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What are the major factors that decides which graphic card is the superior one?

#1DeathHopePosted 11/10/2013 11:58:09 PM
Hello folks,

I'm thinking of getting an upgrade for my current card (HD 6850) but I'm not really sure what to look out for.
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PSN ID: EternalWrath
#2KabtheMentatPosted 11/11/2013 12:03:52 AM
What resolution are you going with? If it's 1080p then 2-3GB of VRAM is good.

After that clock speeds.
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#3DeathHope(Topic Creator)Posted 11/11/2013 1:19:59 AM
Yes, i intend to run things at 1080p

Using this example here:
http://www.amd.com/us/products/desktop/graphics/7000/7790/Pages/radeon-7790.aspx#3

could you point me to the VRAM spec? I'm not really sure which one is it
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PSN ID: EternalWrath
#4mccue166Posted 11/11/2013 1:24:52 AM
Where it says 1GB GDDR5
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#5KabtheMentatPosted 11/11/2013 1:41:32 AM(edited)
"1GB GDDR5 Memory " = 1GB VRAM

You'll want something that's 2GB, or even 3GB if you can afford it. But a good 2GB card should do well at 1080p with a single monitor.

How much are you looking to spend? If you give us that info, then someone on the board can probably point you towards the best card at that price.

Edit: Just to give you an idea of performance. That card you linked has decent clock speeds, but 1GB VRAM. I have a 7850, which has somewhat lower clock speeds, but has 2GB VRAM, thus my 7850 will get superior performance at 1080p vs. the 7790. But if I played at lower resolutions, then the 7790 might do better than my 7850. I can overclock my card to give it better performance at lower resolutions, but no matter how much you overlock the 7790, it won't do as well as the 7850 at 1080p.

And 720p on a PC monitor...EWWWWWWWW. That's fine for console gaming on regular TVs, but not PC gaming IMO.
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#6EpicKingdom_Posted 11/11/2013 2:09:37 AM
KabtheMentat posted...
What resolution are you going with? If it's 1080p then 2-3GB of VRAM is good.

After that clock speeds.


What is the best available singe GPU card that can handle 1440p? Budget preferred.
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#7KabtheMentatPosted 11/11/2013 2:16:15 AM
Uh, my guess would be something like a 780 or one of those newer R9s.
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#8SnadadosPosted 11/11/2013 2:37:12 AM
KabtheMentat posted...
What resolution are you going with? If it's 1080p then 2-3GB of VRAM is good.

After that clock speeds.


Clock speed isn't that big a deal.
The higher end, more powerful graphics cards often have a little lower clock speeds but many more stream processors / cuda cores while the less powerful cards with fewer processors / cores have higher clock speeds.

Honestly, the easiest way to tell what card to get is to get the highest model number of a card in the current series with in the budget you set.

Example:
The 700 series is the most current series from Nvidia and the R7 and R9 are the newest AMD series.
In the 700 series 780ti > 780 > 770 > 760.
AMD it is R9 290x > 290 > 280 > 270 then R7 260 > 250 > 240.

Currently AMD looks to be offering the best performance to price ratio for graphics cards so if you have no preference towards Nvidia an AMD card is likely the best choice.
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#9dekouPosted 11/11/2013 3:02:56 AM
Video game benchmark results at the resolution you'll be using are what matters in practice.
#10DeathHope(Topic Creator)Posted 11/11/2013 3:12:21 AM(edited)
I am planning to lead towards the AMD cards as well as nVidia cards is a tad more expensive here.

On a side note, how does the I5-2500 processor pair up with these graphic cards? Will the processor hold back all these graphic cards?
and
How do i determine a good motherboard? What are the things to look out for?
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PSN ID: EternalWrath