upgrade

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upgrade

Postby webby117 » Mon Aug 31, 2009 7:29 pm

im thinking of upgrading to a Nvidia 275 GTX if anyone can think of a similar gfx card preferably at a lower price please tell me
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Postby Cpt.Miller » Tue Sep 01, 2009 10:18 am

Before you buy a 275 or what ever make sure your power supply can handle it. I would recomend having atleast 700 watts and 42Amps on the 12 volt rail. If you just got a standard psu i doubt very much that it will be powerfull enougth to run a 275. Let me know what you have and i will tell you if it will power a 275.

If it's not got the power, you will be looking at around £70 for GOOD psu.


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Postby phdtje » Tue Sep 01, 2009 11:02 am

Is he going to run SLi? :)

It has been a while for me but i thought the GTX 275 is more efficient than the GTX 28(x).

I think a good 600W should be enough, like antec stuff, etc. So no cheap brand like i'm using, works fine here though with an HD4850 and an AMD Phenom X4 OC'd, bout max 140W cpu power and 120W gpu power consumption.

Here read some reviews, a HD4890 OC is a good card as well.

http://www.guru3d.com/article/geforce-gtx-275-review-test/5

http://www.legitreviews.com/article/944/1/

http://www.xbitlabs.com/articles/video/

etc...

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Postby webby117 » Tue Sep 01, 2009 12:08 pm

i have a 600 watt psu atm, but i've been wanting to upgrade to about 850 soon as well
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Postby phdtje » Tue Sep 01, 2009 12:42 pm

Is it necessary? If it's a quality brand it should be sufficient enough, unless you have raid 0 setup with 8 standard HDD's and a core i7 965 OC'd. Well you can always upgrade, then you'll have a spare psu.

here are some other more recent reviews:

http://www.firingsquad.com/hardware/gigabyte_gv-n275ud-896h_geforce_gtx_275_review/page3.asp

http://www.elitebastards.com/index.php?option=com_content&task=view&id=741&Itemid=27

Keep in mind that especially the crisis engine is really based on nVidia gpu cores,
Ask yourself what are you going to play, using cuda physix or not? Not so many physix games yet, still fun.
Opencl most certainly will totally replace cuda, opencl is already intergrated in cuda. Cuda is used for the physics and for physics-graphics load balancing. Opencl does the same only with a friendlier open approach for developers.

The way it's Gforced to be developed...
click, click, click, etc
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Postby webby117 » Tue Sep 01, 2009 3:10 pm

iirc i have an OCZ PSU and i've had no troubles so far, also looking at the power usage the 275 takes 219 watts at max load

so technically my psu is powerful enuf
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Postby Cpt.Miller » Tue Sep 01, 2009 5:07 pm

Webby, you cant go by watts with todays graphics cards. There should be a sticker on the power suply, post here what it says or tell us the model number.

Miller


Webby, you cant go by watts with todays graphics cards. There should be a sticker on the power suply, post here what it says or tell us the model number.

Miller

Just checked and is this your psu?

http://www.ocztechnology.com/drivers/600wchart.JPG

If it is then i dont think it will be up to it :(

It does have enougth watts but as i have said my 275 needs 42 amps. I know it says in picture 12v1=18A, 12v2=18A ect...
but having 4 * 12v 18A does not mean it will deliver 72A. The 275 has 2 pci-e power conectors so it can use 2 of the 4 12 volt rails, giving you a max of 36 Amps, if you apply ohms law (wich you should do as these are separate 12v rails) then it's more like 30 Amps.


You could try it with your current psu but dont be suprised if it fails to deliver the power needed
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Postby sargent sam » Tue Sep 01, 2009 7:14 pm

AHHH i remeber the last time i got advice from PHd and graphic cards :lol:
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Postby Keiser Soze » Wed Sep 02, 2009 9:24 am

As for GFX i will never go with nVidia gfx... things i need it to do it doesn't and drivers and/or apps with it are crashing in certain situations.

But it might depend from user to user i would say.

ATI gfx was always working great, never had problems like described and updates always worked smoothly. With performance they are equal, not sure about the money in between.
And even supporting theater mode that I'm very eager to have except playing games performance. Suppose nVidia got that back after numerous complaints from customers of 8 series of their gfx. (bastids :evil: )
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Postby webby117 » Wed Sep 02, 2009 12:26 pm

well im not above getting a new psu and tbh i was worried that my current one might not do, also, i was thinking ATI but the equivalent is a 4890 which after research uses more power then the 275
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Postby webby117 » Fri Sep 11, 2009 2:27 pm

its been a while since i've done electronics and my current PSU has only 1 PCI connection but the 275 needs 2 but i do have an adaptor so all together im just wondering whether i should just give up with this whole idea XD
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Postby sargent sam » Fri Sep 11, 2009 7:44 pm

this is my tip if u have intel board go down the nvidia route , if u want to save money go for amd chip and ati card but in my experience microstoft tends to favour intel and nvidia and work better :)
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Postby Dutchman » Fri Sep 11, 2009 7:51 pm

Who are you and what have you done to Sam?! :shock:
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Postby webby117 » Fri Sep 11, 2009 10:59 pm

but in my experience
be fair dutchy he's got alot of this then me or you XD and tbh i do wish to stay with nVidia and Intel
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Postby Cpt.Miller » Sat Sep 12, 2009 10:54 am

Yes, the card does come with an adaptor that converts two normal HDD/dvd drive power connectors to PCI-e.

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