 | Characteristic | AMD EPYC 7643 |
| 41 W | TDP (PL1 / PBP) | 240 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 225 W |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Atom C5320 has a 9.00 MB cache, while the AMD EPYC 7643 cache has a total of 256.00 MB. |
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| Intel Atom C5320 | Characteristic | AMD EPYC 7643 |
| 10 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, Intel QAT | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 2106 | Socket | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q2/2022 | Release date | Q1/2021 |
| -- | Release price | 4995 $ |
| show more data | show more data | |
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8C 8T @ 2.40 GHz buy now on Amazon and save!
48C 96T @ 2.30 GHz (3.60 GHz) buy now on Amazon and save!
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Rate these processors
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 C5320
8C 8T @ 2.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 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 C5320
8C 8T @ 2.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 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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Intel Atom C5320
8C 8T @ 2.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 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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Intel Atom C5320
8C 8T @ 2.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 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 C5320
8C 8T @ 2.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Devices using this processor |
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| Intel Atom C5320 | AMD EPYC 7643 |
| Unknown | Unknown |
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