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Is 1Gb VRAM really enough in todays games? - Page 2

post #11 of 132
Quote:
Originally Posted by almighty15;12800225 
Then why did I hit VRAM limits on my old 1Gb 5850's at 19201080?

You didn't. Max. VRAM for a card with 1GB onboard is the 1GB + 1791MB that it can take from system RAM. Actual max. VRAM for your card is 2.75GB, though the shared memory will be slower. Even then, it's pretty much impossible it used the 1GB onboard at that resolution, even with 4x AA and 16x AF.

Here's my GTX 260M:

attachment.php?attachmentid=201100&stc=1&d=1300631858
    
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post #12 of 132
Quote:
Originally Posted by almighty15 View Post
You still have 512mb and anything over it has to transfer it from local system RAM or direct from the HDD, Either option causes lag and stuttering.
Well, as I said- no lags and stuttering on 1440x900, 4xAA on 512Mb.
That's why I belive double Vram (1Gb) should be enough for just a slight bump in resolution (1920x1080)

(1440x900 4xAA is heavier to the Vram than 1920x1080 - 5184000 pixels to 2073600 pixels)

Quote:
Originally Posted by LOL_Wut_Axel View Post
You didn't. Max. VRAM for a card with 1GB onboard is the 1GB + 1791MB that it can take from system RAM. Actual max. VRAM for your card is 2.75GB, though the shared memory will be slower. Even then, it's pretty much impossible it used the 1GB onboard at that resolution, even with 4x AA and 16x AF.
True. Your issue is somewhere else.
Edited by ronnin426850 - 3/20/11 at 7:42am
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post #13 of 132
Thread Starter 
Quote:
Originally Posted by LOL_Wut_Axel View Post
You didn't. Max. VRAM for a card with 1GB onboard is the 1GB + 1791MB that it can take from system RAM. Actual max. VRAM for your card is 2.75GB, though the shared memory will be slower. Even then, it's pretty much impossible it used the 1GB onboard at that resolution, even with 4x AA and 16x AF.
Dude I was RAM limited, Only way to stop it was to remove some texture mods.

Storing texures and game data in local RAM is useless as the data transfer is too slow, It makes the games stutter regardless.

And before you move onto I use texture packs argument anyone who has as much graphics power that I had would and does run mods.

There was one part in STALKER clear sky that was so bad the only way I could play that particular section was to temporarily remove the complete mod as my system RAM and HDD just couldn't keep up with the amount of data swapping.

On my 6970 I can now play that part with the mod still installed AND even more textures on top and it's butter smooth.
post #14 of 132
Quote:
Originally Posted by almighty15 View Post
Dude I was RAM limited, Only way to stop it was to remove some texture mods.

Storing texures and game data in local RAM is useless as the data transfer is too slow, It makes the games stutter regardless.

And before you move onto I use texture packs argument anyone who has as much graphics power that I had would and does run mods.

There was one part in STALKER clear sky that was so bad the only way I could play that particular section was to temporarily remove the complete mod as my system RAM and HDD just couldn't keep up with the amount of data swapping.

On my 6970 I can now play that part with the mod still installed AND even more textures on top and it's butter smooth.
Did you think the issue might be the CrossFire? Read up, we're giving you logical arguments
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post #15 of 132
Thread Starter 
Quote:
Originally Posted by ronnin426850 View Post
Well, as I said- no lags and stuttering on 1440x900, 4xAA on 512Mb.
That's why I belive double Vram (1Gb) should be enough for just a slight bump in resolution (1920x1080)

(1440x900 4xAA is heavier to the Vram than 1920x1080 - 5184000 pixels to 2073600 pixels)



True. Your issue is somewhere else.
That logic is flawed, by using the system RAM to make up for lack of RAM why even have cards with 2Gb of RAM as the graphics card could just use the system RAM

You also have to factor in that your 4870 will become shader bound in newer games before lack of VRAM becomes an issue.
post #16 of 132
Quote:
Originally Posted by almighty15 View Post
Dude I was RAM limited, Only way to stop it was to remove some texture mods.

Storing texures and game data in local RAM is useless as the data transfer is too slow, It makes the games stutter regardless.

And before you move onto I use texture packs argument anyone who has as much graphics power that I had would and does run mods.

There was one part in STALKER clear sky that was so bad the only way I could play that particular section was to temporarily remove the complete mod as my system RAM and HDD just couldn't keep up with the amount of data swapping.

On my 6970 I can now play that part with the mod still installed AND even more textures on top and it's butter smooth.
Bah. Texture mods. Why are you complaining again?
    
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post #17 of 132
Quote:
Originally Posted by almighty15 View Post
That logic is flawed, by using the system RAM to make up for lack of RAM why even have cards with 2Gb of RAM as the graphics card could just use the system RAM

You also have to factor in that your 4870 will become shader bound in newer games before lack of VRAM becomes an issue.
Umm. where does that fit in the discussion??

Cards have 2Gb VRam, becaise GDDR5 is 2x-3x faster than DDR3. +The system RAM is needed for other things.
And if my 4870 is shader limited or not is irrelevant- it plays fine at 1440x900x4AA with 512Mb

Did you try to play with just 1x5850? Maybe the issue was the CF?
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post #18 of 132
Thread Starter 
Quote:
Originally Posted by ronnin426850 View Post
Did you think the issue might be the CrossFire? Read up, we're giving you logical arguments
Tried it with only one card, Same result.

STALKER : Clear Sky

Quote:
This problem gets worse because of the game's intense usage of video memory. Up to 800 MiByte in DX9 were not uncommon and, according to the console, in DX 10 even more VRAM was used
Throw in more complex levels later on in the game and it soon require more then 1Gb of VRAM with STOCK textures

http://www.pcgameshardware.com/aid,6...eview/Reviews/
post #19 of 132
To summarize: Stating that new GPUs will stutter and lag on 1920x1080 because they have only 1Gb Vram is incorrect. This would lead to the assumption that you need 2Gb Vram in order to play smooth at that res, which is also incorrect.

There are 2 bright examples in the beginning of the page- mine and Axel's.

EDIT: Your example (the one from the review) is only notable if System RAM (their is only 2Gb) is full. If you have 4Gb Sys RAM + 1Gb Vram, you won't (shouldn't) (noone else does) notice any lag or stuttering.
Edited by ronnin426850 - 3/20/11 at 8:00am
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post #20 of 132
Thread Starter 
Quote:
Originally Posted by ronnin426850 View Post
Umm. where does that fit in the discussion??

Cards have 2Gb VRam, becaise GDDR5 is 2x-3x faster than DDR3. ?
RAM type has nothing to do with capacity, There's 2Gb cards that don't use GDDR5.

And you still haven't answered my question, Why have GPU's with loads of VRAM when they can just use system RAM?
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