i7-1255U vs EPYC Embedded 3251
Primary details
Comparing EPYC Embedded 3251 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 881 |
| Place by popularity | not in top-100 | 37 |
| Market segment | Server | Laptop |
| Series | AMD EPYC Embedded | Intel Alder Lake-M |
| Power efficiency | no data | 53.88 |
| Architecture codename | Zen (2017−2020) | Alder Lake-U (2022) |
| Release date | 21 February 2018 (6 years ago) | 23 February 2022 (2 years ago) |
| Launch price (MSRP) | $315 | no data |
Detailed specifications
EPYC Embedded 3251 and Core i7-1255U 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) | 10 (Deca-Core) |
| Threads | 16 | 12 |
| Base clock speed | 2.5 GHz | 1.7 GHz |
| Boost clock speed | 3.1 GHz | 4.7 GHz |
| Multiplier | 25 | no data |
| L1 cache | 96K (per core) | 80K (per core) |
| L2 cache | 512K (per core) | 1.25 MB (per core) |
| L3 cache | 16 MB (shared) | 12 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 192 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 4,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC Embedded 3251 and Core i7-1255U 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 |
| Socket | TR4 | FCBGA1744 |
| Power consumption (TDP) | 50 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 3251 and Core i7-1255U. 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 | + | + |
| FMA | - | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Deep Learning Boost | - | + |
Security technologies
EPYC Embedded 3251 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC Embedded 3251 and Core i7-1255U 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 Embedded 3251 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR4, DDR5 |
| Maximum memory size | 512 GB | 64 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Iris® Xe Graphics eligible |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.25 GHz |
| Execution Units | no data | 96 |
Graphics interfaces
Available interfaces and connections of EPYC Embedded 3251 and Core i7-1255U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by EPYC Embedded 3251 and Core i7-1255U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz |
| Max resolution over eDP | no data | 4096 x 2304 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by EPYC Embedded 3251 and Core i7-1255U 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 Embedded 3251 and Core i7-1255U.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 21 February 2018 | 23 February 2022 |
| Physical cores | 8 | 10 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 50 Watt | 15 Watt |
EPYC Embedded 3251 has 33.3% more threads.
i7-1255U, on the other hand, has an age advantage of 4 years, 25% more physical cores, and 233.3% lower power consumption.
We couldn't decide between EPYC Embedded 3251 and Core i7-1255U. We've got no test results to judge.
Be aware that EPYC Embedded 3251 is a server/workstation processor while Core i7-1255U is a notebook one.
Should you still have questions on choice between EPYC Embedded 3251 and Core i7-1255U, ask them in Comments section, and we shall answer.
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