AMD EPYC 7702 vs AMD EPYC 7742

Comparative analysis of AMD EPYC 7702 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 7702

  • Around 13% lower typical power consumption: 200 Watt vs 225 Watt
  • Around 6% better performance in PassMark - CPU mark: 71362 vs 67185
Specifications (specs)
Thermal Design Power (TDP) 200 Watt vs 225 Watt
Benchmarks
PassMark - CPU mark 71362 vs 67185

Reasons to consider the AMD EPYC 7742

  • Around 1% higher clock speed: 3.4 GHz vs 3.35 GHz
  • Around 15% better performance in PassMark - Single thread mark: 2376 vs 2067
Specifications (specs)
Maximum frequency 3.4 GHz vs 3.35 GHz
Benchmarks
PassMark - Single thread mark 2376 vs 2067

Compare benchmarks

CPU 1: AMD EPYC 7702
CPU 2: AMD EPYC 7742

PassMark - Single thread mark
CPU 1
CPU 2
2067
2376
PassMark - CPU mark
CPU 1
CPU 2
71362
67185
Name AMD EPYC 7702 AMD EPYC 7742
PassMark - Single thread mark 2067 2376
PassMark - CPU mark 71362 67185

Compare specifications (specs)

AMD EPYC 7702 AMD EPYC 7742

Essentials

Architecture codename Zen 2 Zen 2
Launch date 7 Aug 2019 7 Aug 2019
Launch price (MSRP) $6450
OPN PIB 100-100000038WOF
OPN Tray 100-000000038
Place in performance rating 5 4
Vertical segment Server Server

Performance

Base frequency 2.0 GHz 2.25 GHz
L1 cache 4 MB 4 MB
L2 cache 32 MB 32 MB
L3 cache 256 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 64 64
Number of threads 128 128
Unlocked

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 204.8 GB/s 190.7 GB/s
Maximum memory size 4 TB 4 TB
Supported memory types DDR4-3200 DDR4-3200

Compatibility

Socket Count 1P/2P
Sockets supported SP3 SP3
Thermal Design Power (TDP) 200 Watt 225 Watt
Max number of CPUs in a configuration 2

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™)