Skip to main content
Compare cards

Blue Cash Preferred Card from American Express vs Citi Diamond Preferred

Compare fees, current offers, and listed rewards. Add your preferences to see which card may fit better.

Headline comparison

Blue Cash Preferred Card from American Express leads on the listed facts.

Blue Cash Preferred Card from American Express leads on 2 of 4 headline comparisons: annual fee, estimated welcome bonus, highest listed earn rate, and annual listed credits. This is a starting point; category restrictions and the benefits you actually use can change the better fit.

Choose Blue Cash Preferred Card from American Express if…

Best if you want a stronger international-travel setup with no foreign transaction fee.

Choose Citi Diamond Preferred instead if…

Best if transfer partners and redemption flexibility matter more than simplicity.

Headline comparison · not personalized

This comparison has not assessed your spending or eligibility. Listed credits are potential benefits, not savings; earn-rate caps and redemption choices can change their value.

What leads on the listed facts

  • Blue Cash Preferred Card from American Express wins 2 of 4 comparison categories in CardCurator's quick verdict model.
  • Top earn rate: Blue Cash Preferred Card from American Express reaches 6x; Citi Diamond Preferred reaches 1x.
  • Annual fee: Blue Cash Preferred Card from American Express is $95/yr; Citi Diamond Preferred is no annual fee.
  • Current public bonus values: Blue Cash Preferred Card from American Express ~$300; Citi Diamond Preferred ~$0.

Headline comparison · not personalized

This comparison has not assessed your spending or eligibility. Listed credits are potential benefits, not savings; earn-rate caps and redemption choices can change their value.

What happens after you click: if you use an application link, you will go directly to the issuer or affiliate partner. CardCurator may earn a referral fee, but the ranking here is based on card fit first.
Blue Cash Preferred Card from American Express card art
American Express Cash Back
Blue Cash Preferred Card from American Express
American Express
Citi Diamond Preferred card art
Citi ThankYou Points
Citi Diamond Preferred
Citi

Why you can trust this answer

CardCurator compares measurable card economics first, then uses deeper rewards intelligence from program data, transfer partners, award charts, and live bonuses when a decision depends on the ecosystem behind the card rather than the card headline alone.

Light personalization

Personalize this answer without sharing sensitive data

Start with a few signals that usually decide close matchups: rough monthly spend, your top category, annual-fee tolerance, and whether you already hold either card.

This step is meant to break close ties without asking for uploads, account creation, or exact spending data.

Open Statement Analyzer
Before personalization

Blue Cash Preferred Card from American Express

Assumptions: default assumptions

No personal inputs have been applied. Add your spending focus, fee preference, or current cards to explore how the comparison changes.

Annual Fee
$95/yr
No annual fee
Foreign Fees
None
3%
Signup Bonus
$300 credit
Spend $3,000 in 6 months
No current bonus
Top Earn Rates
  • U.S. Supermarkets 6x
  • Select U.S. Streaming Subscriptions 6x
  • U.S. Gas Stations 3x
1x base rate
Reward Type
cashback
cashback
Pts Value
—
~1.90¢/pt points · industry est.
Key Credits
None
None
Transfer Partners
Cash back only
  • AAdvantage
  • AAdvantage
  • Accor Live Limitless
  • Accor Live Limitless
  • Avianca LifeMiles
  • +35 more

Quick summary

A short version of the comparison with the main differences at a glance.

Blue Cash Preferred Card from American Express leads on 2 of 4 headline comparisons: annual fee, estimated welcome bonus, highest listed earn rate, and annual listed credits. This is a starting point; category restrictions and the benefits you actually use can change the better fit. On raw upside, Blue Cash Preferred Card from American Express tops out at 6x versus 1x for Citi Diamond Preferred. Current signup bonus values are roughly $300 for Blue Cash Preferred Card from American Express and $0 for Citi Diamond Preferred. Summary generated October 13, 2026. Source: https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-citi-diamond-preferred

View source data
Winner
Blue Cash Preferred Card from American Express
2/4 categories · up to 6x
Runner-up
Citi Diamond Preferred
1/4 categories · up to 1x
  • Blue Cash Preferred Card from American Express wins 2 of 4 comparison categories in CardCurator's quick verdict model.
  • Top earn rate: Blue Cash Preferred Card from American Express reaches 6x; Citi Diamond Preferred reaches 1x.
  • Annual fee: Blue Cash Preferred Card from American Express is $95/yr; Citi Diamond Preferred is no annual fee.
  • Current public bonus values: Blue Cash Preferred Card from American Express ~$300; Citi Diamond Preferred ~$0.

Common Questions: Blue Cash Preferred Card from American Express vs Citi Diamond Preferred

Is the Blue Cash Preferred Card from American Express or Citi Diamond Preferred better for dining?

Neither card offers a specific dining bonus — both earn their base rate on restaurant purchases.

Which has the higher signup bonus in 2026?

Blue Cash Preferred Card from American Express currently offers $300 credit (spend $3,000 in 6 months). Citi Diamond Preferred offers No current bonus. Blue Cash Preferred Card from American Express has the larger bonus.

Which card is better for international travel?

Blue Cash Preferred Card from American Express: no foreign transaction fee listed. Citi Diamond Preferred: 3% foreign transaction fee. Check the issuer's current terms before using a card abroad.

Can I hold both the Blue Cash Preferred Card from American Express and the Citi Diamond Preferred?

In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Blue Cash Preferred Card from American Express is from American Express and Citi Diamond Preferred is from Citi, so they're governed by separate bank policies.

Keep Researching

If this matchup is close, the stronger next step is usually to read the full card reviews or use a broader ranking page instead of comparing random pairs one by one.