Upgrading from a 4850 with a 500W PSU.

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xenobreak

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I'm planning on replacing my current 4850 (512mb) with a new video card as i think its starting to poop out. My 500W PSU came with my case so i'm not sure how good it really is... i haven't had any problems with it yet though.

What is the best video card i could get that would work with only 500W?

My Current System:
Case (came with 500w psu): http://www.newegg.com/Product/Product.aspx?Item=N82E16811156062
Some super meh foxconn mobo: http://www.newegg.com/Product/Product.aspx?Item=N82E16813186141
4GB DDR2 1066: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231166
ASUS 512mb 4850: http://www.newegg.com/Product/Product.aspx?Item=N82E16814121272
500GB HDD: http://www.newegg.com/Product/Product.aspx?Item=N82E16822152052
CD/DVD Drive: http://www.newegg.com/Product/Product.aspx?Item=N82E16827151173
Phenom II X4 955: http://www.newegg.com/Product/Product.aspx?Item=N82E16819103674
Windows 7 64bit
 
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xenobreak

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I took a picture with my phone. Hope this is what you needed...

45188488582884477809934.jpg
 
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4745454b

4745454b

Titan
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On the pictures at newegg its an RX-500s just like you have. 22A is horrible for a "500W" PSU. (I was just answering someone question about a Seasonic 400W PSU and it has 30A.) In addition I noticed it has one of those ancient voltage select switches on the back. In short, your PSU is junk and should be replaced.

You got a good CPU so no worries there. Are you looking for a direct replacement or do you want an upgrade? What resolution do you game at, and what budget do you have?
 
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xenobreak

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So i was just reading through this thread: http://www.tomshardware.com/forum/279391-28-power-requirements-specs-popular-graphic-cards-guide

It has the 1GB 4850 listed as:
Power Consumption at Idle: 58 watts
Power Consumption at Full Load: 187 watts

So assuming the 512mb version uses either less or the same and worked fine for me, then i could probably run any card listed in that thread that uses less or similar wattage?

Like any of these?
GTX 460
5770
5830
5850

Also for the cards that require more than 1 PCI-E connector... i assume the cards that require more than 1 might come with one i can connect to an empty molex? Im not sure though...
 
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4745454b

4745454b

Titan
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The 5770 would be fine. I'm not sure how well those others would work on a 22A rail.

Edit: Let me try to explain why I'm worried about the 22A 12V rail. The 12V rail needs to supply power to the CPU, and GPU. 22A * 12V = 264W. You only have 264 usable watts for this task. You have a 125W CPU, so your GPU needs to use 139W or less. (you probably don't want to stress that old PSU to much...) The TDP of the 5830/5850 and GTX460 is around 175W depending on the card. You simply don't have enough power.
 
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xenobreak

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Well my current 4850 is doing this weird skipping thing... runs smooth as butter except it seems to skip a frame every 1-2 seconds. I tried turning vsync on with no success (tried forcing vsync with the catalyst control center too). It never used to do this until just a few months ago.

Even so its starting to get outdated as i cannot play newer games on high settings with it. I'm basically looking for an upgrade... oh i game at 1920 x 1080 resolution.

I'm pretty damn poor so i'm stuck in the $200-300 range =/
 
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amirp

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apparently a gts 450 is due to be out very soon, my best advice would be to wait until it comes out and decide between that and a 5770, they could possibly run on that power supply since both of those cards are low power,
im not sure if they will be a large enough step-up from the 4850 tho, your next and pretty much only option in that range is the 768mb gtx 460 or if you have some more dough the 1gb version is a bit better (the 1gb version shines most in sli)
just dont buy a palit version of the gtx460
 
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xenobreak

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I have cleaned it many times with no results. I also checked the temps and everything runs pretty cool.

So i'm conflicted between a gtx 460 and a 5770. I know the 460 is better but i would need to save a little more for that (unless the 460 will work with my current PSU).

gtx 460 (229.99)
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333

5770 (169.99)
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102858

Also im not sure which PSU would be best out of these if i need a new one...

Antec 520W (59.99 + 5.99 shipping): http://www.newegg.com/Product/Product.aspx?Item=N82E16817371030

This one has a single +12V at 40A

Antec 500W (64.99): http://www.newegg.com/Product/Product.aspx?Item=N82E16817371007

This one has two +12V rails at 22A each... does that mean 44A?
 
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4745454b

4745454b

Titan
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No. I have that EA500W in my computer right now. It can do 34A total. Its not a bad unit, but not very efficient when compared to the models out now. I'd probably go with the neo, its got a bit more power.

Is there a reason why your getting a 5770 thats so expensive? The cheapest 5770 newegg shows is $130, they have a nice looking HiS for $140 after $10 rebate.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814161338
 
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xenobreak

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I figured the ones with the most reviews were the best haha. Im confused how there are so many with the same specs but there could be a $40 price difference between them. Some are super small and have very little casing, while other shave smaller fans and such... i never know which to pick so i usually just go with the most reviews/best rated item. For the 5770 it seems to be that Sapphire model lol

So i may go with the Sapphire 5770 and the Antec NEO 520W PSU... comes out too $235.97. Right in the middle of my budget so i think i'm ok with it haha.
 
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Guest

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Well my current 4850 is doing this weird skipping thing... runs smooth as butter except it seems to skip a frame every 1-2 seconds. I tried turning vsync on with no success (tried forcing vsync with the catalyst control center too). It never used to do this until just a few months ago.
Click to expand...

The PSU may be the only problem here. Have you tried the GFX card in any other computer? PSU`s degrade over time and it seems this one may be inadequate anyhow.
To replace your current GFX card, you will need a PSU anyway. So, replace that first and then see what your GFX Card does.
 
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WR2

WR2

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Nov 18, 2005
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Corsair 650TX is an awesome PSU and a relative bargain. It's also quite a bit more powr than you need for a GTX 460 and the rest of your parts.

Look at the OCZ ModXStream Pro OCZ600MXSP 600W PSU. $70 before $10 off w/ promo code EMCYWZX24, ends 8/25. And $20 rebate. Plus free shipping.
And a good review shows you it can put out an honest 600W of power. OCZ ModXStream Pro 600 W Power Supply Review @ Hardware Secrets
 
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xenobreak

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The only reason i want to get that Corsair one is my friend can get it at best buy for $81 with his discount. Also when i do upgrade my video card i will probably get a 5870 or something similar. I figure the 650W with a good 12V rail would be a good idea for then...


I wont be able to get it for like a week so by then that OCZ deal will be over =/
 
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WR2

WR2

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The Corsair 650TX is a great PSU. Plenty of power for dual 5850s in CrossfireX.

You can't just add the amperages listed in the +12V1, +12V2, etc rails (shows 25 and 25 in the example below).
Look for the Combined Max 12v wattage. Then divide by 12(volts) to get Amperage.

Example: 504watts of combined +12v = 504watts divided by 12volts = 42Amps.
17-341-017-Z05
 
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