Intel Atom Z3775D vs AMD EPYC Embedded 3451
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CPU comparison with benchmarks
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| Intel Atom Z3775D | AMD EPYC Embedded 3451 | |
CPU comparisonIn this CPU comparison, we compare the Intel Atom Z3775D and the AMD EPYC Embedded 3451 and use benchmarks to check which processor is faster.
We compare the Intel Atom Z3775D 4 core processor released in Q1/2014 with the AMD EPYC Embedded 3451 which has 16 CPU cores and was introduced in Q1/2018. |
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| Intel Atom (108) | Family | AMD EPYC (129) |
| Intel Atom Z3700 (16) | CPU group | AMD EPYC Embedded 3000 (7) |
| 4 | Generation | 1 |
| Bay Trail | Architecture | Snowy Owl (Zen) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom Z3775D is a 4 core processor with a clock frequency of 1.49 GHz (2.41 GHz). The processor can compute 4 threads at the same time. The AMD EPYC Embedded 3451 clocks with 2.14 GHz (3.00 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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| Intel Atom Z3775D | Characteristic | AMD EPYC Embedded 3451 |
| 4 | Cores | 16 |
| 4 | Threads | 32 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| No | Overclocking ? | Yes |
| 1.49 GHz | Frequency | 2.14 GHz |
| 2.41 GHz | Turbo Frequency (1 Core) | 3.00 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)Graphics (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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| Intel HD Graphics (Bay Trail GT1) | GPU | no iGPU |
| 0.31 GHz | GPU frequency | -- |
| 0.79 GHz | GPU (Turbo) | -- |
| 7 | GPU Generation | -- |
| 22 nm | Technology | |
| 2 | Max. displays | |
| 4 | Compute units | -- |
| 32 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.2 | 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 HD Graphics (Bay Trail GT1) | GPU | no iGPU |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode | Codec JPEG | No |
Memory & PCIeUp to 2 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom Z3775D, while the AMD EPYC Embedded 3451 supports a maximum of 1024 GB of memory with a maximum memory bandwidth of 85.3 GB/s enabled. |
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| Intel Atom Z3775D | Characteristic | AMD EPYC Embedded 3451 |
| DDR3L-1333 | Memory | DDR4-2666 |
| 2 GB | Max. Memory | 1024 GB |
| 1 (Single Channel) | Memory channels | 4 (Quad Channel) |
| 10.6 GB/s | Max. Bandwidth | 85.3 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 8.00 MB |
| 2.00 MB | L3 Cache | 32.00 MB |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 64 |
| -- | PCIe Bandwidth | 63.0 GB/s |
Thermal ManagementThe Intel Atom Z3775D has a TDP of 4 W. The TDP of the AMD EPYC Embedded 3451 is 100 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Atom Z3775D | Characteristic | AMD EPYC Embedded 3451 |
| 4 W | TDP (PL1 / PBP) | 100 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 80 W |
| 90 °C | Tjunction max. | 105 °C |
Technical detailsThe Intel Atom Z3775D has 2.00 MB cache and is manufactured in 22 nm. The cache of AMD EPYC Embedded 3451 is at 40.00 MB. The processor is manufactured in 14 nm. |
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| Intel Atom Z3775D | Characteristic | AMD EPYC Embedded 3451 |
| 22 nm | Technology | 14 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 1380 | Socket | SP4 |
| VT-x, VT-x EPT | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q1/2014 | Release date | Q1/2018 |
| 35 $ | Release price | -- |
| show more data | show more data | |
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4C 4T @ 1.49 GHz (2.41 GHz) buy now on Amazon and save!
16C 32T @ 2.14 GHz (3.00 GHz) buy now on Amazon and save!
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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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Intel Atom Z3775D
4C 4T @ 1.49 GHz |
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AMD EPYC Embedded 3451
16C 32T @ 2.14 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 Z3775D
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz |
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AMD EPYC Embedded 3451
@ 0.00 GHz |
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Devices using this processor |
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| Intel Atom Z3775D | AMD EPYC Embedded 3451 |
| Unknown | Unknown |
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