Amex Blue Cash Preferred vs Discover it Cash Back
Claire's comparison · June 2026 · Last verified June 2026
Claire's Quick Verdict
Amex Blue Cash Preferred (8.3/10) wins for most people. Discover it Cash Back wins for a specific profile.
Side-by-Side Comparison
Who Should Choose Amex Blue Cash Preferred
Families spending $250+/month at US supermarkets. Best grocery card. 6% is the highest available. Math works at $250+/month.
Who Should Choose Discover it Cash Back
First credit card / building credit. Best first card. Year-one Cashback Match doubles every dollar earned.
Claire's Final Verdict
Amex Blue Cash Preferred is Claire's recommendation for most people reading this comparison. Score: 8.3/10. Best grocery card. 6% is the highest available. Math works at $250+/month.
Discover it Cash Back (7.6/10) is the right choice for a specific situation: first credit card / building credit. If that describes you, the full review has the complete math.
Frequently Asked Questions
Which is better: Amex Blue Cash Preferred or Discover it Cash Back?
Amex Blue Cash Preferred (8.3/10) wins for most people. Best grocery card. 6% is the highest available. Math works at $250+/month. Discover it Cash Back is the right choice if: first credit card / building credit.
What is Claire's score for Amex Blue Cash Preferred?
Claire rates Amex Blue Cash Preferred 8.3/10. Verdict: Best grocery card. 6% is the highest available. Math works at $250+/month.
What is Claire's score for Discover it Cash Back?
Claire rates Discover it Cash Back 7.6/10. Verdict: Best first card. Year-one Cashback Match doubles every dollar earned.
Who should choose Amex Blue Cash Preferred?
Families spending $250+/month at US supermarkets.
Who should choose Discover it Cash Back?
First credit card / building credit.
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