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680 2gig v 680 4 gig

Hmmmm

Well it plays maxed on my 2GB GTX680 (+100/+400) at 1080p AND uses less than 2GB at 3620x1920 Ultra settings with 2xAA so.....

For reference I run 3620x1920 (Portrait Surround) and I CAN make my 680 run out of memory but it requires settings that arn't playable on a single card.

Out of interest what settings make the game unplayable?
 
Sorry,reviews are all well and good.BF3 to name one can't be played maxed out with a 2gig card on a 1920x1080 never mind larger resolutions,I've tried. Now I've got a 4 gig card I can,as I said IMHO I think he's chosen well from my experience of both cards.

Hangon, at 1920x1080 your saying you see better performance on a 4GB card vs a 2GB?

Maxxed out on my machine with Aero off(never really have it on) I peak at 1.3GB.

Something must be wrong with your setup! Or it aint optimized properly therefore requiring you to buy the 4GB version.

My opinion is get 4gb if you want for massive resoluiotns...and even then you'll hit gpu limits first probably. But you'll be able to manage the next set of hungry games in 2 years time...but really...you'll be buying a new card then lol!


But you can say you have the best :-)

It's like everything. I bought an M18x and upgraded loads on it...came in at 3.5k in the end. Guess what I do with it? Watch Homeland on 4od at the moment and do some development work that could be done on a much lower spec....do I care? no. Was it a waste of money...probably...but it's my money and my business ;-)
 
Hangon, at 1920x1080 your saying you see better performance on a 4GB card vs a 2GB?

Maxxed out on my machine with Aero off(never really have it on) I peak at 1.3GB.

Something must be wrong with your setup! Or it aint optimized properly therefore requiring you to buy the 4GB version.

My opinion is get 4gb if you want for massive resoluiotns...and even then you'll hit gpu limits first probably. But you'll be able to manage the next set of hungry games in 2 years time...but really...you'll be buying a new card then lol!


But you can say you have the best :-)

It's like everything. I bought an M18x and upgraded loads on it...came in at 3.5k in the end. Guess what I do with it? Watch Homeland on 4od at the moment and do some development work that could be done on a much lower spec....do I care? no. Was it a waste of money...probably...but it's my money and my business ;-)

Only bought the 4gig as I went 5760 x 1080,tried BF3 all sliders maxed and play was choppy and pixels breaking down with a 2gig on a single monitor. Saying that I never got the card checked so who knows.
 
Out of interest what settings make the game unplayable?

3620x1920 Ultra Settings with 4xAA.

Technically it would be "playable" if the card had more than 2GB of VRAM (tested on my old HD7970) BUT the framerate averages ~30 with lows of ~20.

The same can also be said of Crysis 2 and Crysis 1 - both use less than 2GB of Vram at settings that are actually playable (Although in Crysis 2 it is borderline at 1.98GB). At 1080p I have no VRAM issues at all.

For overall clarity I used to run a single HD7970. I swapped it for a single GTX680 to get rid of the horrible displayport based tearing I was experiencing (which it has done).

In all of the games I have tested so far the 680 and HD7970 are basically equal (only talking Surround like resolutions here). There are no games / settings I have tried where a GTX680 runs out of memory and a HD7970 remains perfectly playable. In most cases the HD7970 reported higher memory usage than the same settings on the 680.
 
3620x1920 Ultra Settings with 4xAA.

Technically it would be "playable" if the card had more than 2GB of VRAM (tested on my old HD7970) BUT the framerate averages ~30 with lows of ~20.

The same can also be said of Crysis 2 and Crysis 1 - both use less than 2GB of Vram at settings that are actually playable (Although in Crysis 2 it is borderline at 1.98GB). At 1080p I have no VRAM issues at all.

For overall clarity I used to run a single HD7970. I swapped it for a single GTX680 to get rid of the horrible displayport based tearing I was experiencing (which it has done).

In all of the games I have tested so far the 680 and HD7970 are basically equal (only talking Surround like resolutions here). There are no games / settings I have tried where a GTX680 runs out of memory and a HD7970 remains perfectly playable. In most cases the HD7970 reported higher memory usage than the same settings on the 680.

Sort of follow what your saying,with the set up i've got I was hoping to play most games 2D maxed out and 3D surround at a decent FPS but its not quite working out.Don't know if I'm doing something wrong or if what i've got isn't up to the task.
I've never oc'd graphics cards,so don't know if that would help or how to go about it.

Any way thanks for the taking the time to reply,guess I still got a lot to learn
 
Sort of follow what your saying,with the set up i've got I was hoping to play most games 2D maxed out and 3D surround at a decent FPS but its not quite working out.Don't know if I'm doing something wrong or if what i've got isn't up to the task.
I've never oc'd graphics cards,so don't know if that would help or how to go about it.

Any way thanks for the taking the time to reply,guess I still got a lot to learn

Just out of curiosity, what games are you playing with 3 screens and having problems/slow fps with?
 
Just out of curiosity, what games are you playing with 3 screens and having problems/slow fps with?


The main one is Crysis 2,when maxed out some scenes drop below 40.If I reduce AA's it becomes more playable,I really fancied this in 3D surround but it ain't gonna happen.
BF3 fully maxed out plays around 90 buy dives to around 30 in 3D, i thought in 3D the fps would just halve as it draws it twice how wrong i was. Any tips or tricks are welcome, as just banging my head against a wall so far.

Thanks for the swift reply
 
I am surprised TBH as I would have thought 2x680 4GB's would have coped quite easily with all settings fully on.

I get an extra 10fps from a 150OC on my 680 on BF3 fully maxed. For you I would start low on both cards.

Set power target to 132%
Set gpu Clock offset to 100
Set mem clock offset to 250

Do this for both cards and then go up in small increments on the gpu clock offset. My mem offset is good for 450 with a gpu clock of 177 (stable). I just use 150 to keep the fan noise a lil quieter.

Let me know if that helps :)
 
You will need a 3rd card for 3D i think, I just went form 7970's to 680's 4Gb.. they are much slower in BF3 but even with the lower fps its still smooth.. :s
 
I am surprised TBH as I would have thought 2x680 4GB's would have coped quite easily with all settings fully on.

I get an extra 10fps from a 150OC on my 680 on BF3 fully maxed. For you I would start low on both cards.

Set power target to 132%
Set gpu Clock offset to 100
Set mem clock offset to 250

Do this for both cards and then go up in small increments on the gpu clock offset. My mem offset is good for 450 with a gpu clock of 177 (stable). I just use 150 to keep the fan noise a lil quieter.

Let me know if that helps :)

many thanks
I take it thats using precisionX? also both cards together or seperate?sorry for the questions
 
You will need a 3rd card for 3D i think, I just went form 7970's to 680's 4Gb.. they are much slower in BF3 but even with the lower fps its still smooth.. :s

A 3rd card aint gonna happen.With a bit of luck Gregsters help might get me there if not its less candy. Failing that i'll return the cards and go gtx 670 tri sli,or would that be a backward step? Thanks for the reply
 
many thanks
I take it thats using precisionX? also both cards together or seperate?sorry for the questions

Yes Scott, use Precision X. I have never had SLI so I can't say if it does both cards at once or you do them seperately sorry. Maybe somebody else will know though.
 
You didn't make a 'bad' choice, you just spent more than was necessary for your resolution. 4GB cards will hold better value in the future it is worth noting. Enjoy your new card :)
 
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