Question Can defragging games on an hdd decrease fps?

Mar 30, 2019
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So I installed GTA 5 yesterday and ran it on low-med settings at 1366x768 resolution, I was getting 33-45 fps. I defragged my hdd today and and ran GTA 5 again expecting the performance to probably increase, and apparently i was getting 25-35 fps at the same settings. Is this possible?


GPU: GT 730 ddr3 4gb
Cpu: xeon e5430
ram: 6gb ddr3 1333
hdd: wd 500 gb 5400rpm