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Forums - Sony Discussion - PS5 Confirmed Backward Compatibility

Mr Puggsly said:

I don't feel running games off a HDD was done out of necessity. The PS3 was able to run games directly from a BD disc, so did the Wii U (likely BD tech). Therefore its not crazy to assume PS4 and X1 could have as well especially with their faster drives. 

The (maximal) speed of the PS4 BR-drive is 3x of the PS3 BR-drive, but many games have grown a lot more than 3x the size.

For installing they are fine, since thats a long sequential loading scenario, but playing games directly from the optical drive, the jumping around to dozens/hundreds of different points on the disc and speeding up / slowing down the disc every few minutes is very stressful for the mechanics (and noisy).



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Pemalite said:
taus90 said:

I feel he think it some insider who leaked some PS5 info :D 

Pemalite: Also Just because something was introduced few years but didnt take off doesnt, mean cant be brought back on a better Hardware? (VR), even Sony has been Using 3D audio with different techniques and Ray tracing will be the new thing Not to forget Sony did recently acquire Audiokinetic

P.S. I wont be surprised if HZD2 Ai will use ray tracing collision detection.  

I meant things like the drive configurations and so on that everyone is commenting on without us actually having all the facts.

There is still allot of unknowns at this point.... Like how powerful the console is going to be which everyone seems to be throwing ideas around on. (Like dedicated Ray Tracing hardware and 80 CU's.)



Edit: I didn't like what I posted so I'm removing it

Last edited by Trumpstyle - on 19 April 2019

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Conina said:
Mr Puggsly said:

I don't feel running games off a HDD was done out of necessity. The PS3 was able to run games directly from a BD disc, so did the Wii U (likely BD tech). Therefore its not crazy to assume PS4 and X1 could have as well especially with their faster drives. 

The (maximal) speed of the PS4 BR-drive is 3x of the PS3 BR-drive, but many games have grown a lot more than 3x the size.

For installing they are fine, since thats a long sequential loading scenario, but playing games directly from the optical drive, the jumping around to dozens/hundreds of different points on the disc and speeding up / slowing down the disc every few minutes is very stressful for the mechanics (and noisy).

I've read faster but I can't find a source that gives me an exact speed. Either way the PS4 and X1 were designed to install games, so that would explain why they may have went with a slower drive. I'm arguing its possible they could kept games running off discs, but that wasn't the goal.

I believe they went to installing games on a HDD because its less work and faster loading is possible. In practice, its a shame games seem to load more this gen. I've argued before when developers get access to better hardware there seems to be trend of becoming less efficient.

Last edited by Mr Puggsly - on 19 April 2019

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4K-Textures need around 3 - 4 the bandwith/filesize than 2K-textues... additional the areas get bigger and the LOD gets enhanced, so more objects with more detailed textures are visible. Bigger games do not automatically mean less efficiency.



thismeintiel said:
The_Liquid_Laser said:

That article has some interesting info indeed.  Here is what I get from a business perspective.


Pros:
-Disc based
-Backwards Compatibility


Cons:
-Powerful (pricey?)
-VR is going to be a priority
-Not releasing this year


So far PS5 is not doing too hot.  It is looking kind of like the PS3, but it may be too early to tell.  If they are smart they will do an early 2020 release, and maybe the VR is mostly talk.  We'll see.

This is nothing like the PS3.  The PS3 was an incredibly expensive console to make. Supposedly, $800+ to make and was sold for $499 as the entry price, meaning Sony was losing over $300 per console. A lot of the price came from pushing the new Blu-ray tech, not from any powerful GPU.   Sure, the Cell was powerful, but because it was 100% custom and hard to develop on, gamers didn't really see the results of that extra $200 the PS3 coat over the 360.   For a year or more, 3rd party games actually looked worse on the more powerful system.

This won't happen with the PS5. Sony is waiting til next year for prices to fall. If they price it at $499, which isn't so bad with 14 years of inflation added in since the PS3, I doubt they would have to subsidize it more than $100.  It's also using slightly customized off the shelf parts, based on the same architecture as the PS4. If it's $50-$100 more than the XB2 because it's more powerful, gamers will see the results day one.

Yeah that just adds another thing to my list of why $600 will be fine. PS5 will be $600 because it will be $600 worth of pure power. Blu-Ray pulled up the price, in the same way that Kinect pulled up the price of XB1. 



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jason1637 said:
Cerebralbore101 said:

8 GB of RAM for the OS would be a bloated OS. No thanks. Switch's OS is the best OS, because it boots up instantly, just plays games, and only takes up 300 KB of space. 

But the switch OS is missing a lot of features compared to the PS4. With the rumored changes to PSN I could see the PS5 taking up maybe 4-6gb. 8 would be too much though.

Not even Windows, with all it's functions, is coming close to using that much RAM. If a console OS would take that much, it's really wasteful programming. 4GB okay, 6 is already pushing it, but 8 is absolutely out of question.



Bofferbrauer2 said:
jason1637 said:

But the switch OS is missing a lot of features compared to the PS4. With the rumored changes to PSN I could see the PS5 taking up maybe 4-6gb. 8 would be too much though.

Not even Windows, with all it's functions, is coming close to using that much RAM. If a console OS would take that much, it's really wasteful programming. 4GB okay, 6 is already pushing it, but 8 is absolutely out of question.

To be fair... The Xbox One was doing multi-tasking via snap (Now gone), Kinect and running multiple Operating Systems all at once via Virtualization, so Microsoft actually got allot of usability out of only 3GB, it's still more memory than Windows 7 will use though.

Sony tends to be a little less efficient on the OS front, it's Microsoft's expertise after-all...
But the Playstation 4 still needed a separate 256MB/1024MB DDR3 memory pool and separate ARM processor for background tasks and even still necessitated the need for 3.5GB of GDDR5 Ram for front-end stuff. - Not sure if they have given back that extra .5GB of Ram yet though?

The issue is... Microsoft and Sony need to make forward projections on Ram requirements for 10~ years, 3GB was a massive amount in 2013 for an OS, background tasks, apps... Today? Not so much. My Phone has more Ram.



--::{PC Gaming Master Race}::--

Pemalite said:
Bofferbrauer2 said:

Not even Windows, with all it's functions, is coming close to using that much RAM. If a console OS would take that much, it's really wasteful programming. 4GB okay, 6 is already pushing it, but 8 is absolutely out of question.

To be fair... The Xbox One was doing multi-tasking via snap (Now gone), Kinect and running multiple Operating Systems all at once via Virtualization, so Microsoft actually got allot of usability out of only 3GB, it's still more memory than Windows 7 will use though.

Sony tends to be a little less efficient on the OS front, it's Microsoft's expertise after-all...
But the Playstation 4 still needed a separate 256MB/1024MB DDR3 memory pool and separate ARM processor for background tasks and even still necessitated the need for 3.5GB of GDDR5 Ram for front-end stuff. - Not sure if they have given back that extra .5GB of Ram yet though?

The issue is... Microsoft and Sony need to make forward projections on Ram requirements for 10~ years, 3GB was a massive amount in 2013 for an OS, background tasks, apps... Today? Not so much. My Phone has more Ram.

Your phone doesn't need nearly as much for the OS. That's for the Apps, especially games, to use.

Also, 3GB wasn't even massive in 2013, Win 8.1 already used about as much, and that came out first.



Bofferbrauer2 said:
Pemalite said:

To be fair... The Xbox One was doing multi-tasking via snap (Now gone), Kinect and running multiple Operating Systems all at once via Virtualization, so Microsoft actually got allot of usability out of only 3GB, it's still more memory than Windows 7 will use though.

Sony tends to be a little less efficient on the OS front, it's Microsoft's expertise after-all...
But the Playstation 4 still needed a separate 256MB/1024MB DDR3 memory pool and separate ARM processor for background tasks and even still necessitated the need for 3.5GB of GDDR5 Ram for front-end stuff. - Not sure if they have given back that extra .5GB of Ram yet though?

The issue is... Microsoft and Sony need to make forward projections on Ram requirements for 10~ years, 3GB was a massive amount in 2013 for an OS, background tasks, apps... Today? Not so much. My Phone has more Ram.

Your phone doesn't need nearly as much for the OS. That's for the Apps, especially games, to use.

Also, 3GB wasn't even massive in 2013, Win 8.1 already used about as much, and that came out first.

The thing with Android/iOS/Windows is that allot of their Ram consumption is due to caching and background tasks.
Thus my phone can and does use more than 3GB for just the OS.

Windows 8.1, heck even Windows 10 will happily run on 2GB of Ram if it's backed by an SSD.




--::{PC Gaming Master Race}::--

Biggerboat1 said:
DonFerrari said:

The link I gave you was the estimative made within that thread of the PSN profit, as far as I know Sony haven't break down profit per product, just per segment.

An estimate made within a forum thread isn't really sufficient evidence in my book...

There won't be any official numbers to give you. The profits estimative comes more from similar earnings, but PSN alone costing less than whole of Nintendo. So if earning are close but costs are lower then profits are higher.

You may dispute if they are really higher, equal or lower. But the main factor remains that it is still very close.



duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"

http://gamrconnect.vgchartz.com/post.php?id=8808363

Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"

http://gamrconnect.vgchartz.com/post.php?id=9008994

Azzanation: "PS5 wouldn't sold out at launch without scalpers."