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VRAM - AMD/Nvidia, why does it differ?

Rusty0611 said:
I did read it but it doesn't answer my question. Technically need 1 for 4K. Max settings, is a different kettle of fish.



Doesn't say two there. It says SLI. 3 is still SLI.

Unless I've missed something.
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I assumed TRI SLI meant three, like it does with crossfire. Or does crossfire mean 3/4 gpu's now? If thats the case what is TRI SLI?
 
LtMatt said:
I assumed TRI SLI meant three, like it does with crossfire. Or does crossfire mean 3/4 gpu's now? If thats the case what is TRI SLI?
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http://en.wikipedia.org/wiki/Scalable_Link_Interface

Wikipedia said:
Scalable Link Interface (SLI) is a brand name for a multi-GPU technology developed by NVIDIA for linking two or more video cards together to produce a single output. SLI is an application of parallel processing for computer graphics, meant to increase the processing power available for graphics.
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There you go old bean :p.

Tri-SLI is just the name given colloquially to show specifically that you're using 3 GPUs. It is still SLI though.
 
Rusty0611 said:
I did read it but it doesn't answer my question. Technically need 1 for 4K. Max settings, is a different kettle of fish.

Doesn't say two there. It says SLI. 3 is still SLI.

Unless I've missed something.
Click to expand...

LtMatt said:
I assumed TRI SLI meant three, like it does with crossfire. Or does crossfire mean 3/4 gpu's now? If thats the case what is TRI SLI?
Click to expand...

Now who to believe? Nvidia's website or forum user Rusty. :D

I HIGHLIGHTED THE PART IN BOLD FOR YOU IN CASE YOU DIDNT SEE IT.

Nvidia said:
NVIDIA GPU SUPPORT FOR 4K RESOLUTIONS

All GeForce GTX 600 and 700 series GPUs can support 4K resolutions through DisplayPort. The NVIDIA driver automatically detects 4K 60Hz tiled format, so no special user set up is required. In order to power games at this resolution with settings turned up NVIDIA recommends GTX 780 SLI
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Source
https://developer.nvidia.com/4k-ultra-high-resolution-development
 
Kaapstad said:
Fixed.

You can make the same argument about both AMD and NVidia depending on where they are targeting their cards.
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Precisely. Titan is 6GB, and is currently the only card that you are dead certain not to fall short at 4K.

MooMoo444 said:
I already pointed out the Titan is an outlier and shouldn't really be considered. It's completely unrealistic and out of 99.999% of peoples price range.

I am simply comparing what you get for your money at the £350-550 price bracket.
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Rubbish. It's EOL, you'll likely find them at more 'reasonable' prices on the second hand market.


4GB is hardly a massive step up. Maxwell mobile chips are rumoured to have 8GB VRAM. The next generation consoles are going to have a huge lasting impact on the GPU market in this respect.
 
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LtMatt said:
Now who to believe? Nvidia's website or forum user Rusty. :D

I HIGHLIGHTED THE PART IN BOLD FOR YOU IN CASE YOU DIDNT SEE IT.

Source
https://developer.nvidia.com/4k-ultra-high-resolution-development
Click to expand...

As already pointed out via Wikipedia: SLI just means two or more. Not two. You made a boo-boo. Settings turned up not equal to max. It's purposefully vague.

I don't even really understand what you're getting at any more to be honest :D.

MjFrosty said:
Precisely. Titan is 6GB, and is currently the only card that you are dead certain not to fall short at 4K.
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Quad-fire 7970 6GB waves :D. If you can find them. lol
 
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Rusty0611 said:
As already pointed out via Wikipedia: SLI just means two or more. Not two. You made a boo-boo.
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According to their (Nvidia) website they refer to it as 3 way SLI, or quad SLI for four gpu's. As you had no comeback to the 3gb vram issue or 2x780's being capable for 4k as advertised all over geforce.co.uk i will accept you folded.

EDIT

Techpowerup say the same as Nvidia website

NVIDIA GeForce GTX TITAN SLI & Tri-SLI
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_Titan_SLI/
 
LtMatt said:
According to their (Nvidia) website they refer to it as 3 way SLI, or quad SLI for four gpu's.
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Actually you're wrong. From a technical point of view, SLI refers to two GPUs or above. 2-way, 3-way and 4-way is the colloquial way to distinguish between different SLI set up's.

nVidia themselves make this distinction as well between 2-way, 3-way etc.

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http://www.nvidia.co.uk/object/3d-vision-surround-requirements-uk.html

In your quote they say 'GTX 780 SLI'. This just refers to the requirement of going multi-GPU. I'm sure you can get a nice compromise between IQ and FPS with a 2-way set-up but you won't be maxing and nVidia themselves do not state this. They say 'with settings turned up'. This doesn't necessarily mean maximum settings. If it was maximum settings it would explicitly state this. :)

LtMatt said:
As you had no comeback to the 3gb vram issue or 2x780's being capable for 4k as advertised all over geforce.co.uk i will accept you folded.
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And my response to this is tied into the above. This statement is based on your own fallacy and as such does not require a response :).

almighty15 said:
Quad-fire is 3Gb :/
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Could you not quad-fire the 6GB versions?
 
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@Rusty ive got no idea what you're going on about. You're just arguing for the sake of it. Everything you say is in complete contrast to what Nvidia say on their website. I go back to the original point that i was making. If Nvidia don't think 4k is important, or that 780 SLI is capable of providing playable fps with settings turned up whilst not running out of vram then don't start a PR campaign and plaster it all over your website. Not interested in how you perceive things when its there in black and white on their own website. Or even if they say this but really they meant this, or it could mean that etc. A quick look at the results Finally posted earlier shows the current status of things. 780 SLI is not ideal when it comes to "providing playable fps with settings turned up @4k" certainly not compared to a 290X. This is all in contrast to their whole 4K PR campaign prior to Hawaii launch. This brings me right back to my original point which you argue with. If its not important to them then why bring it all up in the first place?
 
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LtMatt said:
@Rusty ive got no idea what you're going on about. You're just arguing for the sake of it. Everything you say is in complete contrast to what Nvidia say on their website. I go back to the original point that i was making. If Nvidia don't think 4k is important, or that 780 SLI is capable of providing playable fps with settings turned up whilst not running out of vram then don't start a PR campaign and plaster it all over your website. Not interested in how you perceive things when its there in black and white on their own website.
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Do me a favour and list all the games at 4k that you think would break the 3Gb VRAM mark at max settings.
 
almighty15 said:
Do me a favour and list all the games at 4k that you think would break the 3Gb VRAM mark at max settings.
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Farcry 3, Hitman Absolution, Battlefield 4, Rome Total War 2, Crysis 3. There may be more but thats a few i can think of just quickly.
 
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