AMD EPYC 7402P vs Intel Atom Z3775D
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CPU comparison with benchmarks
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| AMD EPYC 7402P | Intel Atom Z3775D | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7402P and the Intel Atom Z3775D and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7402P 24 core processor released in Q3/2019 with the Intel Atom Z3775D which has 4 CPU cores and was introduced in Q1/2014. |
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| AMD EPYC (129) | Family | Intel Atom (108) |
| AMD EPYC 7002 (24) | CPU group | Intel Atom Z3700 (16) |
| 2 | Generation | 4 |
| Rome (Zen 2) | Architecture | Bay Trail |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7402P is a 24 core processor with a clock frequency of 2.80 GHz (3.35 GHz). The processor can compute 48 threads at the same time. The Intel Atom Z3775D clocks with 1.49 GHz (2.41 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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| AMD EPYC 7402P | Characteristic | Intel Atom Z3775D |
| 24 | Cores | 4 |
| 48 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.80 GHz | Frequency | 1.49 GHz |
| 3.35 GHz | Turbo Frequency (1 Core) | 2.41 GHz |
| 3.20 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| no iGPU | GPU | Intel HD Graphics (Bay Trail GT1) |
| GPU frequency | 0.31 GHz | |
| -- | GPU (Turbo) | 0.79 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 & PCIeUp to GB of memory in a maximum of 8 memory channels is supported by the AMD EPYC 7402P, while the Intel Atom Z3775D supports a maximum of 2 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled. |
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| AMD EPYC 7402P | Characteristic | Intel Atom Z3775D |
| DDR4-3200 | Memory | DDR3L-1333 |
| Max. Memory | 2 GB | |
| 8 (Octa Channel) | Memory channels | 1 (Single Channel) |
| 51.2 GB/s | Max. Bandwidth | 10.6 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | -- |
| 128.00 MB | L3 Cache | 2.00 MB |
| 4.0 | PCIe version | -- |
| 128 | PCIe lanes | -- |
| 252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe AMD EPYC 7402P has a TDP of 180 W. The TDP of the Intel Atom Z3775D is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD EPYC 7402P | Characteristic | Intel Atom Z3775D |
| 180 W | TDP (PL1 / PBP) | 4 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 90 °C |
Technical detailsThe AMD EPYC 7402P has 128.00 MB cache and is manufactured in 7 nm. The cache of Intel Atom Z3775D is at 2.00 MB. The processor is manufactured in 22 nm. |
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| AMD EPYC 7402P | Characteristic | Intel Atom Z3775D |
| 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 1380 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q3/2019 | Release date | Q1/2014 |
| 2900 $ | Release price | 35 $ |
| show more data | show more data | |
24C 48T @ 2.80 GHz (3.35 GHz) buy now on Amazon and save!
4C 4T @ 1.49 GHz (2.41 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 7402P
24C 48T @ 3.20 GHz |
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Intel Atom Z3775D
4C 4T @ 1.49 GHz |
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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 7402P
24C 48T @ 3.35 GHz |
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Intel Atom Z3775D
4C 4T @ 2.41 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 7402P
24C 48T @ 3.20 GHz |
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Intel Atom Z3775D
4C 4T @ 1.49 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 7402P
24C 48T @ 3.35 GHz |
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Intel Atom Z3775D
4C 4T @ 2.41 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 7402P
24C 48T @ 3.20 GHz |
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Intel Atom Z3775D
4C 4T @ 1.49 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 7402P
24C 48T @ 3.35 GHz |
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Intel Atom Z3775D
4C 4T @ 2.41 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 7402P
@ 0.00 GHz |
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Intel Atom Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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Devices using this processor |
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| AMD EPYC 7402P | Intel Atom Z3775D |
| Unknown | Unknown |
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