need recommendation selecting ultrawide monitor

Sep 9, 2018
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hi i found this on online store

LG 34UC98 - $630
-new unit, old stock, box opened
-official warranty 3 months, return/exchange/refund

SAMSUNG CF791 - $500
-used unit, one white pixel,
-still have one month remaining warranty
- also im concerned about freesync flicker since im using amd card

for comparison , the new unit price in my country is
LG 34UC98 - obsolete
LG 34UC99 - $867
SAMSUNG CF791 - $667


which one worth to get?

thanks