EPYC Embedded 3251 vs Athlon II X4 631
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2562 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 0.51 | no data |
| Designer | AMD | AMD |
| Architecture codename | Llano (2011−2012) | Zen (2017−2020) |
| Release date | 17 August 2011 (14 years ago) | 21 February 2018 (7 years ago) |
| Launch price (MSRP) | no data | $315 |
Detailed specifications
Athlon II X4 631 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 | 2.6 GHz | 2.5 GHz |
| Boost clock speed | 2.6 GHz | 3.1 GHz |
| Multiplier | no data | 25 |
| L1 cache | 128 KB (per core) | 96K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 32 nm | 14 nm |
| Die size | 228 mm2 | 192 mm2 |
| Number of transistors | 1,178 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon II X4 631 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 | FM1 | TR4 |
| Power consumption (TDP) | 100 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 631 and EPYC Embedded 3251. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 631 and EPYC Embedded 3251 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 631 and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Eight-channel |
| Maximum memory size | no data | 512 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
| ECC memory support | - | + |
Pros & cons summary
| Recency | 17 August 2011 | 21 February 2018 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 32 nm | 14 nm |
| Power consumption (TDP) | 100 Watt | 50 Watt |
EPYC Embedded 3251 has an age advantage of 6 years, 100% more physical cores and 300% more threads, a 128.6% more advanced lithography process, and 100% lower power consumption.
We couldn't decide between AMD Athlon II X4 631 and AMD EPYC Embedded 3251. We've got no test results to judge.
Note that Athlon II X4 631 is a desktop processor while EPYC Embedded 3251 is a server/workstation one.
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