AMD EPYC 7542 vs AMD EPYC 7343

Comparative analysis of AMD EPYC 7542 and AMD EPYC 7343 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 7542

  • 16 more cores, run more applications at once: 32 vs 16
  • 32 more threads: 64 vs 32
  • 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 2% better performance in PassMark - CPU mark: 75117 vs 73934
Specifications (specs)
Number of cores 32 vs 16
Number of threads 64 vs 32
L1 cache 2 MB vs 1 MB
L2 cache 16 MB vs 8 MB
Benchmarks
PassMark - CPU mark 75117 vs 73934

Reasons to consider the AMD EPYC 7343

  • CPU is newer: launch date 1 year(s) 7 month(s) later
  • Around 15% higher clock speed: 3.9 GHz vs 3.4 GHz
  • Around 18% lower typical power consumption: 190 Watt vs 225 Watt
  • Around 36% better performance in PassMark - Single thread mark: 2806 vs 2063
Specifications (specs)
Launch date 15 Mar 2021 vs 7 Aug 2019
Maximum frequency 3.9 GHz vs 3.4 GHz
Thermal Design Power (TDP) 190 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark 2806 vs 2063

Compare benchmarks

CPU 1: AMD EPYC 7542
CPU 2: AMD EPYC 7343

PassMark - Single thread mark
CPU 1
CPU 2
2063
2806
PassMark - CPU mark
CPU 1
CPU 2
75117
73934
Name AMD EPYC 7542 AMD EPYC 7343
PassMark - Single thread mark 2063 2806
PassMark - CPU mark 75117 73934

Compare specifications (specs)

AMD EPYC 7542 AMD EPYC 7343

Essentials

Architecture codename Zen 2 Zen 3
Launch date 7 Aug 2019 15 Mar 2021
Launch price (MSRP) $3400 $1565
OPN PIB 100-100000075WOF 100-100000338WOF
OPN Tray 100-000000075 100-000000338
Place in performance rating 227 102
Vertical segment Server Server

Performance

Base frequency 2.9 GHz 3.2 GHz
L1 cache 2 MB 1 MB
L2 cache 16 MB 8 MB
L3 cache 128 MB 128 MB
Manufacturing process technology 7 nm, 14 nm 7 nm+
Maximum frequency 3.4 GHz 3.9 GHz
Number of cores 32 16
Number of threads 64 32
Unlocked

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 190.7 GB/s 190.73 GB/s
Maximum memory size 4 TB 4 TB
Supported memory types DDR4-3200 DDR4-3200

Compatibility

Socket Count 1P/2P 1P/2P
Sockets supported SP3 SP3
Thermal Design Power (TDP) 225 Watt 190 Watt
Configurable TDP 165-200 Watt

Peripherals

Max number of PCIe lanes 128 128
PCI Express revision 4.0 4.0

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™)