[SOLVED] Buy used rx570 ?

Nov 15, 2019
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Recently i bought a new psu (corsair vs450w) as my old one was having some problem and so i decided to upgrade my gpu too. One of the local shops around me is selling a gtx1050ti in 6500inr(around 90$) with 1.5years warranty and so decided to order it but than he told me about rx570 which he is selling in same price but with of only 2month warranty. Which one should i buy keeping my psu in consideration as its new and i wont be overclocking any component. And my usage is for gaming purpose .. any suggestions?
My specs:
2*4gb ddr3 ram
Asus h61m-cs mobo
I5 3450 3.1ghz
Corsair vs450 psu
5400 rpm hdd(1)