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AkaSnake

Ok here's the deal , I have my video card is a Radeon HD 6800 series , when I check on dxdiag it's currently using 731MB , but I know my card can use 1GB , I will need it for skyrim , how can I use it to it's full potential?? Thanks!

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SnOwBunZz

DxDiag doesn't show nor tell you how much your GPU is using.

GPU-Z does though.

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AkaSnake

Yep I know , I have GPU-Z installed. It says memory size 1024mb but my GPU clock is at 775mhz while the total memory is at 1000mhz , I imagine it's possible to tweak it to it's full potential on catalyst control center?

Edit: I think I found a program: amd gpu clock tool

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SnOwBunZz

Nothing wrong here.

Nothing wrong here.

Now this here is wrong. It should be total memory clock.

You have nothing to worry about except for your terminology. You're technically fine for Skyrim.

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AkaSnake

When I check the requirement specs on canyourunit.com , I don't pass for the recommenced only because of this , I pass for everything except the 1gb video card thingy..

Edit: This is what it says:

Required You Have
Video RAM 1 GB 731.8 MB

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SnOwBunZz

I have a weaker PC than you and yet I pass.
I wonder why?

Maybe it's called CanYouRunIt. Maybe it's DxDiag incorrectly reading your GPU stats. Maybe it's both.

Either way, you have 1GB of memory on your card. GPU-Z should've told you that. If it hasn't, return it as you've gotten a damaged/bad card.

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AkaSnake

Hey Snow , I've asked the guy that built my comp and the card is: RADEON HD 6850

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SnOwBunZz

It should be able to handle it without serious problems.
I've deducted it was a 6850 anyway by looking at the core speed. The 6870 runs at 900mhz.

I guess you didn't really get my previous post to be honest. :/

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AkaSnake

Yea I didn't really get it.

http://imageshack.us/photo/my-images/716/cardq.gif/

Here , the memory size is at 1024mb ( we're good here ) , why is the gpu clock at 775 mhz and same for the default clock?

And on dxdiag the memory is still at 731 MB :/ ( But it does say approx. total memory )

Thanks snow! I'll try my best to understand your next reply

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SnOwBunZz

I can't blame you for it. Internet lacks the intonation that should've gone with that post. :/

Well, DxDiag only tend to say the series and approx memory. It usually is no where near accurate on memory. It's only useful if you have an nVidia card and want to know which one you have. ATI just says the series so it stops there.
It shows that I have 2.7GB on my card. I guess it's caused by me running a dualmonitor setup though I cannot confirm.

Canyourunit basically bases performance on stuff thats CPU-Z let you show. It lacks a human brain and thus if something's read incorrectly, it just says you can't run it (decently), while you probably and most likely even can run it flawlessly.
eg if DxDiag reads 1022mb of RAM on your GPU and the game requires 1024MB.... it doesn't pass on CYRI. -.-

Clocks/MHz just indicate the processing speed. Nowadays it's pretty useless in determining actual performance, as the chip architecture plays a pretty dominant role in it. Hence 'gaming' (high-end cards), 'multimedia' (mid-end cards) and 'graphic development/office' cards (quadro/firegl and low end respectively).
Higher clock speed still gives you better performance, but it usually will not give it enough power to beat the next generation on the same spot on the hierachy. (eg OC gtx460 vs gtx560)

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