American Express vs. Discover Bank
Compare rates, requirements, and features side-by-side to find the best option for you.
| Metric | American ExpressHigh Yield Savings Account Apr 21, 2026 | Discover BankOnline Savings Account Jan 16, 2026 |
|---|---|---|
| APY | 3.20% | 3.30% |
Est. Earnings | $5,000+$160 $10,000+$320 $25,000+$800 | $5,000+$165 $10,000+$330 $25,000+$825 |
Min Deposit | $0 | $0 |
Snapshot view. Rates subject to change. | ||
Terms | - | Discover Bank is part of Capital One and this account is not open to new customers. |
| Features | FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® SupportedDaily CompoundingRate Changes Often | FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® SupportedDaily CompoundingRate Changes Often |
Market Reality Check
Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.07% APY.
Comparison Analysis
Comparing American Express vs. Discover Bank
Executive Summary
American Express offers a High Yield Savings Account with a competitive APY of 3.20%. This account is online-only and requires no minimum deposit or balance, making it accessible for a wide range of customers. In contrast, Discover Bank currently does not offer any savings products. Therefore, American Express stands out as the clear winner in this comparison.
The analysis is based on current Banksparency database records
* This content is provided for informational purposes only; always verify details with the provider.
Why American Express?
No distinct advantages found vs Discover Bank.
Why Discover Bank?
No distinct advantages found vs American Express.
Shared Benefits
Over a 1-year period, Discover Bank's Online Savings Account pays $10 more interest on a $10,000 balance than American Express's High Yield Savings Account.
*This calculation assumes current rates remain consistent for 1 year and does not include temporary bonuses.
Non-sponsored link to official site
Non-sponsored link to official site
Top Market Contenders
American Express vs. Discover Bank Savings Calculator
You earn $10 more with Discover Bank than American Express on a $10,000 initial deposit for 1 year*.
*This calculation assumes that APYs remain unchanged for 1 year, and takes into account known promo rate periods, but does not factor in bonuses. You can see how often these banks have changed their rates in the Compare Savings Rates Over Time section below.
American Express
High Yield Savings Account
Savings Breakdown
- Interest Earned+$320.00(3.1%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,320.00
Discover Bank
Online Savings Account
Savings Breakdown
- Interest Earned+$330.00(3.2%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,330.00
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Still banking with Chase, Bank of America, or Wells Fargo?
On a $10,000 balance, you're missing out on at least $319 per year in interest.
Both American Express and Discover Bank dramatically outperform the typical 0.01% APY at traditional big banks.
| Feature | American Express | Discover Bank |
|---|---|---|
| APY | 3.20% Verified: 4/21/2026 ↘︎ 0.10%90d Change | 3.30% Verified: 1/16/2026 ↘︎ 0.10%90d Change |
| Product Name | High Yield Savings Account | Online Savings Account |
| Minimum Deposit | $0 | $0 |
| Min. Balance for APY | $0 | $0 |
| Monthly Fee | $0 | $0 |
| Compound Frequency | Daily | Daily |
| Branch Access | None | None |
| Account Type | Online Only | Online Only |
| Physical Branches | None | None |
| Direct Deposit Req. | None | None |
| Checking Bundle | No | No |
| Mobile Apps | ||
| FDIC Insured | YesVerify FDIC | YesVerify FDIC |
| Zelle® Support | Available Requires Amex Rewards Checking; not available for standalone HYSA. | Available Limit: $600/dayStrict 90-day seasoning period for new accounts. |
| BBB Rating | F | A+ |
| Important Notes | - | Discover Bank is part of Capital One and this account is not open to new customers. |
| Next Steps | Visit SiteVerify at American Express Non-sponsored link to official site | Visit SiteVerify at Discover Bank Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | American Express | Discover Bank |
|---|---|---|
| High Yield Savings Account | Online Savings Account | |
Current APY | 3.20% | 3.30% |
Trend | Stable | Stable |
Velocity (bps/mo) | -3.8 | -3.5 |
Days Since Change | -61 | 8 |
12-Month High | 3.80% | 3.75% |
12-Month Low | 3.20% | 3.30% |
Adjustments / Mo | 0.50 | 0.42 |
Volatility Score | 0.050 | 0.037 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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