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post #21 of 29
Quote:
Originally Posted by alawadhi3000 View Post

Thats the amount of the memory allocated, not used by the game.

I'm using about 850MB of my GTX670 2GB VRAM just by setting running a few tabs of Firefox, does that mean that Windows idle/Firefox will stutter on 512MB VRAM cards?? doh.gif

No, that link is showing the amount of GDDR used while benchmarking at different resolutions.
Read it again.
Edited by Proxish - 11/2/13 at 1:15pm
post #22 of 29
Quote:
Originally Posted by Proxish View Post

No, that link is showing the amount of GDDR used while benchmarking at different resolution.
Read it again.

The values were taken from GPU-Z , MSI Afterburner and similar apps, these apps show the memory allocation not actual memory usage per game.
The memory system on the GPU doesn't usually free memory on the card unless it needs too.
Also, if you run out of VRAM your framerate will drop like crazy.

Example:-



BF3 5760X1200 maxed out except FXAA, 2GB performance is the same as /better than 4GB performance <-- Game doesn't use more than 2GB at 5760X1200 Ultra FXAA.
BF3 5760X1200 2X MSAA performance on the GTX680 2GB SLI is only a 5-10 FPS slower than 2GB/4GB GTX670 SLI, its because of the 2X MSAA vs FXAA. Still the game doesn't use more than 2GB VRAM at 5760X1200 Ultra 2X MSAA.

Your link claims BF3 needs 2.6GB @ 5760X1200 Ultra FXAA which is laughable. thumb.gif
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post #23 of 29
Quote:
Originally Posted by alawadhi3000 View Post

The values were taken from GPU-Z , MSI Afterburner and similar apps, these apps show the memory allocation not actual memory usage per game.
The memory system on the GPU doesn't usually free memory on the card unless it needs too.
Also, if you run out of VRAM your framerate will drop like crazy.

Example:-



BF3 5760X1200 maxed out except FXAA, 2GB performance is the same as /better than 4GB performance <-- Game doesn't use more than 2GB at 5760X1200 Ultra FXAA.
BF3 5760X1200 2X MSAA performance on the GTX680 2GB SLI is only a 5-10 FPS slower than 2GB/4GB GTX670 SLI, its because of the 2X MSAA vs FXAA. Still the game doesn't use more than 2GB VRAM at 5760X1200 Ultra 2X MSAA.

Your link claims BF3 needs 2.6GB @ 5760X1200 Ultra FXAA which is laughable. thumb.gif

Why don't you join Overclockers.com, and tell the guys over there that their results are flawed then, rather than being arrogant towards someone trying to help another person out?
post #24 of 29
Quote:
Originally Posted by Proxish View Post

Why don't you join Overclockers.com, and tell the guys over there that their results are flawed then, rather than being arrogant towards someone trying to help another person out?

I'm not being arrogant, just stating the facts about the whole VRAM thing which is too exaggerated here on OCN. thumb.gif
BTW I'm sure the OP appreciate the help he gets from you and other members.
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post #25 of 29
Quote:
Originally Posted by alawadhi3000 View Post

I'm not being arrogant, just stating the facts about the whole VRAM thing which is too exaggerated here on OCN. thumb.gif
BTW I'm sure the OP appreciate the help he gets from you and other members.

Ok, fair enough then.

But I must be reading things wrong then, because when I ran my own benchmarks at 1440p, I was maxing out my VRam.
My usage before being told that I needed 3GB GDDR was as follows.

AVP - 1217.105

Call Of Pripyat Everything on and Maxed (Crashed mid test to Window Mode, result before crash) - 1580.641

Call Of Pripyat Maxed - Advanced Options Untouched (Crashed mid test to Window Mode, result before crash) - 1191.762

Street Fighter - 1162.746

NBA 2K14 - 945.961

Resident Evil 6 - 1017.422

Sniper Elite - 2020.762

Total War Rome II Extreme + Unlimited Memory - 1967.395

Total War Rome II Extreme, x16AF, DOF (No AA) - 1939.543
post #26 of 29
Thread Starter 
So guys, would the 290 be better for 1440p than the 780? Wish the 290 non reference coolers would be here already so I can see how much they will cost.
post #27 of 29
Quote:
Originally Posted by ZeVo View Post

So guys, would the 290 be better for 1440p than the 780? Wish the 290 non reference coolers would be here already so I can see how much they will cost.

Gaming - Well at 1080p and 1440p the consensus in reviews is 780Ti is slight faster. Any resolution beyond that the 290X increases performance and becomes faster.

Source - Guru 3D
Quote:
Direct competition is of course the R9 290X from AMD, up-to 2560x1440 the GTX 780 Ti, mostly wins. At Ultra HD levels the cards get closer to each other though.

BF4


Crysis 3


Overclocking - luck of the draw which can swing either way and make a difference. Noise from those graphs performance full load 780Ti 4 DBa - 290X 43 DBa. I couldn't find in the test set up if the 290X was in quiet mode or uber mode for their results in this comparison.

My honest opinion:

If your going for reference only no more than 1440p the 780Ti is the way to go. Costlier however by $150 unless you put on an aftermarket cooler which will negate $100 off that price difference. If your not going to put an aftermarket cooler on the 290X stay with 780Ti as the fan will ramp up on a 290X and will be nosier than the 780Ti's better reference cooler with over clocking.

If your going to wait for non-reference by the end of the month you can get a 290X for the same amount or less than a 780Ti reference and noise level will be a moot point with possibly better over clocking (still luck of the draw) then I'd go 290X.

Having said that there's nothing wrong with going for which ever company you like best if you have a preference as these GPU's are great gaming with a single GPU for 1440p or 1080p @ 60 Hz monitor.
     
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post #28 of 29
Thread Starter 
Thanks for that info. I may just go with a 780 Ti if I save enough up, but if I can't make it by lets say, a Black Friday or Christmas, should I just settle for a regular 780? I've seen them go for as low as $400 used so maybe it'd be better to go that route and just SLI down the road in a year or so. G-Sync actually looks promising and most of the games I play are more Nvidia optimized so I may just go with them. Once again thanks for that info. Finally put my mind to ease for now. tongue.gif
post #29 of 29
Quote:
Originally Posted by ZeVo View Post

Thanks for that info. I may just go with a 780 Ti if I save enough up, but if I can't make it by lets say, a Black Friday or Christmas, should I just settle for a regular 780? I've seen them go for as low as $400 used so maybe it'd be better to go that route and just SLI down the road in a year or so. G-Sync actually looks promising and most of the games I play are more Nvidia optimized so I may just go with them. Once again thanks for that info. Finally put my mind to ease for now. tongue.gif

Read THIS POST to clear up what's required - G-sync is going to be rather expensive to obtain as you'll need another new G-sync enabled monitor unless you already have a ASUS VG248QE where they will sell an add-on you can mount yourself for $175. All other existing monitor will not be able to take advantage of G-sync.

Glad I was able to help in your decision making.

GTX 780 are on sale due to AMD competition and you can now thankfully get those at a decent price. Up to you again and the road map your setting for yourself.
     
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