Radeon RX 6000 Big Navi reportedly features up to a staggering 2.4GHz clock speed

Written by Stuart Thomas on Mon, Oct 19, 2020 2:30 PM

We’re just over a week away from AMD’s official announcement of the Radeon RX 6000 GPU series, and excitement is brimming at the possibility of a proper Nvidia RTX 30 series competitor. As such, rumors have been flying high recently regarding the new graphics cards, including a new one that suggests the flagship Big Navi card will feature clock speeds up to 2.4GHz.

Obviously these are just rumors, so take them with a grain of salt, and as is usual with rumors that we’ve been reporting on lately, we’d like to take this time to have a general discussion about the implications of this could be, and whether it would be exciting to us if true.

First of all, before I move onto the actual clock speed rumors, it seems like AMD are planning to create 4 SKUs based on the Navi 21 GPU: the Navi 21 XT (also known as the Radeon RX 6900 XT), Navi 21 XL, Navi 21 XLE, and the Navi 21 XTX. These are pretty significant as it looks like they will each have different configurations.

What I mean by this is the Navi 21 XTX will reportedly be an AMD-exclusive card that will feature higher clock speeds (and most likely more expensive) along with other improvements, whilst the Navi 21 XL will be a slightly cut down version at a lower price point.

This is all the more exciting when you look at the rumored clock speeds of the Navi 21 XT, which will supposedly feature a base clock speed of 1450MHz to 1500MHz, a game clock speed of 2000MHz to 2100MHz, and a boost clock speed of 2200MHz to 2400MHz.

That’s crazy to think about when the Navi 21 XTX will allegedly feature even higher clock speeds. But either way, it's a pretty significant step towards high-end gaming, and whilst the base clock speeds aren’t that much impressive, it's the game and boost clock speeds that impress the most with a whopping 700MHz difference between the base and boost speeds.

The Navi 21 XL on the other hand will reportedly have a base clock speed of 1350MHz to 1400MHz, a game clock speed of 1800MHz to 1900MHz, and a boost clock of around 2100MHz to 2200MHz.

Here's a quick breakdown and comparison of that information:

  Navi 21 XT Navi 21 XL
Base clock (GHz) 1.45-1.5 1.35-1.4
Game clock (GHz) 2-2.1 1.8-1.9
Boost clock (GHz) 2.2-2.4 2.1-2.2

What’s also interesting here is that these may be the speeds of AIB models, as the reference design given to partners reportedly manages up to 2.3GHz clock speeds, and so the 2.4GHz reported was most likely using an overclocked graphics card.

The Navi 21 XTX, Navi 21 XT, and Navi 21 XL will all apparently feature the 16GB of GDDR6 memory that has been rumored before, and will also reportedly be around 255W to 290W depending on the card and manufacturer, but its still below the 300W mark at least unlike the RTX 30 series.

What do you think? Are you excited for the Radeon RX 6000 series? How do you feel about them if these clock speed rumors are true? What does this mean in terms of performance? Let us know your thoughts!

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00:22 Oct-21-2020

I know their drivers used to be a big deal, but every now and then my 5700xt just doesn't play how it should be. Temps are fine, drivers up to- date, etc. Somehow performances just gets lost lol. But I'll wait and see how it goes, Nvidia's 3070 GPU looking mighty nice.

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03:21 Oct-20-2020

I'm very glad to see that AMD's GPU team are also taking some cues from the CPU team and are competing full tilt with Nvidia. Hopefully this means more competitive prices across the board. An RDNA2 GPU will likely be in my rig when I finally upgrade (hopefully) around December or January. I've switched to Linux and being able to use the solid open source drivers is quite the bonus for me.

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16:40 Oct-19-2020

these speculations are 2 weeks old ......

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23:33 Oct-19-2020

The information is still useful

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15:04 Oct-19-2020

Ill get one and get those boost clocks on water, woohoo.

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15:02 Oct-19-2020

If they got a competitor for the rtx 3080, and THEY can actually ship units, I'm down. Sick of Nvidias BS at this point.

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14:35 Oct-19-2020

Clocks alone don't mean anything without the relative IPC improvements. It could have 0 IPC improvement but only the higher clocks, meaning the GPUs will be faster. Or imagine a 1GHz GPU, seemingly slow, but with a massive IPC jump - that can also be faster.
We'll see how it pans out when the cards come out and people can bench them properly. Until then - it's all a speculation and numbers that don't mean much yet (to me, anyway).

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14:38 Oct-19-2020

Sadly software bottlenecks wide GPU cores, AMD tried it with their VLIW(Terascale) architecture and then with GCN, hoping that software will catch up, but it didn't, both architectures ended up massively underutilized, especially Terascale.


So now they are going for tall performance gains since software is stagnant

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14:38 Oct-19-2020

Nvidia is going tall too, ever since Maxwell.

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15:21 Oct-19-2020

Nvidia has effectively doubled their core counts, how is that going tall?

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15:38 Oct-19-2020

They had to because of the terribly inefficient Samsung 8nm node compared to TSMC 7nm. The best way they had to outperform the previous gen was to go wild on the core count. Ampere is one of their worse architectures, it's basically just brute forced to the edge in order to compete.

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20:57 Oct-19-2020

@Tforulez
core count isn't going wide, big cores is going wide. And yeah they moved from 12/16/20nm to samsung's crappy 8/10nm, even though it's meh compared to tsmc's 7nm it's still tiny compared to TSMC's 12/16/20nm.

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07:55 Oct-20-2020

Tall, short, wide or thin, who cares there cards are king!

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19:23 Oct-20-2020

I hope so.

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15:17 Oct-19-2020

I think the assumption should be higher IPC as well as clocks, but how much of either is still left unknown. Rumors are fun, but don't help at all in the end really.

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