AMD EPYC 7643P vs Intel Atom E3815
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CPU comparison with benchmarks
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| AMD EPYC 7643P | Intel Atom E3815 | |
CPU comparisonAMD EPYC 7643P or Intel Atom E3815 - 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 7643P has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7643P was released in Q3/2023. The Intel Atom E3815 has 1 cores with 1 threads and clocks with a maximum frequency of 1.46 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The Intel Atom E3815 was released in Q4/2013. |
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| AMD EPYC (129) | Family | Intel Atom (108) |
| AMD EPYC 7003 (29) | CPU group | Intel Atom E3800 (6) |
| 3 | Generation | 4 |
| Milan (Zen 3) | Architecture | Bay Trail |
| Desktop / Server | Segment | Mobile |
| AMD EPYC 7642 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7643P has 48 CPU cores and can calculate 96 threads in parallel. The clock frequency of the AMD EPYC 7643P is 2.30 GHz (3.60 GHz) while the Intel Atom E3815 has 1 CPU cores and 1 threads can calculate simultaneously. The clock frequency of the Intel Atom E3815 is at 1.46 GHz. |
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| AMD EPYC 7643P | Characteristic | Intel Atom E3815 |
| 48 | Cores | 1 |
| 96 | Threads | 1 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.30 GHz | Frequency | 1.46 GHz |
| 3.60 GHz | Turbo Frequency (1 Core) | -- |
| 3.40 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe AMD EPYC 7643P or Intel Atom E3815 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 HD Graphics (Bay Trail GT1) |
| GPU frequency | 0.40 GHz | |
| -- | GPU (Turbo) | 0.40 GHz |
| -- | GPU Generation | 7 |
| Technology | 22 nm | |
| Max. displays | 2 | |
| -- | Compute units | 4 |
| -- | Shader | 32 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | DirectX Version | 11.2 |
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 HD Graphics (Bay Trail GT1) |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode |
Memory & PCIeThe AMD EPYC 7643P can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Atom E3815 supports up to 8 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 8.6 GB/s. |
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| AMD EPYC 7643P | Characteristic | Intel Atom E3815 |
| DDR4-3200 | Memory | DDR3L-1066 |
| 4096 GB | Max. Memory | 8 GB |
| 8 (Octa Channel) | Memory channels | 1 (Single Channel) |
| 204.8 GB/s | Max. Bandwidth | 8.6 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 256.00 MB | L3 Cache | 1.00 MB |
| 4.0 | PCIe version | -- |
| 128 | PCIe lanes | -- |
| 252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7643P is 225 W, while the Intel Atom E3815 has a TDP of 5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7643P | Characteristic | Intel Atom E3815 |
| 225 W | TDP (PL1 / PBP) | 5 W |
| -- | TDP (PL2) | -- |
| 240 W | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7643P is manufactured in 7 nm and has 256.00 MB cache. The Intel Atom E3815 is manufactured in 22 nm and has a 1.00 MB cache. |
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| AMD EPYC 7643P | Characteristic | Intel Atom E3815 |
| 7 nm | Technology | 22 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 1170 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q3/2023 | Release date | Q4/2013 |
| 2722 $ | Release price | -- |
| show more data | show more data | |
48C 96T @ 2.30 GHz (3.60 GHz) buy now on Amazon and save!
1C 1T @ 1.46 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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AMD EPYC 7643P
48C 96T @ 3.60 GHz |
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Intel Atom E3815
1C 1T @ 1.46 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 7643P
48C 96T @ 3.40 GHz |
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Intel Atom E3815
1C 1T @ 1.46 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 7643P
@ 0.00 GHz |
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Intel Atom E3815
Intel HD Graphics (Bay Trail GT1) @ 0.40 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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AMD EPYC 7643P
48C 96T @ 3.40 GHz |
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Intel Atom E3815
1C 1T @ 1.46 GHz |
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Devices using this processor |
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| AMD EPYC 7643P | Intel Atom E3815 |
| Unknown | Unknown |
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