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GTX460 192bit vs. 256 bit

post #1 of 8
Thread Starter 
So I was looking to upgrade my GPU and I was looking at the GTX460 but I noticed the PNY has 256 bit and seems 20 bucks cheaper then EVGA which has 192 bit.

I assume this is because of the lower clock speed? If it is the same GPU couldn't i just over clock it to be the same or higher and just put it under water for better cooling.

Also does the different color board matter?

Im kinda a GPU noob so any feedback would be greatly needed. Thanks
 
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post #2 of 8
Hmm, interesting, I always thought 256 bit is the 1GB version while 192 bit is the 768MB one.
I myself would just go for 256 bit, any 460 should OC up to 800-850Mhz with ease.
And no, PCB colors are just for personal preference. Many people prefer black but it does not mean black PCB is better than red or green ones.
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post #3 of 8
Quote:
Originally Posted by goldbranch View Post

Hmm, interesting, I always thought 256 bit is the 1GB version while 192 bit is the 768MB one.
This, I always thought that VRAM size had to be a multiple of the memory bus, eg: GTX 570 has a 384-bit bus and have either 1536MB VRAM or 3072MB.
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post #4 of 8
256-bit means more memory bandwidth.

Memory bandwidth is effective clock multiplied by interface width divided by 8 bits per byte. For example, 3000MHz at 256-bit = 96GB/s, which is the same as 4000MHz 192-bit card. 4000MHz * 192 / 8 = 96GB/s.


I would go with the 256-bit card. Keep in mind if you plan on SLI'ing the card in the future you will also have to pair it with another 256-bit card or it will not work. thumb.gif
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post #5 of 8
Quote:
Originally Posted by myuusmeow View Post

This, I always thought that VRAM size had to be a multiple of the memory bus, eg: GTX 570 has a 384-bit bus and have either 1536MB VRAM or 3072MB.

the vram is a multiple of the memory bus.
In this case
192 * 4 = 768
256 * 4 = 1024
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post #6 of 8
Thread Starter 
thanks for the input, but I have another question, everyone in the reviews one the EVGA say its a V2 card , and I noticed that it has OpenGL 4.2 where as the PNY only has OpenGL 4.0 does this mean the PNY is a V1 card? and will it even matter?
 
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post #7 of 8
Quote:
Originally Posted by Halostryker View Post

thanks for the input, but I have another question, everyone in the reviews one the EVGA say its a V2 card , and I noticed that it has OpenGL 4.2 where as the PNY only has OpenGL 4.0 does this mean the PNY is a V1 card? and will it even matter?

It'll only matter if you plan on SLI'ing two cards because they need to be the same.
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post #8 of 8
Thread Starter 
Hmm I think I will soon in the future. I heard these cards are good for that.
Also are there any waterblocks for these cards, I cant seem to find any

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