HD4850 1GB vs 512MB - AVS Forum
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post #1 of 11 Old 08-25-2008, 06:51 PM - Thread Starter
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ok I don't want to spend more than $220-240 on a vid car. But is the
1GB version of the 4850 better than the 512MB for playing games @1080p?
Thanks in advance!

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post #2 of 11 Old 08-25-2008, 06:58 PM
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Of course it's better. Not twice as good..but certainly much better at HD resolutions.
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post #3 of 11 Old 08-25-2008, 08:02 PM
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Increased memory like that is mostly for higher resolutions, but I am not sure if the 4850 will just lose steam at those resolutions. Checking out benchmarks is really the only way to be sure.
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post #4 of 11 Old 08-25-2008, 08:04 PM
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At 1080 ... no. The 4850 with 512 is fine for anything under 1920x1200. But rem it also depends on the game. For the extra money over the 1gb get the 4870 instead.

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post #5 of 11 Old 08-25-2008, 09:12 PM
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I'm with tinker get the 4870

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post #6 of 11 Old 08-26-2008, 01:42 PM - Thread Starter
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The 4870 is just above my budget but is also and awesome card for the price:
With so many choices this is getting hard
4850 512MB- $175
4850 512MB toxic O.C. (675mhz)-$199
4850 1GB-$229
4870 512MB-$270

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post #7 of 11 Old 08-26-2008, 09:52 PM
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Quote:
Originally Posted by SAVholic View Post

The 4870 is just above my budget but is also and awesome card for the price:
With so many choices this is getting hard
4850 512MB- $175
4850 512MB toxic O.C. (675mhz)-$199
4850 1GB-$229
4870 512MB-$270

The stock 4850 is the best deal for price to performance, but I went with the HD Toxic due to higher OC capabilities and better cooling than a stock 4850.

IMO, 1GB is not going to be utilized. Go with stock or Toxic.

Unless ofcourse you can get the 4870


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post #8 of 11 Old 08-27-2008, 09:26 AM
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Added RAM these days seems to be less about textures and more about the ability to run higher AA levels....which you wont be able to do with that board at 1080p anyways, so I'd go with the cheapest 512 you can find..or...the smarter move..is to move up to the higher performing card.

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post #9 of 11 Old 08-27-2008, 10:57 AM
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The toxic can certainly OC better than the standard versions. I've gotten my Sapphire 4850 to toxic speeds using the stock cooler at 45% (inaudible in my system, runs cool as a cucumber), but the toxic can go much, much higher.. OC'd it will compete with a stock 4870 up until 1920x1200.. probably worth the extra $$ if you plan to OC.
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post #10 of 11 Old 08-27-2008, 11:09 AM
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I did my 4870 fan at 45% and the temps did drop a lot (~40c from about ~74c at idle) but it sounded like a vac cleaner. So I just leave it at default (~20%) for now since AMD/ATI says its safe to idle at 70c+. I guess we will see in the long run if the 4xxx series start to have heat related issue.

Add: waiting for my 30days return is up...then prob will replace the stock cooler with an aftermarket one. Lucky most of the existing aftermarket ATI coolers will fit on the 4xxx series.

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post #11 of 11 Old 08-27-2008, 01:04 PM
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Basically the 4850 with higher than 512mb is a waste.

http://www.guru3d.com/article/radeon...-gddr3-review/

At the resolutions you'd need to play to take advantage of the higher memory, the card simply is not fast enough.
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