Video card: 2gb vs 4gb

SteamStyle1 · Aug 10, 2014

Hi, can anyone tell me the difference in the amount of Vram can do?Ex: R9 270x 2gb vs R9 270x 4gb version!
It would affect the resolution?(for better)?
More Vram = better setting for gamming?? if im not very clear tell me and Im going to do my best to express my self.
Thanks to all people who read and anser this post!

GRUxTSAR · Aug 10, 2014

R9 270 s4gb is not worth it as an R9 270x can't max games like BF4 and Crysis 3 that use >2gb VRAM. More VRAM will mean the difference between max and high in the future because games are already beginning to use over 2gb of VRAM, however most cards cannot use all the 4gb and are limited by their memory bus. 4gb lower-midrange cards are more suited for SLI rather than single-card

Shaun o · Aug 10, 2014

Ok well here is the low down.

A four Gb card would be better.
When start to play games in a higher resolution above 1080p say.
The textures of the game are of a higher resolution so are more sharper and detailed.
But it requires per texture more memory space.
The memory on a graphics card is there to store all the textures as close to the gpu it can for rendering and display.
Gddr 4 or 5 Memory is a lot faster than DDR 3 system memory.

If you have a card of a lower GB size say 2GB then the amount of memory limits how high the textures can be in resolution or detail within a game.
Each graphical enhancement like AA or anti alias also requires more memory Along with other Fx and again takes up more memory the higher you go in resolution.
Because more information is being processed and sent through the gpu and to drive the display. And Image texture rendering.
Extra memory gives you more storage space and bandwidth or the speed it can deliver Fx or textures.
Also when the memory is limited on a graphics card in order to load new textures it has to be called from the hard drive to the memory of your computer and sent to the graphics card ram for update and storage via the cpu.
As you can see those steps would take more time.
So the speed is a factor to keep things nice and fast the textures ect in a game are pre set and loaded, stored in the GDDR memory of the card for faster access. Or the rest of the system slowing the process down.
You only have to take one step or the shortest route to access the information required.Read it and render, or display it.
Other than going through the rest of the sub systems.
lack of memory results in Jerking because its waiting for the rest of the system
were the textures have to be swapped or reloaded.

SteamStyle1 · Aug 10, 2014

Shaun o :

Ok well here is the low down.

A four Gb card would be better.
When start to play games in a higher resolution above 1080p say.
The textures of the game are of a higher resolution so are more sharper and detailed.
But it requires per texture more memory space.
The memory on a graphics card is there to store all the textures as close to the gpu it can for rendering and display.
Gddr 4 or 5 Memory is a lot faster than DDR 3 system memory.

If you have a card of a lower GB size say 2GB then the amount of memory limits how high the textures can be in resolution or detail within a game.
Each graphical enhancement like AA or anti alias also requires more memory Along with other Fx and again takes up more memory the higher you go in resolution.
Because more information is being processed and sent through the gpu and to drive the display. And Image texture rendering.
Extra memory gives you more storage space and bandwidth or the speed it can deliver Fx or textures.
Also when the memory is limited on a graphics card in order to load new textures it has to be called from the hard drive to the memory of your computer and sent to the graphics card ram for update and storage via the cpu.
As you can see those steps would take more time.
So the speed is a factor to keep things nice and fast the textures ect in a game are pre set and loaded, stored in the GDDR memory of the card for faster access. Or the rest of the system slowing the process down.
You only have to take one step or the shortest route to access the information required.Read it and render, or display it.
Other than going through the rest of the sub systems.
lack of memory results in Jerking because its waiting for the rest of the system
were the textures have to be swapped or reloaded.

so, the sweet spot would be the 2gb version??

SteamStyle1 · Aug 10, 2014

GRUxTSAR :

thanks for the info

LickMyGrapes · Sep 7, 2014

considering the fact that this dudes wrong about not maxing bf4 on a r9 270x at more then playable frame rate everything else was correct look at benchmarks of the r9 270x it plays bf4 with eez on ultra average fps is like 55 fps as long as you have a decent cpu and thats the 2Gb version. "fx6300 or greater"

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Video card: 2gb vs 4gb

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