AMD EPYC 7452 vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7452 and AMD EPYC 7742 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 7452

  • Around 45% lower typical power consumption: 155 Watt vs 225 Watt
Thermal Design Power (TDP) 155 Watt vs 225 Watt

Reasons to consider the AMD EPYC 7742

  • 32 more cores, run more applications at once: 64 vs 32
  • 64 more threads: 128 vs 64
  • Around 1% higher clock speed: 3.4 GHz vs 3.35 GHz
  • 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 4% better performance in PassMark - Single thread mark: 2376 vs 2290
  • Around 26% better performance in PassMark - CPU mark: 67185 vs 53478
Specifications (specs)
Number of cores 64 vs 32
Number of threads 128 vs 64
Maximum frequency 3.4 GHz vs 3.35 GHz
L1 cache 4 MB vs 2 MB
L2 cache 32 MB vs 16 MB
L3 cache 256 MB vs 128 MB
Benchmarks
PassMark - Single thread mark 2376 vs 2290
PassMark - CPU mark 67185 vs 53478

Compare benchmarks

CPU 1: AMD EPYC 7452
CPU 2: AMD EPYC 7742

PassMark - Single thread mark
CPU 1
CPU 2
2290
2376
PassMark - CPU mark
CPU 1
CPU 2
53478
67185
Name AMD EPYC 7452 AMD EPYC 7742
PassMark - Single thread mark 2290 2376
PassMark - CPU mark 53478 67185

Compare specifications (specs)

AMD EPYC 7452 AMD EPYC 7742

Essentials

Architecture codename Zen 2 Zen 2
Launch date 7 Aug 2019 7 Aug 2019
Launch price (MSRP) $2025
OPN PIB 100-100000057WOF
OPN Tray 100-000000057
Place in performance rating 16 5
Vertical segment Server Server

Performance

Base frequency 2.35 GHz 2.25 GHz
L1 cache 2 MB 4 MB
L2 cache 16 MB 32 MB
L3 cache 128 MB 256 MB
Manufacturing process technology 7 nm, 14 nm 7 nm, 14 nm
Maximum frequency 3.35 GHz 3.4 GHz
Number of cores 32 64
Number of threads 64 128
Unlocked

Memory

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

Compatibility

Max number of CPUs in a configuration 2 2
Socket Count 1P/2P
Sockets supported SP3 SP3
Thermal Design Power (TDP) 155 Watt 225 Watt

Peripherals

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