This guy is running PUBG with a 1030 and G4560. Your performance should be almost like what's in the video. But, keep in mind, Internet can lie sometimes, lol. Do more research and see if its true.
Also, you know Steam has a refund policy. If you buy a game and dont like it, you can return it for a full refund. Just don't play the game for more than 2 hours and initiate the refund request within a stipulated time. Below article explains the process:
https://support.steampowered.com/kb_article.php?ref=6695-QIKM-7966&l=english...