Can the 750 ti actually use 2gb vram?

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Ashish Joseph

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Mar 17, 2014
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I have read some of the threads on toms, and found out that most low end gaming gpus aren't powerful enough to use 2gb vram. gpus like hd 7770, gtx 650 ti, etc. And all of them are 128 bit.
The 750 ti is also 128 bit. So, is the extra 1 gb vram wasted?So, aren't we paying more for some useless feature? Or is it that it can use more than 1 GB but less than 2GB?
And what is this bit(i know what the word means, but what does it mean here)? do more bit mean more performance?
 
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InvalidError
GPUs will use however as much RAM as the application call for and then may duplicate some of that data across memory channels to increase availability of that data to fill some of the spare space.

As for the bits related to GPU memory, that would be the memory bus width - how many bits the GPU can simultaneously transfer per memory transaction. The wider and higher-clocked it is, the more memory bandwidth you get and more bandwidth helps with keeping more shaders busy, which allows packing more GPU processing power in a single die without starving it for memory bandwidth too much.
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Titan
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GPUs will use however as much RAM as the application call for and then may duplicate some of that data across memory channels to increase availability of that data to fill some of the spare space.

As for the bits related to GPU memory, that would be the memory bus width - how many bits the GPU can simultaneously transfer per memory transaction. The wider and higher-clocked it is, the more memory bandwidth you get and more bandwidth helps with keeping more shaders busy, which allows packing more GPU processing power in a single die without starving it for memory bandwidth too much.
 
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oxiide

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I think what you read was attempting to say that at the settings and resolution where the GTX 750 Ti will perform well, 2 GB of VRAM is often not fully needed. Games will fill the 2 GB to capacity if they have enough data to do so, its just that the 750 Ti may be struggling anyway at the settings that actually require that much just due to its relatively slow GPU chip.

2 GB is the stock configuration for this and most video cards today until about the $350 mark, so you only would need to worry about this if there was a 4 GB version. That would be silly.

Ashish explained memory bus bandwidth well. Additionally, memory also has a frequency (in GHz or sometimes MT/s) that contributes to overall bandwidth, too. Fast memory can make up somewhat for a narrow bus. There are only 128-bit versions of the GTX 750 Ti, so again, this isn't something to be concerned about.
 
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