American Express vs. Capital One
American Express and Capital One both offer 3.20% APY on their high-yield savings accounts. With identical rates, your choice comes down to other factors like mobile app quality, branch access, or customer service reputation.
The Bottom Line
The American Express and Capital One savings accounts are very similar. Choose Capital One if BBB rating matters to you, or you value in-person banking.
| Metric | American ExpressHigh Yield Savings Account Apr 21, 2026 | Capital One360 Performance Savings Apr 21, 2026 |
|---|---|---|
| APY | 3.20% | 3.20% |
Est. Earnings | $5,000+$160 $10,000+$320 $25,000+$800 | $5,000+$160 $10,000+$320 $25,000+$800 |
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 4.07% APY.
Comparison Analysis
Comparing American Express vs. Capital One
Executive Summary
Both American Express and Capital One offer competitive savings accounts with a high annual percentage yield (APY) of 3.20%. American Express features an online-only High Yield Savings Account, while Capital One provides a 360 Performance Savings account that is not limited to online access. Both accounts have no minimum deposit, no maintenance fees, and do not require direct deposit. Given their nearly identical APYs, customers may choose based on their preference for online banking or the option of physical branch access with Capital One.
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
Non-sponsored link to official site
Non-sponsored link to official site
Top Market Contenders
American Express vs. Capital One Savings Calculator
Both accounts earn exactly the same amount.
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+$320.00(3.1%)
- Total Contributions$0
- Initial Deposit$10,000
Projected Balance
$10,320.00
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 Capital One dramatically outperform the typical 0.01% APY at traditional big banks.
| Feature | American Express | Capital One |
|---|---|---|
| APY | 3.20% Verified: 4/21/2026 ↘︎ 0.10%90d Change | 3.20% Verified: 4/21/2026 ↘︎ 0.10%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% | 3.20% |
Trend | Stable | Stable |
Velocity (bps/mo) | -3.9 | -3.5 |
Days Since Change | 34 | 40 |
12-Month High | 3.70% | 3.60% |
12-Month Low | 3.20% | 3.20% |
Adjustments / Mo | 0.41 | 0.33 |
Volatility Score | 0.041 | 0.037 |
How to read these metrics(Click to expand)
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High Rates (With Checking Bundle)
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