AMD EPYC 7702P vs AMD EPYC 7401

Comparative analysis of AMD EPYC 7702P 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 7702P

  • CPU is newer: launch date 2 year(s) 2 month(s) later
  • 40 more cores, run more applications at once: 64 vs 24
  • 80 more threads: 128 vs 48
  • Around 12% higher clock speed: 3.35 GHz vs 3 GHz
  • Around 78% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
Launch date 7 Aug 2019 vs June 2017
Number of cores 64 vs 24
Number of threads 128 vs 48
Maximum frequency 3.35 GHz vs 3 GHz
L1 cache 4 MB vs 96 KB (per core)
L2 cache 32 MB vs 512 KB (per core)
L3 cache 256 MB vs 64 MB

Reasons to consider the AMD EPYC 7401

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 18% lower typical power consumption: 155/170 Watt vs 200 Watt
Unlocked Unlocked vs Locked
Max number of CPUs in a configuration 2 vs 1
Thermal Design Power (TDP) 155/170 Watt vs 200 Watt

Compare benchmarks

CPU 1: AMD EPYC 7702P
CPU 2: AMD EPYC 7401

Name AMD EPYC 7702P AMD EPYC 7401
PassMark - Single thread mark 2259
PassMark - CPU mark 46067
Geekbench 4 - Single Core 3541
Geekbench 4 - Multi-Core 24681

Compare specifications (specs)

AMD EPYC 7702P AMD EPYC 7401

Essentials

Architecture codename Zen 2 Zen
Family EPYC AMD EPYC
Launch date 7 Aug 2019 June 2017
Launch price (MSRP) $4425
Place in performance rating 4 137
Processor Number 7702P
Vertical segment Server Server
Series AMD EPYC 7000 Series

Performance

Base frequency 2 GHz 2 GHz
L1 cache 4 MB 96 KB (per core)
L2 cache 32 MB 512 KB (per core)
L3 cache 256 MB 64 MB
Maximum frequency 3.35 GHz 3 GHz
Number of cores 64 24
Number of threads 128 48
Unlocked
64 bit support
Die size 192 mm
Manufacturing process technology 14 nm
Transistor count 4800 million

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 1 2
Sockets supported SP3 TR4
Thermal Design Power (TDP) 200 Watt 155/170 Watt
Socket Count 1P/2P

Peripherals

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

Virtualization

AMD Virtualization (AMD-V™)