Xeon Gold 6338T vs EPYC 7742

VS

Primary details

Comparing EPYC 7742 and Xeon Gold 6338T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking45not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.55no data
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency18.54no data
Architecture codenameZen 2 (2017−2020)Ice Lake-SP (2021)
Release date7 August 2019 (5 years ago)6 April 2021 (3 years ago)
Launch price (MSRP)$6,950no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7742 and Xeon Gold 6338T basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores64 (Tetrahexaconta-Core)24 (Tetracosa-Core)
Threads12848
Base clock speed2.25 GHz2.1 GHz
Boost clock speed3.4 GHz3.4 GHz
Multiplier22.5no data
L1 cache4 MB64K (per core)
L2 cache32 MB1 MB (per core)
L3 cache256 MB (shared)36 MB (shared)
Chip lithography7 nm, 14 nm10 nm
Die size192 mm2no data
Maximum case temperature (TCase)no data87 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on EPYC 7742 and Xeon Gold 6338T compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration2 (Multiprocessor)2
SocketTR4FCLGA4189
Power consumption (TDP)225 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7742 and Xeon Gold 6338T. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

EPYC 7742 and Xeon Gold 6338T technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno dataYes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7742 and Xeon Gold 6338T are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7742 and Xeon Gold 6338T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4-3200
Maximum memory size4 TiB6 TB
Max memory channels88
Maximum memory bandwidth204.763 GB/sno data
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by EPYC 7742 and Xeon Gold 6338T.

PCIe versionno data4.0
PCI Express lanesno data64

Pros & cons summary


Recency 7 August 2019 6 April 2021
Physical cores 64 24
Threads 128 48
Chip lithography 7 nm 10 nm
Power consumption (TDP) 225 Watt 165 Watt

EPYC 7742 has 166.7% more physical cores and 166.7% more threads, and a 42.9% more advanced lithography process.

Xeon Gold 6338T, on the other hand, has an age advantage of 1 year, and 36.4% lower power consumption.

We couldn't decide between EPYC 7742 and Xeon Gold 6338T. We've got no test results to judge.


Should you still have questions on choice between EPYC 7742 and Xeon Gold 6338T, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD EPYC 7742
EPYC 7742
Intel Xeon Gold 6338T
Xeon Gold 6338T

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 129 votes

Rate EPYC 7742 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate Xeon Gold 6338T on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about EPYC 7742 or Xeon Gold 6338T, agree or disagree with our judgements, or report an error or mismatch.