AMD EPYC 7742: specs and benchmarks



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 an unlocked multiplier.

Compatibility-wise, this is AMD Socket TR4 processor with a TDP of 225 Watt. It supports DDR4 Eight-channel memory.

It provides outstanding benchmark performance at 75.72 percent of a leader's which is AMD Ryzen Threadripper PRO 3995WX.

General info

Of EPYC 7742 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
Value for money (0-100)
Market segment
Architecture codename
Zen 2
Release date
7 August 2019
Launch price (MSRP)
Price now

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
Number of threads
Base frequency
2.25 GHz
of 4.7 (FX-9590)
Maximum frequency
2.25 GHz
L1 cache
4 MB
of 0.875 (Atom C3950)
L2 cache
32 MB
L3 cache
256 MB (shared)
Manufacturing process technology
7 nm, 14 nm
of 5 (Apple M1)
Die size
192 mm2
Transistor count
4,800 million
of 19200 (Ryzen 9 3800X)
64 bit support


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)
Power consumption (TDP)
225 Watt

Technologies and extensions

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

Virtualization technologies

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

Memory specs

Types, maximum amount and channel number of RAM supported by EPYC 7742.
Supported memory types
DDR4 Eight-channel
of 4266 (Ryzen 9 4900H)
Maximum memory size
4 TiB
Max memory channels
Maximum memory bandwidth
204.763 GB/s
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




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.

User rating

Here are CPU ratings given by our user. You can rate both processors yourself.

Advices and comments

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