Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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HurleyBird

Platinum Member
Apr 22, 2003
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Interesting! Why would Strix Halo win all bandwidth bound tasks.

It should have around 3x the bandwidth.

Also, where have you found that Strix Halo is 8 Zen5 + 8 Zen5C, and not 16 Zen5?

That's an assumption, but probably a safe one. Strix Point is 4+8, so 8+8 makes sense for Halo. 16+0 would be a waste of power and die space. But, bear in mind AMD traditionally sacrifices a lot of stuff on the alter of getting parts ready sooner.

Finally, where have you found that Strix Halo will not be a mololithic die?

I said the opposite, but what I should have said was "not using the same ghetto/non-advanced packaging solution as desktop." Some form of advanced packaging makes sense.
 
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Fjodor2001

Diamond Member
Feb 6, 2010
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Just FYI but Strix Halo isn't monolithic. It's using chiplets + advanced packaging (akin to Navi 31 or MI300 or future Zen 6).
Yeah, you’re right. Forgot about that. So perhaps the idle power consumption will be a bit higher compared to if a monolithic die would be used, but are there any other pros/cons with that affecting the comparison wih 9950X?
 
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deasd

Senior member
Dec 31, 2013
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Press Release


MSI is here to announce the latest AGESA ComboPI 1.1.7.0 Patch A BIOS update for AM5 next gen CPU support on X670E, X670, B650, A620 motherboards. Users would simply need to update the BIOS to the latest version accordingly. MSI will continue to update the latest news for our users. Please follow MSI's official channels and check the product pages for the latest BIOS updates to guarantee optimal experience, heightened performance, and enhanced stability.

"5"

 

Ajay

Lifer
Jan 8, 2001
15,565
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Press Release




"5"

View attachment 97149
Well, this sort of information seems indicative of an actual release s paper release.
 

FlameTail

Platinum Member
Dec 15, 2021
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Two questions:

1. What price range of laptops will Strix Point be found in? Adroc has mentioned Strix is not a mainstream, but a premium part. What does that mean? >$1000? >$1500?

2. What is the maximum RAM capacity supported by Strix Halo's 256 bit bus?
 

Ghostsonplanets

Senior member
Mar 1, 2024
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Two questions:

1. What price range of laptops will Strix Point be found in? Adroc has mentioned Strix is not a mainstream, but a premium part. What does that mean? >$1000? >$1500?

2. What is the maximum RAM capacity supported by Strix Halo's 256 bit bus?
1 - >$1200 seems like the minimum for premium laptops in US nowadays.

2 - LPDDR5X 8533. Strix Halo supports LPDDR5X only.
 

Ghostsonplanets

Senior member
Mar 1, 2024
387
659
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He asked what is the maximum capacity for Strix Halo on 256 bit bus.

NOT WHAT WE ARE GETTING.

Hence why I said to him the maximum density manufactured at the time.

Samsung has 144Gb 8533X 64-bit memory available. So that's 72 GB RAM for a 256-bit bus.

The newly announced Samsung LPDDR5X-10700 memory doubles the maximum RAM capacity per package. That means 256 GB RAM on a 256 bit bus.
OEMs could use this new memory and downclock it, sure. Does it need some customization on the memory controller though? Specially given speeds above 8533 aren't JEDEC sanctioned.

Edit:

Mass production of the 10.7Gbps LPDDR5X is scheduled to begin by the second half of the year, following verification with mobile application processor (AP) and mobile device providers.

It depends on the level of validation. If it needs to memory controller to be robust enough to withstand such speeds, it would be too late for STX Halo.

The improvements in LPDDR5 and LPDDR6 scene are certainly exciting to follow.
 

FlameTail

Platinum Member
Dec 15, 2021
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OEMs could use this new memory and downclock it
I dont see the benefit in doing that.
Does it need some customization on the memory controller though? Specially given speeds above 8533 aren't JEDEC sanctioned.
Maybe for next LPDDR6, JEDEC shouldn't put a max speed limit for LPDDR standard. It's useless, becuase the memory makers keep surpassing it. First Micron/SK Hynix did it with LPDDR5T-9600/LPDDR5X-9600, and now Samsung does it with LPDDR5X-10700
It depends on the level of validation. If it needs to memory controller to be robust enough to withstand such speeds, it would be too late for STX Halo.
No way Strix Halo is going to have this LPDDR5X-10700. Mass production only starts in 2024H2, and who knows when it's shipping?
 

Fjodor2001

Diamond Member
Feb 6, 2010
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1. What price range of laptops will Strix Point be found in? Adroc has mentioned Strix is not a mainstream, but a premium part. What does that mean? >$1000? >$1500?
If 9950X is supposed to be $999 for 16C Zen5, and Strix Halo also has 16C Zen5 but in addition 40-50 TOPS NPU + 40 CU RDNA 3.5 + 3x memory bandwidth + advanced packaging, then Strix Halo should be quite a lot more expensive.

So the Strix Halo CPU alone ought to be between perhaps $1200-1500. Then the cost of everything else that the laptop consists of must be added on top of that (display, SSD, RAM , keyboard, battery, ...). Adding all of this up means Strix Halo based laptops should be really expensive.
 
Reactions: FlameTail

Ghostsonplanets

Senior member
Mar 1, 2024
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I dont see the benefit in doing that.
Higher density per DRAM package.
Maybe for next LPDDR6, JEDEC shouldn't put a max speed limit for LPDDR standard. It's useless, becuase the memory makers keep surpassing it. First Micron/SK Hynix did it with LPDDR5T-9600/LPDDR5X-9600, and now Samsung does it with LPDDR5X-10700
Neither Intel nor AMD support anything out of JEDEC standard on Mobile. Maybe this will have to chamge in the next product cycle, but current (this year) designs are locked at 8533X.
No way Strix Halo is going to have this LPDDR5X-10700. Mass production only starts in 2024H2, and who knows when it's shipping?
Agreed. But if mass production is starting on 24H2, then premium mobile will be using early next year.
 

Ghostsonplanets

Senior member
Mar 1, 2024
387
659
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If 9950X is supposed to be $999 for 16C Zen5, and Strix Halo also has 16C Zen5 but in addition 40-50 TOPS NPU + 40 CU RDNA 3.5 + 3x memory bandwidth + advanced packaging, then Strix Halo should be quite a lot more expensive.

So the Strix Halo CPU alone ought to be between perhaps $1200-1500. Then the cost of everything else that the laptop consists of must be added on top of that (display, SSD, RAM , keyboard, battery, ...). Adding all of this up means Strix Halo based laptops should be really expensive.
Yes, it will be expensive. It's basically a Gaming Laptop/Desktop Replacement SoC. Not different from what PS5 or XSX does (Big APUs).
 

yuri69

Senior member
Jul 16, 2013
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Judging by the usual AMD mobile market performance, there are going to be 1-2 "exclusive" (think overpriced weird) laptop models featuring Strix Halo.

However, it is great it is still on the roadmap and it might see the light of day.
 
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