EPYC Embedded 3251 vs Pentium U5400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3376 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Pentium | AMD EPYC Embedded |
| Power efficiency | 0.75 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Arrandale (2010−2011) | Zen (2017−2020) |
| Release date | 25 May 2010 (15 years ago) | 21 February 2018 (7 years ago) |
| Launch price (MSRP) | no data | $315 |
Detailed specifications
Pentium U5400 and EPYC Embedded 3251 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) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | 1.2 GHz | 2.5 GHz |
| Boost clock speed | 1.2 GHz | 3.1 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | no data |
| Multiplier | 9 | 25 |
| L1 cache | 64K (per core) | 96K (per core) |
| L2 cache | 256K (per core) | 512K (per core) |
| L3 cache | 3 MB (shared) | 16 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 81+114 mm2 | 192 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 384 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium U5400 and EPYC Embedded 3251 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 | BGA1288 | TR4 |
| Power consumption (TDP) | 18 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium U5400 and EPYC Embedded 3251. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | + | - |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Pentium U5400 and EPYC Embedded 3251 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium U5400 and EPYC Embedded 3251 are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium U5400 and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Eight-channel |
| Maximum memory size | 8 GB | 512 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 12.799 GB/s | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | no data |
| Clear Video | + | no data |
| Graphics max frequency | 500 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium U5400 and EPYC Embedded 3251 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium U5400 and EPYC Embedded 3251.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 25 May 2010 | 21 February 2018 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 18 Watt | 50 Watt |
Pentium U5400 has 177.8% lower power consumption.
EPYC Embedded 3251, on the other hand, has an age advantage of 7 years, 300% more physical cores and 700% more threads, and a 128.6% more advanced lithography process.
We couldn't decide between Intel Pentium U5400 and AMD EPYC Embedded 3251. We've got no test results to judge.
Be aware that Pentium U5400 is a notebook processor while EPYC Embedded 3251 is a server/workstation one.
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