Citi® / AAdvantage® Platinum Select® vs Discover it® Cash Back

Citi® / AAdvantage® Platinum Select®
VS
Discover it® Cash Back
The short answer: The Discover it® Cash Back delivers a bit more value for most spenders, but choose the Citi® / AAdvantage® Platinum Select® if you spend more on dining, gas.

Side-by-side comparison

Citi® / AAdvantage® Platinum Select®Discover it® Cash Back
Annual fee$99No annual fee
Welcome offer80,000 American Airlines AAdvantage® miles after $3,500 in 4 monthsCashback Match, all cash back earned in year 1 doubled
Dining2x1x
Groceries1x1x
Gas2x1x
Travel1x1x
Streaming1x1x
Everything else1x1x
Est. yearly rewards*$343$292
Points typeLocked to American Airlines AAdvantageCash back only
NetworkMastercardDiscover

*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.

The verdict

On a typical year of household spending, the Citi® / AAdvantage® Platinum Select® earns about $343 a year in rewards and the Discover it® Cash Back about $292, valuing every point at a flat 1 cent. The Citi® / AAdvantage® Platinum Select® charges $99, which you clear through its rewards and perks. The Discover it® Cash Back has no annual fee, so its rewards are all profit. Counting rewards, fees, and any credits, the Discover it® Cash Back delivers more total value, about $47 a year more for a typical spender, mostly because it skips the annual fee the other charges. Neither leans on transferable points, so the deciding factors are the welcome offer, the card network, and which everyday perks you will actually use. On the sign-up bonus, the Citi® / AAdvantage® Platinum Select® currently has the larger welcome offer. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.

Pick the Citi® / AAdvantage® Platinum Select® if your spending leans toward dining, gas.

Read the full reviews

Frequently asked questions

Is the Citi® / AAdvantage® Platinum Select® or the Discover it® Cash Back better?
On typical household spending, the Discover it® Cash Back comes out ahead, by roughly $47 a year with every point valued at a flat 1 cent. But the Citi® / AAdvantage® Platinum Select® can be the better fit if your spending lines up with its stronger categories. Run both through the Cardocrat calculator to see your own numbers.
Can I have both the Citi® / AAdvantage® Platinum Select® and the Discover it® Cash Back?
In most cases yes, as long as you meet each issuer's approval rules (for example Chase's 5/24 rule). Many people hold complementary cards to cover more bonus categories, then pool or redeem the rewards together where the program allows.
Which has the better welcome bonus, the Citi® / AAdvantage® Platinum Select® or the Discover it® Cash Back?
As of June 2026, the Citi® / AAdvantage® Platinum Select® offers 80,000 American Airlines AAdvantage® miles after $3,500 in 4 months and the Discover it® Cash Back offers cashback match, all cash back earned in year 1 doubled. Welcome offers change often, so confirm the current offer on each card's page before applying.