AMD EPYC 3451 vs AMD EPYC Embedded 3251

Comparative analysis of AMD EPYC 3451 and AMD EPYC Embedded 3251 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 3451

  • 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
  • Around 40% better performance in PassMark - CPU mark: 19532 vs 13912
Specifications (specs)
Number of cores 16 vs 8
Number of threads 32 vs 16
L1 cache 96K (per core) vs 768 KB
L2 cache 512K (per core) vs 4 MB
Benchmarks
PassMark - CPU mark 19532 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 3% higher clock speed: 3.1 GHz vs 3 GHz
  • 524288x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2x lower typical power consumption: 50 Watt vs 100 Watt
  • Around 11% better performance in PassMark - Single thread mark: 1881 vs 1700
Specifications (specs)
Unlocked Unlocked vs Locked
Maximum frequency 3.1 GHz vs 3 GHz
L3 cache 16 MB vs 32MB (shared)
Thermal Design Power (TDP) 50 Watt vs 100 Watt
Benchmarks
PassMark - Single thread mark 1881 vs 1700

Compare benchmarks

CPU 1: AMD EPYC 3451
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark
CPU 1
CPU 2
1700
1881
PassMark - CPU mark
CPU 1
CPU 2
19532
13912
Name AMD EPYC 3451 AMD EPYC Embedded 3251
PassMark - Single thread mark 1700 1881
PassMark - CPU mark 19532 13912

Compare specifications (specs)

AMD EPYC 3451 AMD EPYC Embedded 3251

Essentials

Architecture codename Zen (Snowy Owl) Zen
Launch date 21 Feb 2018 21 Feb 2018
Place in performance rating 1188 1189
Vertical segment Server

Performance

Base frequency 2.15 GHz 2.5 GHz
Die size 2x 213 mm² 192 mm
L1 cache 96K (per core) 768 KB
L2 cache 512K (per core) 4 MB
L3 cache 32MB (shared) 16 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 105°C
Maximum frequency 3 GHz 3.1 GHz
Number of cores 16 8
Number of threads 32 16
Transistor count 4,800 million 4800 million
Unlocked
64 bit support

Memory

ECC memory support
Supported memory types DDR4-2666 MHz, Dual-channel DDR4-2666
Max memory channels 2
Maximum memory bandwidth 39.74 GB/s
Maximum memory size 512 GB

Compatibility

Configurable TDP 80-100 W
Max number of CPUs in a configuration 1 1
Sockets supported AMD BGA SP4r2
Thermal Design Power (TDP) 100 Watt 50 Watt

Peripherals

PCIe configurations Gen 3, 64 Lanes, (CPU only) x16, x8, x4, x2
Integrated LAN
Max number of PCIe lanes 32
PCI Express revision 3.0
Total number of SATA ports 8
USB revision 3.0

Virtualization

AMD Virtualization (AMD-V™)