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Is it worth crossfiring? - Page 2

post #11 of 16
Quote:
Originally Posted by Esperante View Post
I'm sorry you have problems with your 5770's, but I do not. I love my 5770's.
When i first installed them I was having the problem that they pretty much didnt work at all.. first card would be on about 60% load 55 temp while the other card sat on 10% load 40 temp and in games I was getting about 10fps or less. I reinstalled windows with a clean computer, seemed ok for a few days, I wasn't playing much games but when I tested it seem to work fine. Most of the time in WoW and LoL etc I would just run in window mode and have it disabled, this would easily give me 70 fps. There wasn't a whole lot of load on the GPU either and didn't overheat.
That was last week, I didnt play many games throughout the week, and couple days ago I went to CCC and did the auto tune, (because I want to sell this POS), it started going crazy windows shutting down... So i rebooted and set it to factory defaults and disabled overdrive...started playing wow again and after 30mins game shutdown and windows went beserk, if I had of left it, it would have BSOD. I just hit the reset button to play with things.

Basically even though the cards @ stock, it seems to still act as it did when overclocked too far. Now I get 100% load on both, BSOD... and major overheating and I can't seem to fix it. (Apart from smashing them to pieces and asking for a refund.)
post #12 of 16
Thread Starter 
for crossfiring, should I connect both bridges on the cards together or just one?
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post #13 of 16
Quote:
Originally Posted by Black Magix View Post
for crossfiring, should I connect both bridges on the cards together or just one?
Just one.
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post #14 of 16
For Rift turn off or downscale the Anti Aliasing. You should see a massive performance improvement.
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post #15 of 16
There are a number of games out there, namely korean or just poorly coded garbage that won't work well regardless.

Watch your GPU and your CPU (Thread) usage during gameplay with that or other games that you see issues with.

If your GPU usage isn't getting to 99% or at least 95%+ then your likely experiencing either the great poor coding ability of the game creator or another bottle neck CPU etc.

But reinforcing the 8x and 8x... no you will not run into bottle necks, I'm sure being one of the few on a Lynnfield board to run the 8x 8x 1x (5870x2 & Phys X 8800GT) there isn't any CPU bottle necks apparent.


with 5870 I've seen as said above issues in alot of games with AA, (make sure to check your AA specifications in 3D settings in Catalyst, as these are directly linked to how the AA is rendered in game... namely if it is set to Super-sample AA then there is your issue, you should be using Adaptive multi-sample AA ideally from my experience.)


I remember reading several reviews but a 5870 will not bottleneck more then I think 1-2% on 8X bandwidth, I'm sure if I were to hook a 5970 onto a 8X and 8X there would be an issue due to (4x4x) 8X bandwidth split, all in all would likely still work.
Edited by Neokolzia - 3/2/11 at 5:04pm
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post #16 of 16
Quote:
Originally Posted by Black Magix View Post
I'm thinking of upgrading my computer since my performance in games is starting to lack. I was considering throwing another xfx 5870 into my rig and calling it good but would it be worth it?

I'm playing rift and I'm noticing a LOT of video lag while my processor is sitting at 50% across all 4 cores.

Also starting to notice it in metro 2033 and other games. So I'm open to suggestions.
i think you need a new processor not an new GPU
i run BC2 @ 1080P and x8 AF and x16 AA and I’m getting a sold 60 FPS and when there is a lot of expiations i get a 55 FPS - 52FPS

if your GPU not using 100% of its power then your CPU is bottlenecking
    
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