AMD EPYC 7742: specs and benchmarks

AMD EPYC 7742

Summary

AMD started AMD EPYC 7742 sales 7 August 2019 at a recommended price of $6,950. This is high-end Zen 2 architecture desktop processor primarily aimed at professional systems. It has 64 cores and 128 threads, and is based on 7 nm, 14 nm manufacturing technology, with a maximum frequency of 2250 MHz and a locked multiplier.

Compatibility-wise, this is Socket SP3 processor with a TDP of 225 Watt. It supports DDR4-3200 memory.

It provides outstanding benchmark performance and is currently a leader of our rating.

General info

Of EPYC 7742 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Type
Server
 
Series
AMD EPYC
 
Achitecture codename
Zen 2
 
Release date
7 August 2019
 
Launch price (MSRP)
$6,950
 

Technical specs

EPYC 7742's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of EPYC 7742's performance, but to be more precise you have to review its test results.
Number of cores
64
 
Number of threads
128
 
Maximum frequency
2.25 GHz
 
of 5 (FX-9590)
L1 cache
4 MB
 
of 0.875 (Core i9-7940X)
L2 cache
32 MB
 
of 8 (FX-8350)
L3 cache
256 MB
 
Manufacturing process technology
7 nm, 14 nm
 
64 bit support
+
 

Compatibility

Information on EPYC 7742 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
2 (Multiprocessor)
 
Socket
Socket SP3
 
Power consumption (TDP)
225 Watt
 
of 650 (Atom Z500)

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7742. You'll probably need this information if you require some particular technology.
AES-NI
+
 
AVX
+
 

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7742 are enumerated here.
AMD-V
+
 

Memory specs

Types, maximum amount and channel number of RAM supported by EPYC 7742.
Supported memory types
DDR4-3200
 
Maximum memory size
4 TiB
 
Max memory channels
8
 
Maximum memory bandwidth
190.7 GB / s
 
of 262.26 (Xeon Platinum 9221)
ECC memory support
+
 

Benchmark performance

Non-gaming benchmarks performance of EPYC 7742. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

100.00

Passmark

47365

Game benchmarks

Let's see how good EPYC 7742 is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Relative perfomance

Overall EPYC 7742 performance compared to nearest competitors. All CPU types participate.

Advices and comments

Here you can ask a question about EPYC 7742, agree or disagree with our judgements, or report an error or mismatch.