AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 10

AMD Ryzen Threadripper 3990X – A Freaking 64 Core Desktop Processor

Just recently AMD announced the Ryzen Threadripper 3990X, which is the World’s First 64 Core Desktop processor, if it is defined in simple ways it is just an Epyc 7742, but with some cut downs here and there

But the most confusing thing for me is why, Why AMD realized this CPU Now, I mean even the Threadripper 3970X doesn’t have any competition, so why AMD released the 3990X, the most probable explanation would be to just look down on Intel
Like literally there is not a single Area where the intel is winning as of now
They first lost the Consumer desktop Market to The Zen 2 Ryzen processor
Then the HEDT to the Zen 2 Threadripper
Then the Mobile CPU to the Zen 3 Renoir
So I don’t understand why they launched 3990X……

AMD Ryzen Threadripper 3990X General Specs

The Threadipper 3990X is 64Core 128 Thread Processor with a base clock of 2.9GHz and a boost clock os 4.3GHz, a max memory frequency of 3200MHz, 4 Memory channels and max memory capacity of 1TB, having 256MB L3 Cache, 88 PCIe Gen4 lanes and a TDp of 280Watts

Specification table + Comparison

Let’s start with a Specification table and Comparison with Epyc 7742 and Threadripper 3970X, the Threadripper 3990X is clearly much ahead of the 3970x and very close to the Epyc 7742

Specification AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 11AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 11AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 13
ProcessorThreadripper 3970X Threadripper 3990X Epyc 7742
Cores/Threads32/6464/12864/128
Clock Speed
(Base/Boost)
3.7GHz/4.5GHz2.9GHz/4.3GHz2.25GHz/3.4GHz
Total L3 Cache128MB256MB256MB
Memory Support(Frequency) 3200MHz 3200MHz 3200MHz
Memory Channels448
Max Memory Supported(Practical)512GB1TB2TB
PCIe Version SupportedVersion 4.0 Version 4.0 Version 4.0
PCIe Lanes64 Gen488 Gen4128 Gen4
TDP280W280W225W
Price~2000USD~4000USD~7000USD

Specification Details
https://www.amd.com/en/products/cpu/amd-ryzen-threadripper-3970x
https://www.amd.com/en/products/cpu/amd-ryzen-threadripper-3990x
https://www.amd.com/en/products/cpu/amd-epyc-7742

So You Can See the Threadripper 3990X has the same number of Cores/Threads and Same amount of L3 cache, like that of the Epyc 7742, with the Epyc 7742 having more Memory supported and More PCIe lanes and a low TDP

Performance benchmarks

Even Though the Threadripper 3990X is a desktop processor, there was no other Intel desktop processor which was coming close to it, so we compared it with Xeon W-3275 and the results were amazing

Cinebench R20

First will be the most common benchmark the Cinebench R20

In Cinebench R20, the Threadripper 3990X is much ahead of the competition, performing even better than the Epyc 7742, well due to the fact that Epyc 7742 is not made for this kind of workload, but still, its score is almost double fo Xeon W-3275 and 3 Times of the 10980XE, and the interesting part is that the Xeon W-3275 is much Costlier as compared to the 3990X

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 14

Geekbench 5.1

In Geekbench we can see the same result as that in Cinebench

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 15

Blender BMW Rendering

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 16

ImageMagick Compile

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 17

Linux Kernel

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 18

Ray Tracing C-Ray

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 19

V-Ray CPU render

AMD Ryzen Threadripper 3990X - A Freaking 64 Core Desktop Processor 20

It Can Be Seen From the Above benchmarks that 3990X is way ahead of Any other CPU, but hey it can’t be great at everything it also has some shortcoming’s

Threadripper 3990X Theoretically can have Upto 2TB of RAM, but practically it is only possible up to 1TB of Load-Reduced, 512GB of Registered and 256GB of unbuffered RAM, and when compared to the Xeon W-3275 which supports up to 1TB of Unbuffered RAM, Which can be better in some of the industry-based application, as some of them are more depended on memory than on RAW CPU performance, Also it may be noted that 256GB is Standard for 4K Video rendering, But all this can be updated by a simple BIOS Update

Also Due to the fact that it has 64 Core most of the application cant use it to its max potential because they simply are not designed to use that many core and threads, resulting in a lower performance than even 3970X

Who Should Buy it

So Who Should Buy it, it is for those who want this kind of CPU performance but are not much depended on memory, like Rendering application user, compilers, small VFX studios, small Animation Studios and so on

Also For those who are comfortable with reduced PCIe Lanes and less Memory but wants the CPU performance of EPYC-7742, this CPU would the best option for them

Like the Above Example, They were able to render this type of animation with the AMD Threadripper 3990X

So It basically comes down to one thing whether you want the CPU performance or the higher memory capacity

7 thoughts on “AMD Ryzen Threadripper 3990X – A Freaking 64 Core Desktop Processor

  1. Hello
    I have a question about this line:
    “Threadripper 3990X Theoretically can have Upto 2TB of RAM, but practically it is only possible up to 1TB of Load-Reduced, 512GB of Registered and 256GB of unbuffered RAM, and when compared to the Xeon W-3275 which supports up to 1TB of Unbuffered RAM, Which can be better in some of the industry-based application, as some of them are more depended on memory than on RAW CPU performance, Also it may be noted that 256GB is Standard for 4K Video rendering, But all this can be updated by a simple BIOS Update”
    I try to find any info on how to use more than 256GB RAM on consumer MB like ASUS TRX40 STRIX,
    Asus claims it supports only 256GB.
    So maybe you can help me with this trouble? Which model of the motherboard can work with at least 64GB modules? I’ve be very grateful for any help!

    1. Yes, it’s true that “Threadripper 3990X Theoretically can have Upto 2TB of RAM, but practically it is only possible up to 1TB of Load-Reduced, 512GB of Registered and 256GB of unbuffered RAM”, but 256GB is the limit for almost all the MB out there which supports(TRX40) Threadripper, the main reason for this is that if AMD gives the option for more than 256GB ie, 512GB or 1TB RAM then it will hurt their Epyc series sales.
      It all comes down to one thing weather you want more CPU performance or More Memory, at the price point.

      For 64GB modules, you should find the MB’s which are used for Xeon and Epyc series processors.

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