AMD Epyc 7402P
AMD Ryzen Threadripper 3990X
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AMD Epyc 7402P vs AMD Ryzen Threadripper 3990X

Overall score
star star star star star
Released
Q3/2019
Released
Q1/2020
Overall score
star star star star star

Which one of the central processing units is better: AMD Epyc 7402P or AMD Ryzen Threadripper 3990X? On this page we compare the technical data and benchmark results of different CPUs.

The AMD Epyc 7402P has 24 cores and 48 threads with maximum working frequency of 3.35 GHz. The AMD Epyc 7402P was released on Q3/2019.

The AMD Ryzen Threadripper 3990X has 64 cores with 48 threads and 3.35 GHz of frequency. The AMD Ryzen Threadripper 3990X was released on Q1/2020.

Differences
Reasons to consider
AMD Epyc 7402P
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  • Performance per watt
    180 W left arrow 280 W
    About 1.56 0.97 times less performance per watt
Reasons to consider
AMD Ryzen Threadripper 3990X
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  • Higher clock speed
    2.90 GHz left arrow 2.80 GHz
    Around 3% better clock speed
  • More number of cores
    64 left arrow 24
    3 times more cores
  • Higher turbo clock speed
    4.30 GHz left arrow 3.35 GHz
    Around 22 % better overclocked clock speed
Specifications
Complete list of technical specifications
AMD Epyc 7402P AMD Epyc 7402P
AMD Ryzen Threadripper 3990X AMD Ryzen Threadripper 3990X
CPU generation and family

Let's find out which one of AMD Epyc 7402P and AMD Ryzen Threadripper 3990X is of a more recent generation, and what segment it belongs to.

  • Name
    AMD Epyc 7402P left arrow AMD Ryzen Threadripper 3990X
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    AMD Epyc left arrow AMD Ryzen
  • Generation
    2 left arrow 3
  • CPU group
    AMD Epyc 7002 left arrow AMD Ryzen Threadripper 3000
CPU Cores and Base Frequency

In this block we are going to compare AMD Epyc 7402P vs AMD Ryzen Threadripper 3990X by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

  • Frequency
    2.80 GHz left arrow 2.90 GHz
  • CPU Cores
    24 left arrow 64
  • Turbo (1 Core)
    3.35 GHz left arrow 4.30 GHz
  • CPU Threads
    48 left arrow 128
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    No left arrow Yes
  • Core architecture
    normal left arrow normal
Internal Graphics

Common specifications for integrated graphics cards in AMD Epyc 7402P and AMD Ryzen Threadripper 3990X along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

  • GPU name
    no iGPU left arrow no iGPU
  • GPU (Turbo)
    No turbo left arrow No turbo
Hardware codec support

Let's compare the support of video codecs between AMD Epyc 7402P and AMD Ryzen Threadripper 3990X. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    No left arrow No
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    No left arrow No
  • VC-1
    No left arrow No
  • JPEG
    No left arrow No
Memory & PCIe

To choose the best model between AMD Epyc 7402P and AMD Ryzen Threadripper 3990X you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

  • Memory type
    DDR4-3200 left arrow DDR4-3200
  • Max. Memory
    left arrow 2048 GB
  • ECC
    Yes left arrow Yes
  • Memory channels
    8 left arrow 4
  • PCIe version
    4.0 left arrow 4.0
  • PCIe lanes
    128 left arrow 72
Encryption

AES-NI encryption support for CPUs AMD Epyc 7402P and AMD Ryzen Threadripper 3990X.

  • AES-NI
    Yes left arrow Yes
Thermal Management

Let's find out what TDP value would be better for AMD Epyc 7402P or AMD Ryzen Threadripper 3990X? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

  • TDP (PL1)
    180 W left arrow 280 W
  • Tjunction max.
    -- left arrow 95 °C
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Epyc 7402P and AMD Ryzen Threadripper 3990X CPUs along with a list of ISA extensions.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V, SVM left arrow AMD-V, SVM
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • L3-Cache
    128.00 MB left arrow 256.00 MB
  • Architecture
    Rome (Zen 2) left arrow Castle Peak (Zen 2)
  • Technology
    7 nm left arrow 7 nm
  • Socket
    SP3 left arrow TRX4 (sTRX4)
  • Release date
    Q3/2019 left arrow Q1/2020
Devices using this processor

List of devices based on AMD Epyc 7402P and AMD Ryzen Threadripper 3990X.

  • Used in
    Unknown left arrow Unknown
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