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192bit bus speed on 660 ti Over Exaggerated

post #1 of 7
Thread Starter 
Isn't the 192bit bus speed on the 660 Ti's, 660 (non ti's), and 650ti boost over-exaggerated by most on this forum? I see people recommending that other people get Gpu's with higher bus speeds because they believe the 660 ti's or 660 (non ti's) will suffer at higher resolutions than 1080p due to their 192bit bus. To me, that's absurd when you look at available benches compared to other Nvidia cards with higher bus speed.

For example, the GTX Titan has x2 the bus speed of a 660 ti and x3 the memory size, but in this benches at 1600p, Dual 660 ti's perform consistently 10% slower, are equal with, or even higher than the TITAN depending on the game. And also take note that the TITAN is about 65% higher in PRICE than 660 ti's in SLI

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post #2 of 7
Although it is true that 140GB/s+ of memory bandwidth is usually enough for most games with minimal AA, if you just look at FPS you won't see the full story. As demonstrated by PCPer, frame latency, frame times, etc impact the user experience greatly but cannot be measured in frames per second.

At 1600P though the 2GB of memory is a big limiting factor. Look at Max Payne 3, Tomb Raider, Hitman Absolution, BioShock Infinite or Crysis 3, these games all use over 2GB when maxed out.
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post #3 of 7
Don't get me wrong here. You completely correct in that the 192bit bus is over exaggerated considering the price of the card. However, comparing it to a Titan is a no-no.

The titan is used for a solution for massive cuda operations and to crank huge resolution on one card. The titian doesn't show it's true colors until you put it into nvidia surround
post #4 of 7
Thread Starter 
Quote:
Originally Posted by EVGA-JacobF View Post

Although it is true that 140GB/s+ of memory bandwidth is usually enough for most games with minimal AA, if you just look at FPS you won't see the full story. As demonstrated by PCPer, frame latency, frame times, etc impact the user experience greatly but cannot be measured in frames per second.

At 1600P though the 2GB of memory is a big limiting factor. Look at Max Payne 3, Tomb Raider, Hitman Absolution, BioShock Infinite or Crysis 3, these games all use over 2GB when maxed out.

Crysis 3 is a very demanding game, and should pull alot of vram, but still with the benches, the Titan does not pull away from the 660 ti SLI..... and Nvidia SLi is actually really good at keeping consistent frame rates compared to AMD... so single GPU's like that Titan have little advantage on frame timing... unless you crank up the resolution to triple monitors of course, that's when i notice SLI latency going crazy tongue.gif
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post #5 of 7
It's completely based on the situation and the solution being used.

Nvidia has some very good AA algorithms that their solutions handle very well, especially in the case of supersampling. I think the other wild card here is that nvidia cards exhibit less microstutter in multi-card configurations. That basically means that a pair of 660 Ti's will outperform a pair of 7950's, even though the 7950's have nearly double the memory bandwidth.

It is all based on the situation, though. A single 7950 is usually a better solution because of its overwhelmingly higher memory bandwidth, but for most gamers, you're not going to tell a difference.
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post #6 of 7
Quote:
Originally Posted by Mad Pistol View Post

It's completely based on the situation and the solution being used.

Nvidia has some very good AA algorithms that their solutions handle very well, especially in the case of supersampling. I think the other wild card here is that nvidia cards exhibit less microstutter in multi-card configurations. That basically means that a pair of 660 Ti's will outperform a pair of 7950's, even though the 7950's have nearly double the memory bandwidth.

It is all based on the situation, though. A single 7950 is usually a better solution because of its overwhelmingly higher memory bandwidth, but for most gamers, you're not going to tell a difference.

I'd like to slightly necro/comment on this.

The single 7950's 384-bit bus and 3GB GDDR5 isn't going to be noticed on a single 1080p monitor (which is where most single-monitor gamers gravitate) when most games only use half that amount of VRAM or less.
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post #7 of 7
There's lots of other reasons why 7870 XT's are recommended more often than 660 Ti's are to someone looking for a card for around $300 as you'll get more for your money, when you have a $250 card (7870 XT) performing the same as a $300 GTX 660 Ti, it's doesn't make any sense to recommend the GTX 660 Ti anymore, not to mention you can sell Tomb Raider and Bioshock Infinite which come free with the 7870 XT for $40-50 each and get a killer card for $150.
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