AMD EPYC 7452 vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7452 and AMD EPYC 7401 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD EPYC 7452

  • CPU is newer: launch date 2 year(s) 2 month(s) later
  • 8 more cores, run more applications at once: 32 vs 24
  • 16 more threads: 64 vs 48
  • Around 12% higher clock speed: 3.35 GHz vs 3 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
  • Around 33% 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 10% lower typical power consumption: 155 Watt vs 155/170 Watt
Launch date 7 Aug 2019 vs June 2017
Number of cores 32 vs 24
Number of threads 64 vs 48
Maximum frequency 3.35 GHz vs 3 GHz
Manufacturing process technology 7 nm, 14 nm vs 14 nm
L2 cache 16 MB vs 512 KB (per core)
L3 cache 128 MB vs 64 MB
Thermal Design Power (TDP) 155 Watt vs 155/170 Watt

Reasons to consider the AMD EPYC 7401

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 13% more L1 cache; more data can be stored in the L1 cache for quick access later
Unlocked Unlocked vs Locked
L1 cache 96 KB (per core) vs 2 MB

Compare benchmarks

CPU 1: AMD EPYC 7452
CPU 2: AMD EPYC 7401

Name AMD EPYC 7452 AMD EPYC 7401
PassMark - Single thread mark 2232
PassMark - CPU mark 38257
Geekbench 4 - Single Core 3541
Geekbench 4 - Multi-Core 24681

Compare specifications (specs)

AMD EPYC 7452 AMD EPYC 7401

Essentials

Architecture codename Zen 2 Zen
Launch date 7 Aug 2019 June 2017
Launch price (MSRP) $2025
OPN PIB 100-100000057WOF
OPN Tray 100-000000057
Place in performance rating 9 19
Vertical segment Server Server
Family AMD EPYC
Series AMD EPYC 7000 Series

Performance

Base frequency 2.35 GHz 2 GHz
L1 cache 2 MB 96 KB (per core)
L2 cache 16 MB 512 KB (per core)
L3 cache 128 MB 64 MB
Manufacturing process technology 7 nm, 14 nm 14 nm
Maximum frequency 3.35 GHz 3 GHz
Number of cores 32 24
Number of threads 64 48
64 bit support
Die size 192 mm
Transistor count 4800 million
Unlocked

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 190.7 GB/s 307/341 GB/s
Maximum memory size 4 TB
Supported memory types DDR4-3200 DDR4
Supported memory frequency 2400/2666 MHz

Compatibility

Max number of CPUs in a configuration 2 2
Socket Count 1P/2P 1P/2P
Sockets supported SP3 TR4
Thermal Design Power (TDP) 155 Watt 155/170 Watt

Peripherals

Max number of PCIe lanes 128
PCI Express revision 4.0 x128
PCIe configurations x16, x8

Virtualization

AMD Virtualization (AMD-V™)