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[AnandTech] SK Hynix: Up to DDR5-8400 at 1.1 Volts

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post #11 of 114 (permalink) Old 04-04-2020, 11:18 AM
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Quote: Originally Posted by epic1337 View Post
DDR5 looking more promising, hopefully enabling ECC and ECS for consumer sticks by default as well.
The article makes it sound like both are baked into the spec.
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post #12 of 114 (permalink) Old 04-05-2020, 02:37 AM
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Quote: Originally Posted by mothergoose729 View Post
The article makes it sound like both are baked into the spec.
DDR5 RAM will have ECC and ECS built in. For servers the high bandwith and lower operating voltage will make a huge difference, it will save enormous amounts of power in server farms.

But watch Intel come up with a way to segment the market anyway and enable ECC only in their Xeon chips.

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post #13 of 114 (permalink) Old 04-05-2020, 12:41 PM
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Awesome. Finally new memory worth waiting for.. has the standard been published yet? I've heard whispers of onboard vrm for high end parts.

Quote: Originally Posted by mAs81 View Post
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post #14 of 114 (permalink) Old 04-05-2020, 01:39 PM
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A humble bandwidth reminder.
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post #15 of 114 (permalink) Old 04-05-2020, 01:45 PM
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Quote: Originally Posted by EastCoast View Post




A humble bandwidth reminder.
Is the Xbox System X system memory divided into separate buses so that 6 GiB is dedicated to the CPU and 10 GiB dedicated to the GPU? I mean divided in the sense that memory bandwidth is not shared between the GPU and CPU and the GPU and CPU can be reading/writing separately to the memory pools simultaneously.
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post #16 of 114 (permalink) Old 04-05-2020, 02:28 PM
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Quote: Originally Posted by ThrashZone View Post
Hi,
Unless they can do it on quad channel
why u acting like thatd be hard? ddr 8400 is only 4200mhz, ddr6400 is 3200mhz. this is a next generation memory product. maybe even the generation after that.

(If y'all) ain’t ready for the old murder, then what you gonna do with the new me?
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post #17 of 114 (permalink) Old 04-05-2020, 02:33 PM
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ECC on everything would be excellent. Just gotta convince AMD, Intel, and the motherboard partners that it would be good for them...

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post #18 of 114 (permalink) Old 04-06-2020, 12:46 AM
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Quote: Originally Posted by m4fox90 View Post
ECC on everything would be excellent. Just gotta convince AMD, Intel, and the motherboard partners that it would be good for them...
The only consumer AMD chips that haven't had ECC enabled were the FMx parts, my decade old 955BE runs ECC RAM in my server. Intel are the ones who segment the market and force people wanting ECC to get Xeon chips.

Board makers are annoying when it comes to ECC. Usually I buy Asus as Asus boards are compatible with ECC, whereas MSI, Gigabyte and others intentionally disable it. You can check this yourself and compare Asus low end TUF boards with the Carbon AC line and see that even Asus' rubbish boards are compatible with ECC, whereas MSI's high end ones are not.

https://www.anandtech.com/show/13091...otherboards/16

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The MSI B450I Gaming Plus AC has support for both non-ECC and ECC DDR4 memory, although installed ECC memory will operate in non-ECC mode.
A small list of Asus boards that support ECC:
https://rog.asus.com/forum/showthrea...n-(ECC-Enabled)

With support I mean have bit checking and correction enabled and working.

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Last edited by Liranan; 04-06-2020 at 12:53 AM.
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post #19 of 114 (permalink) Old 04-06-2020, 03:19 AM
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Quote: Originally Posted by 8051 View Post
Is the Xbox System X system memory divided into separate buses so that 6 GiB is dedicated to the CPU and 10 GiB dedicated to the GPU? I mean divided in the sense that memory bandwidth is not shared between the GPU and CPU and the GPU and CPU can be reading/writing separately to the memory pools simultaneously.
No, it's still unified memory but developers have the ability to choose what data goes to which memory pool.
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post #20 of 114 (permalink) Old 04-06-2020, 08:54 AM
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Quote: Originally Posted by 8051 View Post
Is the Xbox System X system memory divided into separate buses so that 6 GiB is dedicated to the CPU and 10 GiB dedicated to the GPU? I mean divided in the sense that memory bandwidth is not shared between the GPU and CPU and the GPU and CPU can be reading/writing separately to the memory pools simultaneously.
Quote: Originally Posted by ILoveHighDPI View Post
No, it's still unified memory but developers have the ability to choose what data goes to which memory pool.
This is very disconcerting. As more open world games become bandwidth dependent those same developer will have one of 2 options.
1. Spend more resources to back port it back to PC. Which might result in nearly all PC derivatives being slower then console.
2. They don't and move on to the next project.

The number one sandbox game that I'm very concerned with is the next Grand Theft Auto (Honorable Mentions: Saint Row, Assassin's Creed, Watch Dogs, Just Cause, Forza, etc)

Another aspect of FPS gaming that becomes a concern for PC gamers are those sandbox games that are on "rails". However, still look open world. But limits you to traverse in a certain direction. Barriers like Walls, mountains, hill sides, building, etc make it impossible to travel left/right, etc. Other tricks are having to go through a building were only certain doors are open while other doors, don't function. In other words those kind of maps give you the impression of sandbox environment but you aren't able to interact with every aspect of the sandbox environment.

With these memory constraints removed, among other constraints, the whole idea of sandbox games on "rails" become moot. They can simply be an actual sandbox game. With "arrow guides" pointing you in the direction you need to go when needed. And that isn't all, just the tip of the iceburg...you can have more NPCs doing different things: land, air and sea assets traversing the environment, etc. in ways not yet experienced.

We've already seen what the PS5 can do with storage and memory bandwidth with the map alleged to be the next Spiderman game. And the PS5 is alleged to be much slower then the next gen xbox.
Start at 0:32 to see the difference.
Now, if Spiderman, alleged game in development in this video, is brought to the PC will the game play experience be the same? IMHO, no.




Here is GTA V to show you what the developer's vision is when it comes to memory bandwidth:

Don't get me wrong. With DDR5 it should blow these results out the water. But what will you expect the performance to be when bench marked using next gen consoles?

Last edited by EastCoast; 04-06-2020 at 04:40 PM.
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