Question Is a 250W psu sufficient for a GT 1030 graphic card with i5 processor?

Jun 11, 2019
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My PC:
Processor: i5 7400
PSU: 230V 250W (Brand: iball)
Motherboard: Gigabyte ga b250m d2v
The minimum power requirement for graphic card, as it's written on the box, is 300W system power supply for i7 cpu. As mine is i5, I was wondering if I should get a new psu, or my old one is enough.