AMD EPYC 7742 vs AMD Opteron 4280

Comparative analysis of AMD EPYC 7742 and AMD Opteron 4280 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD EPYC 7742

  • 56 more cores, run more applications at once: 64 vs 8
  • 120 more threads: 128 vs 8
  • Around 55% higher clock speed: 3.4 GHz vs 2.2 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 32 nm
  • 10.7x 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
  • 32x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 88% better performance in PassMark - Single thread mark: 2142 vs 1141
  • 21.5x better performance in PassMark - CPU mark: 96766 vs 4504
Specifications (specs)
Number of cores 64 vs 8
Number of threads 128 vs 8
Maximum frequency 3.4 GHz vs 2.2 GHz
Manufacturing process technology 7 nm, 14 nm vs 32 nm
L1 cache 4 MB vs 384 KB
L2 cache 32 MB vs 8 MB
L3 cache 256 MB vs 8 MB
Benchmarks
PassMark - Single thread mark 2142 vs 1141
PassMark - CPU mark 96766 vs 4504

Reasons to consider the AMD Opteron 4280

  • 2.4x lower typical power consumption: 95 Watt vs 225 Watt
Thermal Design Power (TDP) 95 Watt vs 225 Watt

Compare benchmarks

CPU 1: AMD EPYC 7742
CPU 2: AMD Opteron 4280

PassMark - Single thread mark
CPU 1
CPU 2
2142
1141
PassMark - CPU mark
CPU 1
CPU 2
96766
4504
Name AMD EPYC 7742 AMD Opteron 4280
PassMark - Single thread mark 2142 1141
PassMark - CPU mark 96766 4504

Compare specifications (specs)

AMD EPYC 7742 AMD Opteron 4280

Essentials

Architecture codename Zen 2
Launch date 7 Aug 2019
Place in performance rating 97 1924
Vertical segment Server Server
Family AMD Opteron
OPN Tray OS4280WLU8KGU
Series AMD Opteron 4200 Series Processor

Performance

Base frequency 2.25 GHz 2.8 GHz
L1 cache 4 MB 384 KB
L2 cache 32 MB 8 MB
L3 cache 256 MB 8 MB
Manufacturing process technology 7 nm, 14 nm 32 nm
Maximum frequency 3.4 GHz 2.2 GHz
Number of cores 64 8
Number of threads 128 8
Unlocked
Maximum core temperature 70.50°C

Memory

ECC memory support
Max memory channels 8
Maximum memory bandwidth 190.7 GB/s
Maximum memory size 4 TB
Supported memory types DDR4-3200 DDR3
Supported memory frequency 2200 MHz

Compatibility

Max number of CPUs in a configuration 2
Sockets supported SP3 C32
Thermal Design Power (TDP) 225 Watt 95 Watt

Peripherals

Max number of PCIe lanes 128
PCI Express revision 4.0
PCIe configurations x16, x8

Advanced Technologies

AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions

Virtualization

AMD Virtualization (AMD-V™)