AMD Ryzen Threadripper 3990X 64 Core Monster Review

Introduction and Technical Specifications

AMD Ryzen Threadripper 3990X 64 Core Monster Review

Introduction

First and foremost, we hope that you are all keeping well and not suffering too much from the isolation that we have to do for the sake of humanity. These are very strange times for us all, but we're sure that it is during such situations that we remember the importance of us being one human race, regardless of borders or religions, and that we will all get through. Take care of yourselves and your loved ones, and in doing so you are taking care of others loved ones.

Meanwhile, back in the world of hardware, we've got our hands on the flagship model in the AMD Threadripper range, the behemoth that is the 64 core 3990X.

Computers are somewhat on a sliding scale. At one end, we have the supreme usability and dodgy performance of 'internet-ready PCs' as they used to be called. At the other end is the complexity and number crunching godliness of Supercomputers and things like the Pixar Renderfarm. Along that scale, we all find our own needs and wants. The more towards the right-hand side of the scale you go, the more specific the task you have to need to accomplish. So quad cores are fine for almost everyone, regular content creators might need 8 or 12 cores. If you spend the vast majority of your uptime rendering things, then even 24 or 32 core machines will be of a great benefit, albeit ones that start to lose some of the well-roundedness that computers are famous for.

At the end of the scale, the Ryzen Threadripper 3990X sits, you definitely are losing out on those low-core, high clock speed tasks, but in return, you're getting the most powerful desktop solution for rendering things as quickly as possible. If you've ever encoded a 4K video of your gaming exploits or family talents, you'll understand how long it can take on even fairly powerful setups, and rendering 3D images is so time-consuming that doing it at home requires a full-time commitment. With 64 cores and 128 threads on hand, the Ryzen Threadripper 3990X should significantly reduce your waiting time. So let's find out how well it performs in our usual suite of tests.

Technical Specifications

In a lot of ways, the 3990X is like the 3970X we reviewed earlier this year, except it has twice the cores yet still on the same size die. It's an incredible feat of engineering. For those of us, such as your writer here, who cut their teeth on 386SX processors and their 16MHz clock speed on a single core, the idea of 64 cores deep into the 3GHz bracket seems the stuff of science fiction.

AMD Ryzen Threadripper 3990X 64 Core Monster Review  

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Most Recent Comments

16-04-2020, 11:02:27

AlienALX
Ooo you got one?

Manners AMD, manners !Quote

18-04-2020, 18:59:16

Diablo
Excellent review TTL!

I can't get quite the same peaks on PBO in cinebench R20 (stuck at ~28K), but it chews renders, VMs, and anything else I can throw at it.

I find I am hitting current / power limits before I hit the heat limit when I OC. I can get 4.2 all core at 1.38V, and can hit 600W+ on the CPU (according to AIDA), but if I hit it with a prime load, despite the temps being below 95C, it will hit OCP limits. Does the Alpha have a higher than 200% power limit over the Z2E?

Getting the heat out of this chip is nearly impossible, I'm running a quad + single 120mm (so 5 x 120mm) just for the CPU loop, and an EK waterblock for the threadripper chip (needs to be a big cold plate), and even so I see delta T (above the coolant) of 70C. Reminds me of the pentium 4 days (except this time with the performance to match!)Quote

30-04-2020, 05:45:37

Luxspew
I was not planning on getting one at all but I did get one because there was a silly deal going on so I jumped on it and got one! now I need to build the rest of the PC...

Feel free to post more about this beast! personally I am more curious about the Ram and the different speeds they say these boards can handle. Aside from the limits of Windows, it says it handles 3200Mhz ram. I even seen a few charts showing if I got 3800mhz ram it does better too but only if you OC the processor etc.... but then you see things like "only supports 256gbs of 2666mhz ram... or 3200mhz of 128gbz both in quad channel configurations" for the best results.

But it is $400 USD cheaper to buy the 2666Mhz kit over the 3200 kit if ill never be able to use the full 3200mhz.. Obviously the best way to test is to render massive 4-8k files that needs all the ram only can give.. *edit* but the loose timings and CPU clock speeds with the frequency on the ram speeds is suppose to change how things work for performance.

Also the m.2 4.0 speed tests... Lots of things I will be testing myself once I get mine up and running!Quote

30-04-2020, 06:17:43

WYP
Quote:
Originally Posted by Luxspew View Post
I was not planning on getting one at all but I did get one because there was a silly deal going on so I jumped on it and got one! now I need to build the rest of the PC...

Feel free to post more about this beast! personally I am more curious about the Ram and the different speeds they say these boards can handle. Aside from the limits of Windows, it says it handles 3200Mhz ram. I even seen a few charts showing if I got 3800mhz ram it does better too but only if you OC the processor etc.... but then you see things like "only supports 256gbs of 2666mhz ram... or 3200mhz of 128gbz both in quad channel configurations" for the best results.

But it is $400 USD cheaper to buy the 2666Mhz kit over the 3200 kit if ill never be able to use the full 3200mhz.. Obviously the best way to test is to render massive 4-8k files that needs all the ram only can give.. *edit* but the loose timings and CPU clock speeds with the frequency on the ram speeds is suppose to change how things work for performance.

Also the m.2 4.0 speed tests... Lots of things I will be testing myself once I get mine up and running!
That sounds very interesting. I would love to read about your findings.Quote
Reply
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