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rjahrman
12-14-04, 07:39 PM
I'm considering an XFX 6800 NU. I only have 512MB of RAM, would this limit what I can do with the card? Would I want to upgrade my RAM (or consider a cheaper card)?

rjahrman
12-14-04, 07:41 PM
Also, if I would mainly be in 1280x1024, would I want to consider the GT?

einstein_314
12-14-04, 07:45 PM
What are the rest of your specs? 512MB will by no means limit you. What kind of games do you play?

Mud
12-14-04, 07:54 PM
1280x1024...then yes, a NU will limit you. 512MB is healthy, but for top settings you want 1GB. depends on how much eyecandy you want.

Faster
12-14-04, 08:16 PM
512mb will be fine for most things.

However Steam, the HL2 client really sucks when it comes to hogging resources, also HL2 really needs some ram too. Any other game would be fine with 512 but I recommend 1gig for Steam/HL2.

With 512mb make sure you turn everything off before you play. No MSN, AIM, mIRC running in the background.

rjahrman
12-14-04, 08:37 PM
I have an Athlon 2600+. My top games would be Far Cry, HL2, Doom 3--FPS's are what push my specs.

At 1280x1024, how much of a difference would it make between the NU and GT? And how much of a difference would a gig of ram make? (What if I got an NU, but upgraded my RAM?)

-=DVS=-
12-14-04, 09:06 PM
New games like Doom3 , FarCry will eat 512 megs of ram instantly and ask for seconds , 6800 NU is fine card , but at 1280x1024 with AA and AF will choke.

Usually when you have to little ram , game will use Virtual Ram and hammer your harddisk , thats where one type of stuttering comes from.

Your CPU is even bigger bottleneck , buy NU and save for CPU upgrade ;)

Slammin
12-14-04, 09:32 PM
Video card ram will affect how much AA and Ansio you can use at higher resolutions. System ram will determine how smooth your system will handle games that hunger system ram.

As trends go, I would say that 1GB system ram is optimal these days, though me being a flight simmer, I may need two gig sys ram before non-flight simmers will.

Really, doing the upgrade game sucks because there always seems to be a deficiency somewhere.

But, a 6800 GT, gig ram, P4 3.0+ is pretty much top of the line at this point, and of course if you go AMD, your mileage could be even higher right now.

dsessom
12-14-04, 09:55 PM
For gaming in your situation, I would go with a 6600GT and a gig of Corsair LL (low latentcy) memory as opposed to a 6800GT and 512MB.
Having a gig of LL memory would improve your overall system performance, maps will load faster, and game play will be smoother.

rjahrman
12-14-04, 10:05 PM
So, if I understand correctly, a 6800 is usually better than a 6600 GT and worth the money (at least that's what I've read in other forums), but at higher resolutions the 6600 GT will perform better?

dsessom
12-14-04, 10:19 PM
Yes, especially if you have 1gig of ram instead of 512MB.

MustangSVT
12-14-04, 10:38 PM
Lol, Corsair LL ram is worthless. It doesn't provide any performance over cheap a cheap $150 pack of gig. A 6800GT + 512MB will SLAUGHTER a 6800nu + 1gig any day.

Faster
12-14-04, 11:07 PM
Lol, Corsair LL ram is worthless. It doesn't provide any performance over cheap a cheap $150 pack of gig. A 6800GT + 512MB will SLAUGHTER a 6800nu + 1gig any day.

This is very true. I had 512mb of TwinX Low Lactency and I sold them cause they are way expensive and got 2x512mb sticks of kingston 3-3-3-7. And there was no proformance difference, but half the price. Also I had DDR400 and I got DDR466 which allowed a better Overclock. :)

Rytr
12-14-04, 11:07 PM
I don't agree the Corsair LL ram is worthless as they offer good low latency ram chips on quality pcb's. I do agree if you have a pair of ram that cost $150 and works well you have just saved yourself $150 over a pair of 512MB Corsair. However, I have seen the time when I would gladly pay the extra $150 to get rid of the headache.

kahloq
12-15-04, 12:23 AM
Lol, Corsair LL ram is worthless. It doesn't provide any performance over cheap a cheap $150 pack of gig. A 6800GT + 512MB will SLAUGHTER a 6800nu + 1gig any day.

That is 100% correct


Buy the 6800 GT over 6800 NU and definitly over the 6600GT if the cost of the 6800GT isnt really an issue. You'd be better off with the 6800 GT= longer life for gaming before it starts to choke on new games like in 2006/2007.
Once you get that card, your next upgrade should be the memory. 512MB isnt expensive at all anymore, just make sure you match the same type of ram you got already for best compatibility. Trying to use low timed memory alongside standard memory doesnt generally work as well as just using identical to what you got already.

Rytr
12-15-04, 12:51 AM
Speaking of quality ram prices this does not look bad at all for <$140 shipped for 2x512MB: http://www.newegg.com/app/viewproductdesc.asp?description=20-146-299&DEPA=0

ChrisRay
12-15-04, 12:57 AM
Video card ram will affect how much AA and Ansio you can use at higher resolutions. System ram will determine how smooth your system will handle games that hunger system ram.

As trends go, I would say that 1GB system ram is optimal these days, though me being a flight simmer, I may need two gig sys ram before non-flight simmers will.

Really, doing the upgrade game sucks because there always seems to be a deficiency somewhere.

But, a 6800 GT, gig ram, P4 3.0+ is pretty much top of the line at this point, and of course if you go AMD, your mileage could be even higher right now.

Well AF wont effect video memory. Just Fillrate. AA will use a large frame buffer though, I'm not quite sure the exact amount but 4x AA uses like 40 Megs of memory.

ynnek
12-15-04, 01:02 AM
FarCry kept paging to the HD ingame.. Thats when I decided to buy another gig of ram to total 1.5. never looked back.

Dazz
12-15-04, 06:31 AM
It depends, the diffrence in fps from 512MB and 1Ghz is pretty much none but it will be alot smoother on 1GB. Personally 512MB is too little for me, i gone from 512MB to 1GB for UT2004 and running on highest detail the diffrence between the the two is HUGE! But thats the UT engine for you. Unreal 2 on highest settings uses 780MB to it's self if there is enough spare and thats an old game. Heck even right now Windows is using 460MB for WinXP Media Centre edition and applications.

boro
12-15-04, 08:28 AM
Having 1GB instead of 512MB is nice but not really necessary at this point. It won't influence fps except for less stuttering. Though I must admit for playing Doom 3 at high res/ultra quality/with AA you really want a gig or the game stutters at every door you enter. Having more than 1GB in most cases is overkill.

The effect of low latency ram is not that much, generally speaking maybe 2-3% (so that's 1-2 fps ) compared to value ram. For that price you're better off with a better video card which will yield a lot more performance.

Mud
12-15-04, 01:18 PM
Having 1GB instead of 512MB is nice but not really necessary at this point. It won't influence fps except for less stuttering. Though I must admit for playing Doom 3 at high res/ultra quality/with AA you really want a gig or the game stutters at every door you enter. Having more than 1GB in most cases is overkill.

The effect of low latency ram is not that much, generally speaking maybe 2-3% (so that's 1-2 fps ) compared to value ram. For that price you're better off with a better video card which will yield a lot more performance.

stuttering pisses me off more than a low framerate. i think the main issue i have with my 6800 is the average frame rate is high, but so is the amount of stuttering. for me 1GB is the lowest i'll go, although going higher reaps very little reward.

Decimator
12-15-04, 01:33 PM
I was a bit sceptical about whether or not 1 GB of RAM was really necessary, but I used a program called Memokit which produces a graph showing your RAM usage for the last 10 minutes/1 hour/whatever and conducted a few tests with the game I play the most - Battlefield Vietnam, anyway it turned out that it was using 760+ MB of RAM with the graphics settings on full. The fact that you're not paging all the time definitely smooths out the framerate.

In the attachment, Section A of the graph is just Windows running, B is with Medium graphics setttings and C is with the Highest settings. (cheers)

rjahrman
12-15-04, 06:31 PM
So, XFX 6600 GT is $229 (buy.com), but a XFX 6800 GT is $415 shipped (newegg). Is it really worth the ~$200 difference? Or should I spend the extra on something else? Basically, would I get better performance from a 6600 GT w/ 1GB or the 6800 GT w/ 512MB?

dsessom
12-15-04, 07:50 PM
Two questions:

What speed and brand of memory do you have now?

and

How much money do you have to work with?

Faster
12-15-04, 07:55 PM
So, XFX 6600 GT is $229 (buy.com), but a XFX 6800 GT is $415 shipped (newegg). Is it really worth the ~$200 difference? Or should I spend the extra on something else? Basically, would I get better performance from a 6600 GT w/ 1GB or the 6800 GT w/ 512MB?

Total answer is 6800GT and 512mb.

However if you have a Slow CPU then that might limit your 6800GT from really going ahead.

Like I said if you have 512mb just cut all other programs, Do not allow anything to run in the background, etc. This will allow your computer to run fine with 512mb. The 6800GT will kill the 6600GT anyday. But you will in the future have to think about getting another 512mb. Specialy as programs need more and more ram.