AMD EPYC 7742 processor review

EPYC 7742 processor released by AMD; release date: 7 Aug 2019. The processor is designed for server-computers and based on Zen 2 microarchitecture.

CPU is unlocked for overclocking. Total number of cores - 64, threads - 128. Maximum CPU clock speed - 3.4 GHz. Manufacturing process technology - 7 nm, 14 nm. Cache size: L1 - 4 MB, L2 - 32 MB, L3 - 256 MB.

Supported memory types: DDR4-3200. Maximum memory size: 4 TB.

Supported socket types: SP3. Maximum number of processors in a configuration - 2. Power consumption (TDP): 225 Watt.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
3044
2296
PassMark
CPU mark
Top 1 CPU
This CPU
47365
47365
Name Value
PassMark - Single thread mark 2296
PassMark - CPU mark 47365

Specifications (specs)

Essentials

Architecture codename Zen 2
Launch date 7 Aug 2019
Place in performance rating 1
Vertical segment Server

Performance

Base frequency 2.25 GHz
L1 cache 4 MB
L2 cache 32 MB
L3 cache 256 MB
Manufacturing process technology 7 nm, 14 nm
Maximum frequency 3.4 GHz
Number of cores 64
Number of threads 128
Unlocked

Memory

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

Compatibility

Max number of CPUs in a configuration 2
Sockets supported SP3
Thermal Design Power (TDP) 225 Watt

Peripherals

Max number of PCIe lanes 128
PCI Express revision 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™)