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how much vram do I need

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Last response: in Graphics & Displays
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October 25, 2013 9:50:55 AM

I'm about to buy a gpu and I don't know how much vram I should get. I want a 7850, and I would need to pay about 20 more pounds If I went for a the 2gb. I'll be playing on a single monitor, no more than 1920x1080.

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October 25, 2013 9:53:50 AM

2gb is enough bro. You meant you'll pay more if you went for the the 4gb? You only need more vram when you game on multi monitor.
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October 25, 2013 9:59:36 AM

adimeister said:
2gb is enough bro. You meant you'll pay more if you went for the the 4gb? You only need more vram when you game on multi monitor.


I meant that I would need to pay more if I went for the 2gb version instead of the 1gb version.
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October 25, 2013 10:11:59 AM

deerhunter113 said:
adimeister said:
2gb is enough bro. You meant you'll pay more if you went for the the 4gb? You only need more vram when you game on multi monitor.


I meant that I would need to pay more if I went for the 2gb version instead of the 1gb version.


Your choice really. There are very few games that go above 1gb on vanilla files (no mods). Crysis 3 is a popular exception.

The 7850 with a little OC and 2GB of vram should be able to handle just about anything.
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October 25, 2013 11:45:14 AM

I see. Well IMHO, game that will come out this year and next year will use more VRAM. So why not invest if you're going to buy now. If I were you, I wouldn't risk going cheaper on my GPU for 20pounds if the games are getting "complicated".
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October 25, 2013 11:55:51 AM

1GB is enough for almost all games that are out, 2GB is for the future or better cards. What is your budget and your PSU, CPU? With 7850HD 2GB you would get around 1-2% more fps and at this resolution 1GB is fine for now.
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October 25, 2013 12:52:42 PM

Well yea 1gb is enough for NOW, as in this month. Well what about next month's bf4, ac black flag, batman origins, etc.. Up to you if you want to save 20pounds bro. ;) 
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October 25, 2013 5:15:10 PM

I view the need for graphics vram much the way I view system ram.
You need enough to keep most of what you need in the vram or suffer the performance penalty of refreshing it.
In the case of system ram, a page fault requires a hard drive I/O access. That takes a relatively long time.
In the case of vram, needing something no in vram requires a transfer from system ram via the pcie interface.
The pcie interface, even the older 2.0 version is considerably faster than the sata interface for hard drives.
Thus, not having sufficient vram is a performance issue, but a very small one.
No doubt, more vram is better. But... how much will performance be improved, and at what price?
My take is to use the price difference towards a stronger graphics card in the first place.
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