Capital One vs Santander Bank
High-Yield Savings Accounts Comparison
Last Updated: September 5, 2025
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Summary of Capital One vs. Santander Bank
As of September 5, 2025 Capital One offers an APY of 3.50% for its 360 Performance Savings account, with a minimum balance of $0, compared to Santander Bank's 0.03% APY for its Santander Savings account, with a minimum balance of $0.
Capital One yields $347 more than Santander Bank on a $10,000 balance after one year. Capital One pays $350, while Santander Bank pays $3 - an APY advantage for Capital One.
Capital One
Strengths
- Capital One offers a competitive APY of 3.50% for its 360 Performance Savings account.
- Capital One has an A+ BBB rating and is BBB Accredited.
- Capital One has over 200 branches across several states.
Potential Drawbacks
- Capital One's APY has not changed in the last 30 days.
Santander Bank
Strengths
- Santander Bank has a lower minimum deposit of $25 for its Santander Savings account.
Potential Drawbacks
- Santander Bank's APY is significantly lower at 0.03%.
- Santander Bank has an A- BBB rating but is not BBB Accredited.
- Santander Bank charges a $1 maintenance fee.
Summary: Capital One's 360 Performance Savings account offers a much higher APY of 3.50% compared to Santander Bank's 0.03%. Additionally, Capital One boasts an A+ BBB rating and over 200 branches, while Santander Bank has a lower A- rating and charges a maintenance fee. The minimum deposit for Santander is lower at $25, but the overall benefits of Capital One's account outweigh this aspect.
Compare Capital One's vs Santander Bank's Savings Accounts
| Capital One | Santander Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Santander Savings |
| APY | 3.50% (as of 9/5/2025) | 0.03% (as of 9/5/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | No | No | |
| Compound Frequency | Monthly | Daily | |
| Minimum Deposit | $0 | $25 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $1 | |
| Direct Deposit Required | No | No | |
| App Store Rating | 4.9/5 | 4.8/5 | |
| Google Play Rating | 4.5/5 | 4.3/5 | |
| BBB Rating | A+ | A- |
Comparative Historical APY Insights (Last 7 Months)
| Capital One | Santander Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Santander Savings |
| Latest APY | 3.50 % | 0.03 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.0 | -0.0 | |
| Rate Changes / Mo | 0.40 | 0.00 | |
| Days Since Last Change | 71 | 225 | |
| High (-7 m) | 3.80 % | 0.03 % | |
| Low (-7 m) | 3.50 % | 0.03 % | |
| Draw-down from High | -7.9 % | 0.0 % | |
| Volatility (CV) | 0.025 | 0.000 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 7 months (regression slope).
- Slope (bps/mo)
- Average monthly change; 10 bps = 0.10 pp.
- Rate Changes / Mo
- Typical number of APY moves per month.
- Days Since Last Change
- Recency of the latest APY adjustment.
- High (-7 m)
- Highest APY in the last 226 days.
- Low (-7 m)
- Lowest APY in the last 226 days.
- Draw-down from High
- How far today sits below the 7-month peak.
- Volatility (CV)
- Coefficient of variation = stdev ÷ mean.
Why Track Savings-Account APYs?
- See how quickly a bank reacts to Fed moves or competition.
- Gauge “twitchiness” - frequent moves can annoy savers.
- Spot if you're buying near a peak (draw-down) or riding a rise.
- Slope (bps/mo) shows speed of change.
- Volatility (CV) scales jumps by average level.
Calculate Savings Growth for Capital One vs Santander Bank
All calculations are based on APY.
Capital One
APY: 3.50%
Total savings breakdown:
- Interest earned: $2,114.1 (10.51%)
- Total contributions: $13,000 (64.63%)
- Initial deposit: $5,000 (24.86%)
Your total balance
$20,114.10
Effective APY: 3.50% (based on your deposit and contributions)
Total balance: $20,114.1
Earnings: $2,114.1
Bank OverviewSantander Bank
APY: 0.03%
Total savings breakdown:
- Interest earned: $17.2 (0.10%)
- Total contributions: $13,000 (72.15%)
- Initial deposit: $5,000 (27.75%)
Your total balance
$18,017.20
Effective APY: 0.03% (based on your deposit and contributions)
Total balance: $18,017.2
Earnings: $17.2
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Capital One's total earnings would be $2,096.9 higher than Santander Bank's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
More Comparisons
Compare Capital One's APY of 3.50% with other banks
| Bank Pair | Competitor APY | Min Deposit |
|---|---|---|
| Capital One vs Ally Bank | 3.50% | $0 |
| Capital One vs American Express | 3.50% | $0 |
| Capital One vs Axos Bank | 4.46% | $0 |
| Capital One vs Bank of America | 0.01% | $100 |
| Capital One vs Barclays | 4.10% | $0 |
| Capital One vs BrioDirect | 4.30% | $5,000 |
| Capital One vs Chase Bank | 0.01% | $0 |
| Capital One vs Chime | 3.75% | $0 |
| Capital One vs CIT Bank | 4.00% | $100 |
| Capital One vs Discover Bank | 3.50% | $0 |
| Capital One vs Elevault | 4.60% | $0 |
| Capital One vs EverBank | 4.30% | $0 |
| Capital One vs Fitness Bank | 4.75% | $100 |
| Capital One vs FVCbank | 4.35% | $500 |
| Capital One vs GO2bank | 4.50% | $0 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $0 |
| Capital One vs Neighbors Bank | 4.60% | $0 |
| Capital One vs Newtek Bank | 4.35% | $0 |
| Capital One vs Peak Bank | 4.35% | $100 |
| Capital One vs Pibank | 4.60% | $0 |
| Capital One vs Presidential Bank | 4.50% | $5,000 |
| Capital One vs SoFi Bank | 3.80% | $0 |
| Capital One vs Synchrony Bank | 3.80% | $0 |
| Capital One vs TIMBR | 4.40% | $1,000 |
| Capital One vs UFB Direct | 4.21% | $5000 |
| Capital One vs Varo Bank | 5.00% | $0 |
| Capital One vs Wells Fargo | 2.51% | $25 |
| Capital One vs Zynlo Bank | 4.35% | $10 |