Gadgetist
A gadgetist is someone who thinks they're rich just because they own 10 phones and still buy new ones every month.
"I have 5 phones. One for each day of the week. You have one phone. You're broke."
"I dropped my phone in the toilet. It still works. Your phone broke when you sat on it."
"I have a phone that takes photos. You have a phone that takes photos. But mine is 5 times better. You're a loser."