AMD EPYC 7662 vs AMD EPYC 7343

Comparative analysis of AMD EPYC 7662 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 7662

  • 48 more cores, run more applications at once: 64 vs 16
  • 96 more threads: 128 vs 32
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x 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 31% better performance in PassMark - CPU mark: 97178 vs 73934
Specifications (specs)
Number of cores 64 vs 16
Number of threads 128 vs 32
L1 cache 4 MB vs 1 MB
L2 cache 32 MB vs 8 MB
L3 cache 256 MB vs 128 MB
Benchmarks
PassMark - CPU mark 97178 vs 73934

Reasons to consider the AMD EPYC 7343

  • CPU is newer: launch date 1 year(s) 0 month(s) later
  • Around 18% higher clock speed: 3.9 GHz vs 3.3 GHz
  • Around 18% lower typical power consumption: 190 Watt vs 225 Watt
  • Around 34% better performance in PassMark - Single thread mark: 2806 vs 2089
Specifications (specs)
Launch date 15 Mar 2021 vs 19 Feb 2020
Maximum frequency 3.9 GHz vs 3.3 GHz
Thermal Design Power (TDP) 190 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark 2806 vs 2089

Compare benchmarks

CPU 1: AMD EPYC 7662
CPU 2: AMD EPYC 7343

PassMark - Single thread mark
CPU 1
CPU 2
2089
2806
PassMark - CPU mark
CPU 1
CPU 2
97178
73934
Name AMD EPYC 7662 AMD EPYC 7343
PassMark - Single thread mark 2089 2806
PassMark - CPU mark 97178 73934

Compare specifications (specs)

AMD EPYC 7662 AMD EPYC 7343

Essentials

Architecture codename Zen 3 Zen 3
Launch date 19 Feb 2020 15 Mar 2021
OPN PIB 100-100000137WOF 100-100000338WOF
OPN Tray 100-000000137 100-000000338
Place in performance rating 101 102
Vertical segment Server Server
Launch price (MSRP) $1565

Performance

Base frequency 2.0 GHz 3.2 GHz
L1 cache 4 MB 1 MB
L2 cache 32 MB 8 MB
L3 cache 256 MB 128 MB
Manufacturing process technology 7 nm, 14 nm 7 nm+
Maximum frequency 3.3 GHz 3.9 GHz
Number of cores 64 16
Number of threads 128 32
Unlocked

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 190.73 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
PCIe configurations 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™)