AMD EPYC 7443P vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7443P and AMD EPYC 7401 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD EPYC 7443P

  • CPU is newer: launch date 3 year(s) 9 month(s) later
  • Around 33% higher clock speed: 4.0 GHz vs 3 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 14 nm
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 58% better performance in PassMark - Single thread mark: 2915 vs 1850
  • Around 3% better performance in PassMark - CPU mark: 57193 vs 55280
Specifications (specs)
Launch date 15 Mar 2021 vs June 2017
Maximum frequency 4.0 GHz vs 3 GHz
Manufacturing process technology 7 nm+ vs 14 nm
L3 cache 128 MB vs 64 MB
Benchmarks
PassMark - Single thread mark 2915 vs 1850
PassMark - CPU mark 57193 vs 55280

Reasons to consider the AMD EPYC 7401

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 18% lower typical power consumption: 155/170 Watt vs 200 Watt
Unlocked Unlocked vs Locked
L1 cache 96 KB (per core) vs 1536 KB
Thermal Design Power (TDP) 155/170 Watt vs 200 Watt

Compare benchmarks

CPU 1: AMD EPYC 7443P
CPU 2: AMD EPYC 7401

PassMark - Single thread mark
CPU 1
CPU 2
2915
1850
PassMark - CPU mark
CPU 1
CPU 2
57193
55280
Name AMD EPYC 7443P AMD EPYC 7401
PassMark - Single thread mark 2915 1850
PassMark - CPU mark 57193 55280
Geekbench 4 - Single Core 3541
Geekbench 4 - Multi-Core 24681

Compare specifications (specs)

AMD EPYC 7443P AMD EPYC 7401

Essentials

Architecture codename Zen 3 Zen
Launch date 15 Mar 2021 June 2017
Launch price (MSRP) $1337
OPN PIB 100-100000342WOF
OPN Tray 100-000000342
Place in performance rating 168 121
Vertical segment Server Server
Family AMD EPYC
Series AMD EPYC 7000 Series

Performance

Base frequency 2.85 GHz 2 GHz
L1 cache 1536 KB 96 KB (per core)
L2 cache 12 MB 512 KB (per core)
L3 cache 128 MB 64 MB
Manufacturing process technology 7 nm+ 14 nm
Maximum frequency 4.0 GHz 3 GHz
Number of cores 24 24
Number of threads 48 48
Unlocked
64 bit support
Die size 192 mm
Transistor count 4800 million

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 190.73 GB/s 307/341 GB/s
Maximum memory size 4 TB
Supported memory types DDR4-3200 DDR4
Supported memory frequency 2400/2666 MHz

Compatibility

Configurable TDP 165-200 Watt
Socket Count 1P 1P/2P
Sockets supported SP3 TR4
Thermal Design Power (TDP) 200 Watt 155/170 Watt
Max number of CPUs in a configuration 2

Peripherals

Max number of PCIe lanes 128
PCI Express revision 4.0 x128

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™)