How AMD is Fighting NVIDIA with RDNA3 - Chiplet Engineering Explained

We're talking with one of AMD's leading engineers (Sam Naffziger) about RDNA3 GPU design and challenges with going to chiplets for a GPU. We only had about 15 minutes to cover the highlights, so we focused mostly on the differences between chiplets on Zen CPUs and RDNA3 GPUs. This gives a unique insight into the architecture of AMD's next attempt at another "Zen moment," this time with its graphics division.



TIMESTAMPS

00:00 - Learning About AMD RDNA3 GPUs
01:48 - AMD Zen to AMD RDNA
06:45 - Chiplets Changed AMD
10:54 - GPU vs. CPU Design Requirements
12:04 - Microscope Shot of RDNA3
13:05 - Fanout Routing
14:15 - Maximizing the Die Area

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Host: Steve Burke
Camera, Video Editing: Andrew Coleman
Guest: Sam Naffziger

[TheGamerUnknown]

I'm loving these engineer discussions. Plenty of people cover the consumer-facing side of hardware, but it's so cool to see what goes into them behind the scenes. Really makes you appreciate all the hard work that goes into our FPS!

[XxshadowmanxX]

It's very special when you get 15 minutes from someone like this! Look up his resume to realize he holds over 130 patents, and is the main designer behind many innovations in the computing space. Thanks GN for giving us some time with the man behind it all.

[ryanbernard]

Man Sam is just an amazing presenter and engineer. He really does a fantastic job of getting the point across in layman's terms.

[bayanzabihiyan]

The amount of PR training that these guys go though is insane. Engineers such as him know very well what RDNA4 is going to look like and possibly even RDNA5, but to make sure one only speaks in "released product" terms takes a lot of holding back.

[dantostudio]

I love when we get direct talks from the engineers! Thanks GN for the coverage as well as for all of your other informative and deep, "engineering"-focused reviews! Hope you can make more videos and insightful reviews of PC components and products for years to come!

[CODandponies]

every time I learn more about CPUs I'm amazed that computers work at all. Just the sheer amount of tech in this chip that fits in the palm of a hand and we make like thousands every day.

[kidman]

This is what our investment into this channel gets us. These interviews are great, Steve has developed some great interviewing skills and Sam himself presents his great knowledge in an equally talented way. Between the both of you, this was a fantastic interview. Great watch 8)

[xordid]

Sam making the chiplet approach seem like an absolute no brainer in only 15 minutes. So awesome

[petertadj]

so you're telling me the only reason why we don't have a 4 core 13900k right now is because of this amazing man right here... Sam is truly an incredible down to earth engineer. I'm super in debt to you

[butterworthfilter]

With Nvidia's insane pricing this is gonna be my first AMD card

[mauricio]

When AMD was presenting RDNA 3 you could hear in his voice, though calm and soft, how excited he was with what they were coming up, like he was really trying to convey how cool all this new approach actually is. Too bad the audience seemed to have missed that, or at least that's how it looked like from the Youtube stream.

[klbk]

What I love this channel for is the actual little to no editing with that kind of stuff. Your videos guys are just authentic. It's not easy to pull off, in my opinion, so big respect from me.

[sojirou]

Top tier content as usual from GN! Always interesting to learn about the design challenges that the engineers face and how they overcome them with innovative solutions.

[kelownatechkid]

This is exactly what I was hoping to see more of. Thank you to Sam from AMD for the presentation, as well as the GN team for this continued emphasis on the work that goes into the products.

[Javiermn]

I hope he realizes how much we appreciate him taking the time to do this. This was AWESOME!

[rdb]

You can see that Sam's clearly passionate about this and knows a lot a lot about chipset design. He's truly a remarkable person and I loved seeing an in-depth yet simple interview with him. Hope to see more content like this!

[Neeb]

Man, that vastly simplified, imagine just how complex these devices really are! I mean I've been in IT for 30 years, and I am always just amazed at how they design any kind of silicon (or plastic now) lol Great content, thanks. =)

[alias]

Nothing more beautiful than engineer to tell you how things works and what they did, not to send some marketing waxed boy to tell you basic things and that's about it.. I love things like this, community is really interested in a knowledge which this gentleman and other engineers have, this is the best way to see how much people respect their work, passion and intelligence which they have.

[jegermajster]

I will be brutally honest with you, guys. This is one of the best videos to ever land on Gamers Nexus YT channel. Kudos to you for getting an idea to put an AMD engineer in front of the camera and ask him about the "kitchen". And kudos to Sam, who has a rare talent of being able to explain complex issues in a way that is totally digestible to an average PC hardware fan. Amazing stuff, guys!

[erictayet]

Sam is absolutely right about engineers wanting to work on the cutting edge. Back when I was a product engineer for a Telco equipment company, I was excited to work on the IP over wireless tech. You guys know it as WiFi. But the other part of my work was dealing with PSTN, which is fixed telephone lines carrying 56k modem stuff.