EPYC Embedded 3451 vs Atom C3858
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1817 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.37 | no data |
| Market segment | Server | Server |
| Series | Intel Atom | AMD EPYC Embedded |
| Power efficiency | 4.85 | no data |
| Designer | Intel | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Goldmont (2016−2017) | Zen (2017−2020) |
| Release date | 15 August 2017 (8 years ago) | 21 February 2018 (7 years ago) |
| Launch price (MSRP) | $332 | $880 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Atom C3858 and EPYC Embedded 3451 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 12 | 32 |
| Base clock speed | 2 GHz | 2.15 GHz |
| Boost clock speed | 2 GHz | 3 GHz |
| Multiplier | 20 | 21.5 |
| L1 cache | 672 KB | 96K (per core) |
| L2 cache | 12 MB | 512K (per core) |
| L3 cache | 12 MB | 32 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 2x 213 mm2 |
| Maximum core temperature | 83 °C | no data |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Atom C3858 and EPYC Embedded 3451 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | FCBGA1310 | AMD BGA SP4r2 |
| Power consumption (TDP) | 25 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom C3858 and EPYC Embedded 3451. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| QuickAssist | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
Security technologies
Atom C3858 and EPYC Embedded 3451 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Boot | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom C3858 and EPYC Embedded 3451 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom C3858 and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4: 2400 | DDR4-2666 |
| Maximum memory size | 256 GB | 1 TiB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 38.397 GB/s | 85.33 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Atom C3858 and EPYC Embedded 3451.
| PCIe version | 3 | 3.0 |
| PCI Express lanes | 16 | 64 |
| USB revision | 3 | no data |
| Total number of SATA ports | 16 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | 4x10/2.5/1 GBE | no data |
Pros & cons summary
| Recency | 15 August 2017 | 21 February 2018 |
| Physical cores | 12 | 16 |
| Threads | 12 | 32 |
| Power consumption (TDP) | 25 Watt | 100 Watt |
Atom C3858 has 300% lower power consumption.
EPYC Embedded 3451, on the other hand, has an age advantage of 6 months, and 33.3% more physical cores and 166.7% more threads.
We couldn't decide between Intel Atom C3858 and AMD EPYC Embedded 3451. We've got no test results to judge.
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