AMD EPYC Embedded 3251 vs AMD EPYC 7281
Comparative analysis of AMD EPYC Embedded 3251 and AMD EPYC 7281 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.
Differences
Reasons to consider the AMD EPYC Embedded 3251
- CPU is newer: launch date 8 month(s) later
- Around 15% higher clock speed: 3.1 GHz vs 2.7 GHz
- 3.4x lower typical power consumption: 50 Watt vs 155/170 Watt
- Around 16% better performance in PassMark - Single thread mark: 1881 vs 1626
Specifications (specs) | |
Launch date | 21 Feb 2018 vs June 2017 |
Maximum frequency | 3.1 GHz vs 2.7 GHz |
Thermal Design Power (TDP) | 50 Watt vs 155/170 Watt |
Benchmarks | |
PassMark - Single thread mark | 1881 vs 1626 |
Reasons to consider the AMD EPYC 7281
- 8 more cores, run more applications at once: 16 vs 8
- 16 more threads: 32 vs 16
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 2x more L2 cache, more data can be stored in the L2 cache for quick access later
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 55% better performance in PassMark - CPU mark: 21621 vs 13912
Specifications (specs) | |
Number of cores | 16 vs 8 |
Number of threads | 32 vs 16 |
L1 cache | 96 KB (per core) vs 768 KB |
L2 cache | 512 KB (per core) vs 4 MB |
L3 cache | 32 MB vs 16 MB |
Max number of CPUs in a configuration | 2 vs 1 |
Benchmarks | |
PassMark - CPU mark | 21621 vs 13912 |
Compare benchmarks
CPU 1: AMD EPYC Embedded 3251
CPU 2: AMD EPYC 7281
PassMark - Single thread mark |
|
|
||||
PassMark - CPU mark |
|
|
Name | AMD EPYC Embedded 3251 | AMD EPYC 7281 |
---|---|---|
PassMark - Single thread mark | 1881 | 1626 |
PassMark - CPU mark | 13912 | 21621 |
Compare specifications (specs)
AMD EPYC Embedded 3251 | AMD EPYC 7281 | |
---|---|---|
Essentials |
||
Architecture codename | Zen | Zen |
Launch date | 21 Feb 2018 | June 2017 |
Place in performance rating | 1189 | 1192 |
Vertical segment | Server | Server |
Family | AMD EPYC | |
Series | AMD EPYC 7000 Series | |
Performance |
||
64 bit support | ||
Base frequency | 2.5 GHz | 2.1 GHz |
Die size | 192 mm | 192 mm |
L1 cache | 768 KB | 96 KB (per core) |
L2 cache | 4 MB | 512 KB (per core) |
L3 cache | 16 MB | 32 MB |
Manufacturing process technology | 14 nm | 14 nm |
Maximum frequency | 3.1 GHz | 2.7 GHz |
Number of cores | 8 | 16 |
Number of threads | 16 | 32 |
Transistor count | 4800 million | 4800 million |
Unlocked | ||
Memory |
||
ECC memory support | ||
Max memory channels | 2 | 8 |
Maximum memory bandwidth | 39.74 GB/s | 307/341 GB/s |
Maximum memory size | 512 GB | |
Supported memory types | DDR4-2666 | DDR4 |
Supported memory frequency | 2400/2666 MHz | |
Compatibility |
||
Max number of CPUs in a configuration | 1 | 2 |
Thermal Design Power (TDP) | 50 Watt | 155/170 Watt |
Socket Count | 1P/2P | |
Sockets supported | TR4 | |
Peripherals |
||
Integrated LAN | ||
Max number of PCIe lanes | 32 | |
PCI Express revision | 3.0 | x128 |
PCIe configurations | x16, x8, x4, x2 | |
Total number of SATA ports | 8 | |
USB revision | 3.0 | |
Virtualization |
||
AMD Virtualization (AMD-V™) |