AMD EPYC 7742 Processor

Last updated:

EPYC 7742 is a server/workstation processor from AMD released on 7 August 2019, and it is in active production status now. It belongs to EPYC family and has a Rome architecture. This processor is built on AMD Socket SP3, and uses Gen 4 PCI express connection. 7 nm process is used in production.

Processor has 64 cores and 128 threads, with the base frequency of 2.25 GHz. It has DDR4-3200 MHz Eight-channel memory support. As for the cache, it supports L1 96K (per core), L2 512K (per core) and L3 256MB (shared).

Learn more about AMD EPYC 7742:

Specifications

Vertical Segment
Server/Workstation
Release date
7 August 2019
Production status
Active
Generation
EPYC
Codename
Rome
Socket
AMD Socket SP3
Total Cores
64
Total Threads
128
Frequency
2.25 GHz
Turbo clock
up to 3.4 GHz
Cache L1
96K (per core)
Cache L2
512K (per core)
Cache L3
256MB (shared)
TDP
225 W

Physical Specifications

Socket
AMD Socket SP3
Foundry
TSMC
Process size
7 nm
Transistors
3,800 million
Die size
74 mm²
Package
FCLGA-4094

Performance

Frequency
2.25 GHz
Turbo clock
up to 3.4 GHz
Base clock
100 MHz
Multiplier
22.5x
Multiplier unlocked
Yes
TDP
225 W

Architecture Details

Vertical Segment
Server/Workstation
Production status
Active
Release date
7 August 2019
Codename
Rome
Generation
EPYC
Part
100-000000053
Memory support
DDR4-3200 MHz Eight-channel
ECC memory
Yes
PCI Express
Gen 4

Cores

Total Cores
64
Total Threads
128
SMP # CPUs
2
Integrated graphics
N/A

Cache

Cache L1
96K (per core)
Cache L2
512K (per core)
Cache L3
256MB (shared)

Notes

Notes
This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

Features & Technologies

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSSE3
  • SSE4A
  • SSE4.1
  • SSE4.2
  • AES
  • AVX
  • AVX2
  • BMI1
  • BMI2
  • SHA
  • F16C
  • FMA3
  • AMD-V
  • SMT
  • EMMX
  • ABM
  • RdRand
  • ADX
  • CLMUL
  • Real
  • Protected
  • SMM
  • FPU
  • NX bit
  • AMD-Vi
  • SME
  • TSME
  • SEV
  • SenseMi
  • Boost 2

Drivers

Looking for EPYC 7742 driver download? We recommend Driver Booster program that can find, install, and keep up to date all drivers on Windows 10, 8.1, and 7 in one click!

FREE Drivers Download

Benchmark & Performance

Compare

Gaming

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.