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Worth it to upgrade from ATI 4600 to 5770?

Last response: in Graphics & Displays
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I'd like to trade my 4000 series ATI card for a better card. I think the 5770 would give me a significant FPS bump in online games and still fit in my 300W default Dell power supply.

I use the PC 95% for playing online MMOs, so I do not need a Crysis rig. I'd like to play the new crop of MMOs (FFXIV) at or near max graphics.

Questions:
1) Will the 5770 give me a good bump?
2) Is there a better option?
3) Should I replace my power supply a 450W to open options? If so, which brand?

Current PC:
- MS Windows 7 Home Premium 64-bit
- Intel Core 2 Duo E7200 @ 2.53GHz
- 4.0GB Dual-Channel DDR2 @ 399MHz (6-6-6-18)
- Motherboard: Dell Inc. 0RY007 (Socket 775)
- Card: Sapphire 4600 series / GPU RV730


Thanks for suggestions - trying to get the most bang for buck :) 

More about : worth upgrade ati 4600 5770

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Power supply Expert

I believe Dell mid size and larger desktops use standard ATX power supplies since around 2007 therefore you have lots of options open to you. And yes, you need to upgrade the PSU if you want to install a HD 5770.

To the best of my knowledge, Dell still uses Fortron Source (FSP) as their OEM for PSUs, so here's a FSP 500w PSU for $45+ $9 shipping:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

In that price range I really would not recommend any other manufacturer. At higher price points I would recommend PSUs made by Seasonic since they are basically the premier PSU manufacturer. Or specific PSUs that Seasonic manufactures for other brand names like Antec, Corsair, PC Power & Cooling and XFX.

A good 450w PSUs should be enough for your system and the HD 5770 with a bit of leeway for other future upgrades.
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