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what 770 to get ......2gb 770 Lightning or a 4gb Gigabyte Windforce! - Page 4

post #31 of 38
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http://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/

i mean this makes it clear ....there is 0 advantage to 4gb ...but my question is why??


what im looking for is more of a technical explanation.. 256bit bus?

why when it has for example 2gb it will use that and work and 4gb it will use it and work the same?


frame buffer?
    
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post #32 of 38
Quote:
Originally Posted by Gerbacio View Post

http://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/

i mean this makes it clear ....there is 0 advantage to 4gb ...but my question is why??


what im looking for is more of a technical explanation.. 256bit bus?

why when it has for example 2gb it will use that and work and 4gb it will use it and work the same?


frame buffer?

 

 

Well a smaller bus mean that less data can be read within a single memory read operation (correct me if i'm wrong). Now my guess is that the bus isnt powerful enough to be able to read 4gb of data at the same time. 

It's very important to understand that most of the data that is stored inside your VRAM isnt really doing anything useful, most of the time; it's just being there so the game can access it quickly if it needs to (but that doesnt mean that it needs it). 

 

post #33 of 38
Quote:
Originally Posted by splinterize View Post

Regardless, in your honest opinion, it is worth it to shell out 100$ for a 4gb because a single game might stutter if you install over 9000 mods?

Isn't it only a $50 price difference? It would seem like a viable route, if so, just to make sure you get the most out of your investment.
post #34 of 38
As I have said before, 4gb for SLI-tri-SLI. That's the only way you'll have enough power to push a high enough resolution combined with AA settings to use the extra memory.

As for the future, I doubt its going to become a issue in 6 months time. Few years perhaps? Not convinced even then. Crysis 3 doesn't max out 2gb even @ 1600P until you crank up AA, new consoles are not going to look better then that
post #35 of 38
The only thing that I have EVER seen actually REQUIRE more than 2GB of VRAM is 1440p with 4-8xMSAA. I don't consider moddinga ggame with a billion differenttextures to be a good example of a card needing anything. Any time you modify something, you compromise it's original design and increase the chance of failure by an exponential amount. I learned this modding and racing BMWs in the ALMS, GTX, and other national and local race circuits. It's just as true forccomputers as it is for cars.
The only difference is the definition of failure. In this ccase, it's a game running less than optimally. It's like putting a bunch of ricey body parts on a car... It may look better to you (and with cars, you are usually the only one), but you have completely changed how the car performs under anything but "regular circumstances".



Having more VRAM is not going to hurt you, except perhaps by decreasing the potential overclock of the card. In fact, when you have 2x as many IC's, the chances are significant that the memory won't oc as well. Considering the difference that memory speed has on Kepler performance, which you need look only to the 770 to see, I don't know why you would want to potentially cripple the card in such a way?

The fact is, computer parts, unless you're using them to directly increase your financial income, are NEVER an "investment". You always will lose money, making them pretty much the opposite of an investment. That's not to say that the enjoyment they provide is of no value, but the use of the word investment is quite frankly wrong, and it's not a good mindset to have. Basically, if you go into it knowing you will not get your money back, then buy whatever makes you happy because at the end of the day, that's what matters. Quibbling about VRAM in a misguided attempt to justify one's purchase is not the way to go, please just buy whatever makes you happy, use it to the best of its ability, and move on to a new card when the time comes. There's no such thing as future proof, and there will ALWAYS be someone with something better. I promise you that the attempt to keep up will only make you unhappy.
   
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post #36 of 38
Quote:
Originally Posted by nleksan View Post

The fact is, computer parts, unless you're using them to directly increase your financial income, are NEVER an "investment". You always will lose money, making them pretty much the opposite of an investment. That's not to say that the enjoyment they provide is of no value, but the use of the word investment is quite frankly wrong, and it's not a good mindset to have. Basically, if you go into it knowing you will not get your money back, then buy whatever makes you happy because at the end of the day, that's what matters. Quibbling about VRAM in a misguided attempt to justify one's purchase is not the way to go, please just buy whatever makes you happy, use it to the best of its ability, and move on to a new card when the time comes. There's no such thing as future proof, and there will ALWAYS be someone with something better. I promise you that the attempt to keep up will only make you unhappy.

Clearly, we all know that electronics typically do not hold their value very well. However, that is not what I meant by "investment". I disagree with your narrow context of the term. In this case, we're talking about performance per dollar. With the venture of getting new hardware, given a restrictive budget, and the idea that one doesn't upgrade every generation, "investment" refers to getting the best bang for the buck. "Future-proofing," in this context, does not simply describe whether the hardware is going to offer the best performance over time. It is quite evident that there are going to be more powerful products released. However, we're obviously not looking simply for the best performing part, with disregard for finances, or we wouldn't even be discussing the 770 or the differences in VRAM. (THERE ARE ALREADY "BETTER" PERFORMING OPTIONS.)

Given your argument, what if what makes people happy is getting the most out of the capital they spend? The idea of "future-proofing" is more about scalability, in this particular scenario. Let's say someone only has a 1080p setup at the moment. However, in the near future, they decide to expand their setup to include either a monitor with higher resolution, or multiple monitors. Let us assume that they're still using just a single card. Now, wouldn't it be wiser to spend a bit more up-front to have that peace of mind, knowing that they'll have more headroom? I am not arguing about whether the VRAM would provide more performance, at this point. I am simply stating that if the difference in cost is not large, whether or not it offers any better performance given their current setup, it may be worth it to look into getting a card with more, just to have that available.

Let us move on.
post #37 of 38
That's pretty much what I meant by "buy whatever makes you happy, because in the end that's all that matters". If 4GB of VRAM gives someone peace of mind for $50, then it is not my place to say that it is not "worth it", nor is it anyone else'. We may disagree at a technical level, but if a person is happy with their purchase then I am not going to try and change their mind!

I guess it's just hard to draw the line...when it has been shown time and again that 4GB 670's/680's are of zero performance benefit over their 2GB brethren until you get into, at minimum, 3-way SLI on a large resolution display. Then, and only then, do the 4GB cards show any benefit, but we're talking the difference between ~18FPS for 2GB and 23FPS for 4GB, neither of which I would consider "ideal".

Plus, as I mentioned in my post, there is a possibility of hampering the cards' performance due to the decreased likelihood of a significant memory overclock... IME/IMHO, this is pretty significant, as Kepler LOVES memory overclocks... Like I said, I see no other truly significant changes between the 680 and 770 besides the jump from 6Ghz to 7Ghz VRAM, yet there is a distinct performance advantage for the latter; it would stand to reason that the majority of this performance comes from the increased memory clock.

I apologize if my post came off as "rash", "harsh", or anything like that; it was not my intent. I am all for a respectful discussion, but I don't like to argue, and I apologize if I came off the wrong way initially.
   
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EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
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LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
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MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
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post #38 of 38
Quote:
Originally Posted by Gerbacio View Post

http://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/

i mean this makes it clear ....there is 0 advantage to 4gb ...but my question is why??


what im looking for is more of a technical explanation.. 256bit bus?

why when it has for example 2gb it will use that and work and 4gb it will use it and work the same?


frame buffer?



I was reading threw the forum, sorry this is my first post here lol, anyway back on subject. To explain it simply take a freeway for example, you have the same amount of traffic every morning and no congestion. Now add a couple more lanes but keep the same traffic. That is what 2Gb is to 4Gb cards and that is what you read. Its not that you need the amount of space or it will make the game run faster but the GPU can use it all the same and would make it less stressful. The cars on the freeway will use the extra two lanes but do they really need to, no but will spread out the cars a little more and basically flow easier, not particularly faster. Hope that helps explain it more. Sorry its not that technical lol but the easiest way I could explain it. Now if your like me and plan to run 3 monitors even at 1080p and possibly hook my rig up to my 3D tv then yes you would need all the extra ram. I actually plan to buy two 770 4Gb cards, one now for my new build and one later. I will have 3 monitors and maybe my 3D tv hooked up. As of right now the difference between 2Gb and 4Gb is only 50 dollars and to me that is fine for possibly a little more time on the cards if games become more of a memory hog.
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