Samsung Galaxy S23+ 256GB unlocked typically costs $5.70 less than Samsung Galaxy S22 Ultra 128GB unlocked on eBay right now ($280 vs $285 median asking price, item + shipping). Per GB storage, Samsung Galaxy S23+ 256GB unlocked is cheaper: $1.09 vs $2.23. Prices from filtered US eBay listings, checked twice a day; asking prices, not sold prices. How we price.