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

4870

2046

PassMark
CPU mark

Top 1 CPU

This CPU

156834

94081

Name	Value
PassMark - Single thread mark	2046
PassMark - CPU mark	94081

Specifications (specs)

Essentials
Architecture codename	Zen 2
Launch date	7 Aug 2019
Place in performance rating	159
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™)