*** AMD "Navi 3X" (RDNA 3 discussion thread) ***

[ade64]

all that cache sounds rather expensive don't expect much of it on low tier cards imho

 

[g67575]

Not sure I believe most of the lineup will be MCM, or even any of it.

How does it help to produce graphics cards with multiple dies on a PCB, when most of us struggle to afford a graphics card with a single die, these days?

If it ends of being true, MCM cards could easily have 2x the price of current graphics cards. Only people interested in these will be those buying cards like the RTX 3090.

The main question that needs to be answered is, will the lineup utilize 5nm or 6nm? Weird hybrid doesn't seem plausible.

Thoughts - A single chip architectural improvement would probably be better... Not just RDNA2 x2.

 

[FredFlint]

Not sure I believe most of the lineup will be MCM, or even any of it.

How does it help to produce graphics cards with multiple dies on a PCB, when most of us struggle to afford a graphics card with a single die, these days?

If it ends of being true, MCM cards could easily have 2x the price of current graphics cards. Only people interested in these will be those buying cards like the RTX 3090.

The main question that needs to be answered is, will the lineup utilize 5nm or 6nm? Weird hybrid doesn't seem plausible.

Thoughts - A single chip architectural improvement would probably be better... Not just RDNA2 x2.

Its cheaper to make 3 small chips than 1 massive chip so overall the end product cost less. Mixing nodes also reduces the cost as not all the chiplets need to be on the most expressive node, its the same with Ryzon CPU's.

 

[g67575]

couldn't MCM cards be used to do simpler tasks like GPU mining? I think that is more likely, given the MCM developments in compute tasks.

 

[Poneros]

That MCM monster is not going to start at a cent less than $2000, and even that might be just the fake MSRP.

 

[4K8KW10]

slower clock speeds. Would have expected them to be faster.

Higher clocks destabilise the sweet spot power efficiency metric and curve. You look at the fresh example of the terribly overclocked RX 6500 XT.

Just give us a rest already and clock the cards conservatively.

Everyone knows how to overclock manually..

 

[ShiWarrior]

im keeping my 5700 XT until these come out and at a reasonable price

 

[NinjaCool]

AMD RDNA3 confirmed to be a hybrid of 5nm and 6nm nodes
https://videocardz.com/newz/amd-eng...7000-rdna3-navi-3x-gpus-use-5nm-and-6nm-nodes

Both Navi 31 and Navi 32 will utilize 6nm and 5nm nodes, while Navi 33 is 6nm. This confirms previous rumors that Navi 33 will be the only monolithic GPU in the series.

 

[g67575]

Interesting, it will be a shame if 5nm dies are reserved for only the high end models though.

 

[4K8KW10]

Speculations on the specifications:


AMD RDNA 3 GPUs For Radeon RX 7000 Graphics Cards Confirmed To Feature 5nm & 6nm Process In MCM & Monolithic Designs (wccftech.com)

 

[4K8KW10]

Greymon leak:

first RDNA3 GPU to be available will be Navi33, the 7600XT. It's a monolithic 6nm GPU and it's on par or slightly faster than the 6900XT

https://www.hardwaretimes.com/amd-r...ill-be-the-first-rx-7000-gpu-to-launch-rumor/

Probably fake news. #fakenews

Why?
Because the N7 Navi 23 is 237 sq. mm with 11.06 B transistors. 46.66 MTransistors/sq.mm.
On the other hand, the N6 Navi 24 is 107 sq. mm with 5.4 B transistors. 50.46 MTransistors/sq.mm.

So, actually, the N6 is a slightly improved process.

How will they increase the performance of Navi 33 over Navi 23 with over 80% if they don't make the die prohibitively large for this tier - over 400 sq. mm?


AMD Radeon RX 6600 XT Specs | TechPowerUp GPU Database