Amex Platinum is the luxury lounge-crawling status card; Venture X is the lean, mean travel rewards machine. Most people will get more value from Venture X's lower fee and simpler rewards.
The Amex Platinum was introduced in 1984 and was literally made of metal before metal cards were cool — it was basically the iPhone of credit cards, until everyone got one.
You fly constantly and live for lounge access and hotel status
Amex Platinum's lounge network and automatic Hilton/Marriott Gold status are unmatched for road warriors who can actually use all the credits.
→ Pick Amex PlatinumYou want premium perks without a spreadsheet to justify the fee
Venture X's credits are easy to use, the 2x on everything is refreshingly simple, and the effective annual cost is under $100.
→ Pick Capital One Venture XYou want to add a partner or spouse to your card
Four free authorized users with full lounge access vs. $195/user on Amex is a no-brainer for couples or families.
→ Pick Capital One Venture XYou're a points transfer partner power user chasing aspirational redemptions
Amex Membership Rewards has deeper airline transfer partnerships and better sweet spots for business and first class awards.
→ Pick Amex Platinum