AMD Epyc 7742 vs AMD Ryzen Threadripper 3990X

Last Updated & Fact Checked:  March 21, 2026

Are you trying to decide between the AMD Epyc 7742 and the AMD Ryzen Threadripper 3990X?

Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the AMD Epyc 7742 or the AMD Ryzen Threadripper 3990X – and find out exactly what the differences are.

Both the AMD Epyc 7742 and the AMD Ryzen Threadripper 3990X are quality products, so read on to find out which one is best for your needs!

AMD Epyc 7742 quick facts

AMD Ryzen Threadripper 3990X quick facts

AMD Epyc 7742 product details

Bestseller No. 1
AMD EPYC 7742-2.25 GHz - 64-core - 128 Threads - 256 MB Cache - Socket SP3 - PIB/WOF
  • Processor base frequency 3.4 GHz
  • Highly Efficient
  • Easy to Use
Bestseller No. 2
AMD (Advanced Micro Devices) - 100-000000053 - AMD EPYC 7002 (2nd Gen) 7742 Tetrahexaconta-core (64 Core) 2.25 GHz
  • New Leader
  • New Rules
  • 80 world records
  • Raise expectations for your data center
  • Cloud Computing Discover AMD EPYC processor-based instances from the world's largest cloud service providers Software Defined Infrastructure Discover how AMD EPYC Processors help customers
Bestseller No. 3

AMD Ryzen Threadripper 3990X product details

Bestseller No. 1
AMD Ryzen Threadripper 3990X 64-Core, 128-Thread Unlocked Desktop Processor
  • A world-beating 64 cores and 128 processing threads for visual effects and video editing professionals.
  • Incredible 4. 3 GHz max boost frequency, with a huge 288MB cache
  • Unlocked, with new automatic overclocking feature
  • Quad-Channel DDR4 and 88 total PCIe 4. 0 lanes, the most bandwidth and I/O you can get on desktop processor
  • 280W TDP
Bestseller No. 2
AMD Ryzen™ Threadripper™ 9960X
  • AMD Ryzen Threadripper Processors for Desktop Workstations
  • Ryzen Threadripper 9000 Series
Bestseller No. 3
AMD Ryzen™ Threadripper™ 7970X 32-Core, 64-Thread Processor
  • 32 Cores and 64 Processing Threads for Powerful, Professional Processing Power
  • Incredible 5.3 GHz Max Boost Frequency, with a huge 160MB Cache
  • Unlocked, with automatic overclocking feature
  • Quad-Channel DDR5 RDIMM support up to 1TB, and 80 usable PCIe lanes for serious bandwidth and I/O
  • 350W TDP, Cooler Not Included

New products & alternatives to the AMD Epyc 7742 and the AMD Ryzen Threadripper 3990X

New
AMD EPYC 4005 4465P Dodeca-core (12 Core) 3.40 GHz Processor - Box
  • The processor features Socket AM5 socket for installation on the PCB
  • EPYC product line processor for better usability and increased efficiency
  • Dodeca-core (12 Core) processor core allows multitasking with great reliability and fast processing speed
  • 64 MB of L3 cache memory provides excellent hit rate in short access time enabling improved system performance
  • Processor with 3.40 GHz clock speed for reliable and fast execution of instructions to ensure maximum convenience and feasibility
New
AMD Epyc 9554 Processor 3.1 Ghz 256 Mb L3, W128281619 (256 Mb L3)
  • Turn your data center into a competitive advantage with AMD - setting superior standards for performance, security and scalability for your most demanding workloads
  • High-performance computing The AMD EPYC processor is designed to deliver exceptional computing power, making it suitable for demanding applications and workloads
  • Scalable architecture With support for a single installed processor, this AMD EPYC product offers a scalable solution that can grow with your computing needs
New
AMD EPYC 9454
  • Turn your data center into a competitive advantage with AMD - setting superior standards for performance, security and scalability for your most demanding workloads
  • High-performance computing The AMD EPYC processor is designed to deliver exceptional computing power, making it suitable for demanding applications and workloads
  • Scalable architecture With support for a single installed processor, this AMD EPYC product offers a scalable solution that can grow with your computing needs

Our conclusion on the AMD Epyc 7742 vs AMD Ryzen Threadripper 3990X

Both the AMD Epyc 7742 and the AMD Ryzen Threadripper 3990X are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.

Either way, the AMD Epyc 7742 and the AMD Ryzen Threadripper 3990X are both excellent products that will more than do their job!