3 N355 vs EPYC 7251
Aggregate performance score
EPYC 7251 outperforms Core 3 N355 by a substantial 37% based on our aggregate benchmark results.
Primary details
Comparing EPYC 7251 and Core 3 N355 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 832 | 1048 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.65 | no data |
| Market segment | Server | Laptop |
| Series | AMD EPYC | no data |
| Power efficiency | 7.40 | no data |
| Architecture codename | Naples (2017−2018) | no data |
| Release date | 29 June 2017 (7 years ago) | 1 January 2025 (less than a year ago) |
| Launch price (MSRP) | $574 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7251 and Core 3 N355 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 8 |
| Base clock speed | 2.1 GHz | no data |
| Boost clock speed | 2.9 GHz | 3.9 GHz |
| Multiplier | 21 | no data |
| L1 cache | 96K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 32 MB (shared) | 6 MB Intel® Smart Cache |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 192 mm2 | no data |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 4,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7251 and Core 3 N355 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 (Multiprocessor) | 1 |
| Socket | TR4 | FCBGA1264 |
| Power consumption (TDP) | 120 Watt | no data |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7251 and Core 3 N355. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | - |
| Thermal Monitoring | - | + |
| GPIO | no data | + |
Security technologies
EPYC 7251 and Core 3 N355 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7251 and Core 3 N355 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 EPYC 7251 and Core 3 N355. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4-3200, DDR5-4800, LPDDR5-4800 |
| Maximum memory size | 2 TiB | 16 GB |
| Max memory channels | 8 | 1 |
| Maximum memory bandwidth | 153.652 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.35 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of EPYC 7251 and Core 3 N355 integrated GPUs.
| Number of displays supported | no data | 3 |
Graphics image quality
Maximum display resolutions supported by EPYC 7251 and Core 3 N355 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2160@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2160@60Hz |
Graphics API support
APIs supported by EPYC 7251 and Core 3 N355 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.1 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by EPYC 7251 and Core 3 N355.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 128 | 9 |
| USB revision | no data | 2.0/3.2 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 9.32 | 6.82 |
| Recency | 29 June 2017 | 1 January 2025 |
| Threads | 16 | 8 |
EPYC 7251 has a 36.7% higher aggregate performance score, and 100% more threads.
3 N355, on the other hand, has an age advantage of 7 years.
The EPYC 7251 is our recommended choice as it beats the Core 3 N355 in performance tests.
Be aware that EPYC 7251 is a server/workstation processor while Core 3 N355 is a notebook one.
Should you still have questions on choice between EPYC 7251 and Core 3 N355, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
