EPYC Embedded 3251 vs Pentium N3540
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2981 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.03 | no data |
| Market segment | Laptop | Server |
| Series | Intel Pentium | AMD EPYC Embedded |
| Power efficiency | 3.89 | no data |
| Designer | Intel | AMD |
| Architecture codename | Bay Trail-M (2013−2014) | Zen (2017−2020) |
| Release date | 22 May 2014 (11 years ago) | 21 February 2018 (7 years ago) |
| Launch price (MSRP) | $251 | $315 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Pentium N3540 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.16 GHz | 2.5 GHz |
| Boost clock speed | 2.66 GHz | 2.5 GHz |
| Multiplier | no data | 25 |
| L1 cache | 224 KB | 768 KB |
| L2 cache | 2 MB | 4 MB |
| L3 cache | 2 MB L2 Cache | 16 MB (shared) |
| Chip lithography | 22 nm | 14 nm |
| Die size | no data | 213 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 4800 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium N3540 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 | 1 (Uniprocessor) |
| Socket | FCBGA1170 | TR4 |
| Power consumption (TDP) | 7.5 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium N3540 and EPYC Embedded 3251. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Smart Connect | + | no data |
Security technologies
Pentium N3540 and EPYC Embedded 3251 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium N3540 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 N3540 and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3L-1333 | DDR4 Eight-channel |
| Maximum memory size | 8 GB | 512 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21.32 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 Intel Atom Processor Z3700 Series | no data |
| Quick Sync Video | + | - |
| Graphics max frequency | 896 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium N3540 and EPYC Embedded 3251 integrated GPUs.
| Number of displays supported | 2 | no data |
Graphics API support
APIs supported by Pentium N3540 and EPYC Embedded 3251 integrated GPUs, sometimes API versions are included.
| DirectX | 11.2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium N3540 and EPYC Embedded 3251.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 4 | no data |
| USB revision | 3.0 and 2.0 | no data |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 5 | no data |
Pros & cons summary
| Recency | 22 May 2014 | 21 February 2018 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 7 Watt | 55 Watt |
Pentium N3540 has 685.7% lower power consumption.
EPYC Embedded 3251, on the other hand, has an age advantage of 3 years, 100% more physical cores and 300% more threads, and a 57.1% more advanced lithography process.
We couldn't decide between Intel Pentium N3540 and AMD EPYC Embedded 3251. We've got no test results to judge.
Be aware that Pentium N3540 is a notebook processor while EPYC Embedded 3251 is a server/workstation one.
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