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Hi,
I am looking for some information on the output resolution of ATI Radeon 5770 and ATI Radeon 4890 GPU card. I had found some discussions on forums which determine the output of the both cards are different in most of the case. What you think about the same. I am going to get one of those soon in the coming month. And I am going to run a dual LCD monitor on that.
I have a Radeon HD 4000 series card from ATI which is quiet nice. It is a cheaper range of cards which is best use for daily usage. The performance of the same is better. I am using the same from a long time and had found it very helpful. About the resolution issue the card works best with your monitor support. So here you does not need to fear about the same.
AMD ATI Radeon HD 4890 card that provide e good work and nice in performance and price. In comparison to GeForce GTX 280 this is much nicer to use. The frequencies of the Radeon HD 4890 up through the roof for the GPU, 100 MHz above the specification of their fellow RV770 and something important is that the HD 4890 comes with a minimum of 1GB of GDDR5 memory, which is in directly related to the games currently on the market.
The resolution of what you need usually depends on the GPU output. The cards which you are talking about are quiet new and you can simply use them on your system without issues. If you have a proper monitor settings you can calibrate the same without error. All you need is to have a new driver updates with proper setup utility on your system.
The good about ATI Radeon HD 4890 is that it gives you a nice performance with good overclock margin. So here you can perform nice overclocking on the same. Some of the negative points of this card is that the sound has high noise here. Other than this you does need to look out for anything else. Just test the same on your system and then check back.
The HD 5770 of ATI comes with Vapor-X which runs at 860Mhz GPU and also with the 1200Mhz memory support on that. It has a interface of 128 bi memory support which is well balanced and porvide a nice bandwidth of 76.8GB/s. So that is quiet high in displaying the output for graphic media. The HD 4870 needs two 6 pin connector cord while HD 5770 only need one. The power consumption of the same does not cross 108w.
I will go with ATI Radeon HD 5770 which is based on Juniper chip. They offers you 850Mhz of performance which is queit high for the output you are talking about. The GDDR5 is really effective on this. So if you go with 1GB GDDR5 memory support, than that is more than enough for you. It comes with 800 stream processors which is really nice and powerful.