I want to upgrade the gpu in my older computer, but I don't know if I'll just bottleneck it.

Kobed96

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Jan 12, 2016
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I want to upgrade the GPU in my older desktop but I don't know if I'll be bottlenecking it. It is an Acer aspire AX3400, which has a phenom II x6 1035T (2.6ghz) processor, 4gb ram, a 220W power supply (I know I will need to upgrade the psu, I'm interested in knowing how my processor will handle it).
The gpu it has at the moment is a Radon HD6570, and I am wanting to install an r9 280 or a gtx 950, although I would consider a750ti as that's still a fair step up from Mt current card. I wanted to ask if it would be worth it or if I'll run into some speed issues with my other older parts?
Thanks for your time!
 

Kobed96

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Jan 12, 2016
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I know my power supply would definitely not be enough and I'd need to upgrade that. so you think my processor and the general age of it wouldn't be able to handle it? I'd also consider using a 750ti as that's still a step up, if you think that wouldn't be too much for my existing parts.