American Express vs. Capital One
Comparing American Express and Capital One for high-yield savings: American Express's High Yield Savings Account pays 3.20% APY while Capital One's 360 Performance Savings pays 3.10% APY.
See how they compare on rate stability, mobile app ratings, and more below.
The Bottom Line
Who pays more interest on $10,000? American Express pays $10 more than Capital One annually ($320 vs $310).
Choose Capital One if BBB rating matters to you, or you value in-person banking.
| Metric | American ExpressHigh Yield Savings Account May 16, 2026 | Capital One360 Performance Savings May 16, 2026 |
|---|---|---|
| APY | 3.20% | 3.10% |
Est. Earnings | $5,000+$160 $10,000+$320 $25,000+$800 | $5,000+$155 $10,000+$310 $25,000+$775 |
Min Deposit | $0 | $0 |
Snapshot view. Rates subject to change. | ||
| Features | FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppZelle® SupportedDaily CompoundingRate Changes Often | FDIC InsuredNo MinimumsGreat iOS AppGreat Android AppIn-Person AccessZelle® SupportedRate Changes Often |
Market Reality Check
Both of these banks offer rates below the current top tier. The best rates we track are currently above 4.10% APY.
Comparison Analysis
Comparing American Express vs. Capital One
Executive Summary
American Express offers a High Yield Savings Account with a competitive APY of 3.20%, making it the top choice compared to Capital One's 360 Performance Savings, which has an APY of 3.10%. Both accounts require no minimum deposit or balance and charge no maintenance fees. While American Express's account is online-only, Capital One provides options for both online and in-branch access. Neither account requires direct deposit, making them accessible for a broader range of customers.
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?
- ✓Higher rated Android app (4.9 vs 4.5)
Why Capital One?
- ✓Physical branch access (Over 200 branches in Louisiana, Maryland, New Jersey, New York, Texas, Virginia and Washington, D.C.)
Shared Benefits
Over a 1-year period, American Express's High Yield Savings Account pays $10 more interest on a $10,000 balance than Capital One's 360 Performance Savings.
*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. Capital One Savings Calculator
You earn $10 more with American Express than Capital One 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
Capital One
360 Performance Savings
Savings Breakdown
- Interest Earned+$310.00(3.0%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,310.00
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 $309 per year in interest.
Both American Express and Capital One dramatically outperform the typical 0.01% APY at traditional big banks.
| Feature | American Express | Capital One |
|---|---|---|
| APY | 3.20% Verified: 5/16/2026 ↘︎ 0.10%90d Change | 3.10% Verified: 5/16/2026 ↘︎ 0.20%90d Change |
| Product Name | High Yield Savings Account | 360 Performance Savings |
| Minimum Deposit | $0 | $0 |
| Min. Balance for APY | $0 | $0 |
| Monthly Fee | $0 | $0 |
| Compound Frequency | Daily | Monthly |
| Branch Access | None | Yes |
| Account Type | Online Only | Online & Branches |
| Physical Branches | None | Over 200 branches in Louisiana, Maryland, New Jersey, New York, Texas, Virginia and Washington, D.C. |
| 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: $2,500/dayAvailable for 360 Checking accounts. |
| BBB Rating | F | A+ |
| Next Steps | Visit SiteVerify at American Express Non-sponsored link to official site | Visit SiteVerify at Capital One Non-sponsored link to official site |
📈 Compare Savings Rates Over Time
Historical Performance
| Metric | American Express | Capital One |
|---|---|---|
| High Yield Savings Account | 360 Performance Savings | |
Current APY | 3.20% | 3.10% |
Trend | Stable | Stable |
Velocity (bps/mo) | -3.9 | -3.8 |
Days Since Change | 59 | 22 |
12-Month High | 3.60% | 3.60% |
12-Month Low | 3.20% | 3.10% |
Adjustments / Mo | 0.33 | 0.41 |
Volatility Score | 0.041 | 0.041 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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