EPYC Embedded 3451 vs Athlon 300U
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2085 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Athlon | AMD EPYC Embedded |
| Power efficiency | 6.16 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | GlobalFoundries |
| Architecture codename | Raven Ridge 2 (2019) | Zen (2017−2020) |
| Release date | 6 January 2019 (7 years ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | no data | $880 |
Detailed specifications
Athlon 300U 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 | 2 (Dual-core) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 2.4 GHz | 2.15 GHz |
| Boost clock speed | 3.3 GHz | 3 GHz |
| Bus type | PCIe 3.0 | no data |
| Multiplier | 24 | 21.5 |
| L1 cache | 128K (per core) | 96K (per core) |
| L2 cache | 512K (per core) | 512K (per core) |
| L3 cache | 4 MB (shared) | 32 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | 209.78 mm2 | 2x 213 mm2 |
| Number of transistors | 4940 Million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
Compatibility
Information on Athlon 300U 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 | FP5 | AMD BGA SP4r2 |
| Power consumption (TDP) | 15 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 300U and EPYC Embedded 3451. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 300U and EPYC Embedded 3451 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 300U and EPYC Embedded 3451. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4-2666 |
| Maximum memory size | 64 GB | 1 TiB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 38.397 GB/s | 85.33 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 3 ( - 1000 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Athlon 300U and EPYC Embedded 3451.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 12 | 64 |
Pros & cons summary
| Recency | 6 January 2019 | 21 February 2018 |
| Physical cores | 2 | 16 |
| Threads | 4 | 32 |
| Power consumption (TDP) | 15 Watt | 100 Watt |
Athlon 300U has an age advantage of 10 months, and 567% lower power consumption.
EPYC Embedded 3451, on the other hand, has 700% more physical cores and 700% more threads.
We couldn't decide between AMD Athlon 300U and AMD EPYC Embedded 3451. We've got no test results to judge.
Be aware that Athlon 300U is a notebook processor while EPYC Embedded 3451 is a server/workstation one.
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