Discussion Speculation: Zen 4 (EPYC 4 "Genoa", Ryzen 7000, etc.)

[Vattila]

Except for the details about the improvements in the microarchitecture, we now know pretty well what to expect with Zen 3.

The leaked presentation by AMD Senior Manager Martin Hilgeman shows that EPYC 3 "Milan" will, as promised and expected, reuse the current platform (SP3), and the system architecture and packaging looks to be the same, with the same 9-die chiplet design and the same maximum core and thread-count (no SMT-4, contrary to rumour). The biggest change revealed so far is the enlargement of the compute complex from 4 cores to 8 cores, all sharing a larger L3 cache ("32+ MB", likely to double to 64 MB, I think).

Hilgeman's slides did also show that EPYC 4 "Genoa" is in the definition phase (or was at the time of the presentation in September, at least), and will come with a new platform (SP5), with new memory support (likely DDR5).

What else do you think we will see with Zen 4? PCI-Express 5 support? Increased core-count? 4-way SMT? New packaging (interposer, 2.5D, 3D)? Integrated memory on package (HBM)?

Vote in the poll and share your thoughts!

 

[JustViewing]

New SOG for Zen4 available now. I still haven't gone through it yet.
Zen4 SOG

 

[JustViewing]

New SOG for Zen4 available now. I still haven't gone through it yet.
Zen4 SOG

Now the dispatch and becomes the bottle neck.

 

[Timmah!]

A while back in the thread, @Timmah! and I discussed the labelling design for the Ryzen processors (see post #7386).

Spoiler: My proposed design

Did AMD listen?

View attachment 74329

In the latest design, seen in 7950X3D, note that they have made the font for "RYZEN" taller (also, the stroke width is reduced and corrected, for a lighter look and a more balanced "Y" in particular, which looked somewhat puny and out-of-place before). For the full product name, they have condensed the font and made the word spacing wider. For the product details, they now use a nicer condensed font. They have dropped "DIFFUSED IN TAIWAN" altogether, for less clutter. And the whole thing is nicer aligned.

We did it, dude! If they listen now, i am starting 24C Zen4 thread! :-D

 

[Ajay]

Now the dispatch and becomes the bottle neck.

View attachment 74357View attachment 74360

Potentially. One would have to run code profiles against it to know for sure for a given workload.

 

[BorisTheBlade82]

Now the dispatch and becomes the bottle neck.

View attachment 74357View attachment 74360

You'd need to take the average op-cache miss-rate into account in order to make that assumption. Almost everything can become a bottleneck on a CPU with the right (or wrong) workload.

 

[lopri]

RGB Wraith Spire is hard to come by, eh

 

[Markfw]

RGB Wraith Spire is hard to come by, eh

Right here it is: https://www.amd.com/en/direct-buy/5578887700/us

 

[JustViewing]

Potentially. One would have to run code profiles against it to know for sure for a given workload.

You'd need to take the average op-cache miss-rate into account in order to make that assumption. Almost everything can become a bottleneck on a CPU with the right (or wrong) workload.

What I was trying to say was, 4 wide decode will not be a bottle neck as Zen4 has large(6.75 K Ops) 9 issue OP-cache.

 

[biostud]

Launch day of 3D cache models to be Valentines day:

AMD Ryzen 7000X3D series to launch on Valentine's Day - VideoCardz.com

Update AMD has now confirmed that Ryzen 7000X3D launch date is not February 14. The company claims it was a mistake. More here. AMD Ryzen 7950X3D, 7900X3D and 7800X3D launch on February 14 The CPU maker confirms the launch date for their 3D V-Cache Zen4 CPUs. AMD Ryzen 7000X3D now have a release...

videocardz.com

 

[Saylick]

Launch day of 3D cache models to be Valentines day:

AMD Ryzen 7000X3D series to launch on Valentine's Day - VideoCardz.com

Update AMD has now confirmed that Ryzen 7000X3D launch date is not February 14. The company claims it was a mistake. More here. AMD Ryzen 7950X3D, 7900X3D and 7800X3D launch on February 14 The CPU maker confirms the launch date for their 3D V-Cache Zen4 CPUs. AMD Ryzen 7000X3D now have a release...

videocardz.com

V-cache on V-day? Nice.

 

[In2Photos]

Launch day of 3D cache models to be Valentines day:

AMD Ryzen 7000X3D series to launch on Valentine's Day - VideoCardz.com

Update AMD has now confirmed that Ryzen 7000X3D launch date is not February 14. The company claims it was a mistake. More here. AMD Ryzen 7950X3D, 7900X3D and 7800X3D launch on February 14 The CPU maker confirms the launch date for their 3D V-Cache Zen4 CPUs. AMD Ryzen 7000X3D now have a release...

videocardz.com

Looks like I know what I'll be getting for my birthday later in the month!

 

[Markfw]

Looks like I know what I'll be getting for my birthday later in the month!

I got Disneyland and then a 4090 in the queue. After that, a 7950x3d is in my queue. I can already get ONE 4090 card for $1710, so they will be reasonable shortly.

 

[poke01]

I got Disneyland and then a 4090 in the queue. After that, a 7950x3d is in my queue. I can already get ONE 4090 card for $1710, so they will be reasonable shortly.

You gotta show a picture of your Zen 4 PC's when you get your Zen4 x3D. You probably have warehouses full of CPUs

 

[Markfw]

You gotta show a picture of your Zen 4 PC's when you get your Zen4 x3D. You probably have warehouses full of CPUs

NO, JUST 20. aND 3 OF THEM ARE 7950X, AND PICS ARE ON THE zEN 4 BUILDERS THREAD.

damn caps/.

 

[Harry_Wild]

The AMD non X has been delay at retail!😱

 

[Hitman928]

The AMD non K has been delay at retail!😱

All AMD CPUs are non-K

If you mean non-X, then I think either you have a bad source or are just trying to troll. . .

https://www.amazon.com/dp/B0BMQK718H?tag=bgfg-wepc-us-20&geniuslink=true

AMD Ryzen 9 7900 3.7 GHz 12-Core AM5 Processor

Buy AMD Ryzen 9 7900 3.7 GHz 12-Core AM5 Processor featuring 12 Cores & 24 Threads, 3.7 GHz Base Clock, 5.4 GHz Max Boost Clock, Socket AM5, 12MB L2 & 64MB L3 Cache, Integrated AMD Radeon Graphics, DDR5-5200 Memory, Unlocked Processor, Includes Wraith Prism Cooler, Zen 4 Architecture. Review AMD...

www.bhphotovideo.com

Are you a human?

www.newegg.com

 

[Harry_Wild]

For general purposes - usage! Might buy the 7900? Faster startup!

Will, maybe 7600?

 

[poke01]

NO, JUST 20. aND 3 OF THEM ARE 7950X, AND PICS ARE ON THE zEN 4 BUILDERS THREAD.

damn caps/.

nice. gonna check it out.

 

[biostud]

Launch day of 3D cache models to be Valentines day:

AMD Ryzen 7000X3D series to launch on Valentine's Day - VideoCardz.com

Update AMD has now confirmed that Ryzen 7000X3D launch date is not February 14. The company claims it was a mistake. More here. AMD Ryzen 7950X3D, 7900X3D and 7800X3D launch on February 14 The CPU maker confirms the launch date for their 3D V-Cache Zen4 CPUs. AMD Ryzen 7000X3D now have a release...

videocardz.com

Meh

AMD on 7000 X3D Launch date leak: "As you know, today http://AMD.com briefly published a launch date for the Ryzen7000X3D Desktop CPUs, however, that date is incorrect."

https://twitter.com/x/status/1613376010078294016

 

[Det0x]

View attachment 74451
For general purposes - usage! Might buy the 7900? Faster startup!

Will, maybe 7600?

I need to update my runs with a Zen4 score, but looking back at my Zen3 numbers i cant really find those benchmarks on the chart from THG.

I scored 9 589 in PCMark 10

AMD Ryzen 9 5950X, NVIDIA GeForce RTX 3090 x 1, 32768 MB, 64-bit Windows 11}

www.3dmark.com

Are "Application startup" = "APPS Score" on the 3dmark result page ?
And "Microsoft Edge" = "Web Score" ?

 

[lopri]

Right here it is: https://www.amd.com/en/direct-buy/5578887700/us

$45 they gotta be kidding me

wait, I meant Wraith Spire. RGB

 

[Markfw]

$45 they gotta be kidding me

wait, I meant Wraith Spire. RGB

is spire better than prism ?

Edit: I just looked. The prism has the heat pipes and is WAY better than the prism. $45 is not outrageous.

Edit 2: but for $41.30, this would be way better for cooling https://www.newegg.com/p/0VE-01P6-00019?Item=9SIBFKMJ6M4974

 

[Kaluan]

Gigabyte EEC filings for A620 boards, A620 soon?

https://twitter.com/x/status/1613805358669234178

 

[Shivansps]

And for what cpu those A620 are launching for? the 7600 non-x?

 

[nicalandia]

It's a pretty safe bet that Zen43DX will trash the 13900KS and the prices will reflect a premium for that