EPYC Embedded 3451 vs Opteron 4386
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2213 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 0.83 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Seoul (2012) | Zen (2017−2020) |
| Release date | 4 December 2012 (13 years ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | no data | $880 |
Detailed specifications
Basic parameters of Opteron 4386 and EPYC Embedded 3451: 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 8 | 32 |
| Base clock speed | 3.1 GHz | 2.15 GHz |
| Boost clock speed | 3.8 GHz | 2.15 GHz |
| Multiplier | no data | 21.5 |
| L1 cache | 384 KB | 1536 KB |
| L2 cache | 8192 KB | 8 MB |
| L3 cache | 8192 KB (shared) | 32 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 315 mm2 | 213 mm2 |
| Number of transistors | 1,200 million | 9600 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Opteron 4386 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 | 2 | 1 (Uniprocessor) |
| Socket | C32 | AMD BGA SP4r2 |
| Power consumption (TDP) | 95 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Opteron 4386 and EPYC Embedded 3451. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Opteron 4386 and EPYC Embedded 3451 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Opteron 4386 and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4-2666 |
| Maximum memory size | no data | 1 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Opteron 4386 and EPYC Embedded 3451.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 64 |
Pros & cons summary
| Recency | 4 December 2012 | 21 February 2018 |
| Physical cores | 8 | 16 |
| Threads | 8 | 32 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 100 Watt |
Opteron 4386 has 5% lower power consumption.
EPYC Embedded 3451, on the other hand, has an age advantage of 5 years, 100% more physical cores and 300% more threads, and a 129% more advanced lithography process.
We couldn't decide between AMD Opteron 4386 and AMD EPYC Embedded 3451. We've got no test results to judge.
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