AMD EPYC 3151 vs AMD EPYC 7281

Comparative analysis of AMD EPYC 3151 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 3151

  • CPU is newer: launch date 8 month(s) later
  • Around 7% higher clock speed: 2.9 GHz vs 2.7 GHz
  • 3.8x lower typical power consumption: 45 Watt vs 155/170 Watt
  • Around 16% better performance in PassMark - Single thread mark: 1883 vs 1626
Specifications (specs)
Launch date 21 Feb 2018 vs June 2017
Maximum frequency 2.9 GHz vs 2.7 GHz
Thermal Design Power (TDP) 45 Watt vs 155/170 Watt
Benchmarks
PassMark - Single thread mark 1883 vs 1626

Reasons to consider the AMD EPYC 7281

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 12 more cores, run more applications at once: 16 vs 4
  • 24 more threads: 32 vs 8
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2.6x better performance in PassMark - CPU mark: 21621 vs 8376
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 16 vs 4
Number of threads 32 vs 8
L1 cache 96 KB (per core) vs 96K (per core)
L2 cache 512 KB (per core) vs 512K (per core)
L3 cache 32 MB vs 16MB (shared)
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - CPU mark 21621 vs 8376

Compare benchmarks

CPU 1: AMD EPYC 3151
CPU 2: AMD EPYC 7281

PassMark - Single thread mark
CPU 1
CPU 2
1883
1626
PassMark - CPU mark
CPU 1
CPU 2
8376
21621
Name AMD EPYC 3151 AMD EPYC 7281
PassMark - Single thread mark 1883 1626
PassMark - CPU mark 8376 21621

Compare specifications (specs)

AMD EPYC 3151 AMD EPYC 7281

Essentials

Architecture codename Zen Zen
Launch date 21 Feb 2018 June 2017
Place in performance rating 1267 1192
Family AMD EPYC
Series AMD EPYC 7000 Series
Vertical segment Server

Performance

Base frequency 2.7 GHz 2.1 GHz
Die size 213 mm² 192 mm
L1 cache 96K (per core) 96 KB (per core)
L2 cache 512K (per core) 512 KB (per core)
L3 cache 16MB (shared) 32 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 95°C
Maximum frequency 2.9 GHz 2.7 GHz
Number of cores 4 16
Number of threads 8 32
Unlocked
64 bit support
Transistor count 4800 million

Memory

ECC memory support
Supported memory types DDR4-2666 MHz, Dual-channel DDR4
Max memory channels 8
Maximum memory bandwidth 307/341 GB/s
Supported memory frequency 2400/2666 MHz

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported AMD BGA SP4r2 TR4
Thermal Design Power (TDP) 45 Watt 155/170 Watt
Socket Count 1P/2P

Peripherals

PCIe configurations Gen 3, 32 Lanes, (CPU only)
PCI Express revision x128

Virtualization

AMD Virtualization (AMD-V™)