Capital One vs. Discover Bank
High-Yield Savings Account Comparison
Last Updated: October 14, 2025
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Summary of Capital One vs. Discover Bank
Key Metrics at a Glance
| Feature | Capital One | Discover Bank |
|---|---|---|
| Top Savings APY | 3.40% 360 Performance Savings | 3.40% Online Savings Account |
| Minimum to Open | $0 | $0 |
| Minimum Balance for APY | $0 | $0 |
Capital One
Strengths
- Capital One has over 200 branches across multiple states.
- Capital One's App Store rating is 4.9, indicating high user satisfaction.
- Both banks offer a current APY of 3.40%, but Capital One has no direct deposit requirement.
Potential Drawbacks
- Capital One's APY decreased from 3.50% in the last 30 days.
- Capital One's Google Play rating is lower at 4.5 compared to Discover Bank.
Discover Bank
Strengths
- Discover Bank's App Store rating matches Capital One at 4.9.
- Discover Bank's Google Play rating is 4.3, slightly lower than Capital One.
Potential Drawbacks
- Discover Bank has no physical branches, limiting in-person access.
- Discover Bank's APY also decreased from 3.50% in the last 30 days.
Summary: Both Capital One and Discover Bank offer high-yield savings accounts with a current APY of 3.40%. Capital One provides over 200 branches, while Discover Bank operates online only. Both banks have an App Store rating of 4.9, but Capital One's Google Play rating is slightly higher at 4.5. Notably, both banks experienced a decrease in APY from 3.50% in the past month.
→ As of 10/14/2025 both Capital One (360 Performance Savings) and Discover Bank (Online Savings Account) offer an APY of 3.40% .
→ Both banks yield $340 in interest on a $10,000 balance after one year. Neither has an APY advantage, so consider other features (fees, access, app ratings, etc.) when choosing.
Calculate Savings Growth for Capital One vs Discover Bank
All calculations are based on APY.
Capital One
APY: 3.40%
Total savings breakdown:
- Interest earned: $2,050.5 (10.23%)
- Total contributions: $13,000 (64.84%)
- Initial deposit: $5,000 (24.94%)
Your total balance
$20,050.50
Effective APY: 3.40% (based on your deposit and contributions)
Total balance: $20,050.5
Earnings: $2,050.5
Bank OverviewDiscover Bank
APY: 3.40%
Total savings breakdown:
- Interest earned: $2,050.5 (10.23%)
- Total contributions: $13,000 (64.84%)
- Initial deposit: $5,000 (24.94%)
Your total balance
$20,050.50
Effective APY: 3.40% (based on your deposit and contributions)
Total balance: $20,050.5
Earnings: $2,050.5
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Capital One's total earnings would be the same as Discover Bank's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Capital One's vs Discover Bank's Savings Accounts
| Capital One | Discover Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Online Savings Account |
| APY | 3.40% (as of 10/14/2025) | 3.40% (as of 10/14/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | No | Yes | |
| Compound Frequency | Monthly | Daily | |
| Minimum Deposit | $0 | $0 | |
| Minimum Balance for APY | $0 | $0 | |
| Maintenance Fee | $0 | $0 | |
| Direct Deposit Required | No | No | |
| App Store Rating | 4.9/5 | 4.9/5 | |
| Google Play Rating | 4.5/5 | 4.3/5 | |
| BBB Rating | A+ | A+ |
Comparative Historical APY Insights (Last 9 Months)
| Capital One | Discover Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Online Savings Account |
| Latest APY | 3.40 % | 3.40 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -3.7 | -3.9 | |
| Rate Changes / Mo | 0.45 | 0.45 | |
| Days Since Last Change | 13 | 14 | |
| High (-9 m) | 3.80 % | 3.75 % | |
| Low (-9 m) | 3.40 % | 3.40 % | |
| Draw-down from High | -10.5 % | -9.3 % | |
| Volatility (CV) | 0.028 | 0.029 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 9 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 (-9 m)
- Highest APY in the last 266 days.
- Low (-9 m)
- Lowest APY in the last 266 days.
- Draw-down from High
- How far today sits below the 9-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.
More Comparisons
Compare Capital One's APY of 3.40% with other banks
| Bank Pair | Competitor APY | Min Deposit |
|---|---|---|
| Capital One vs Ally Bank | 3.40% | $0 |
| Capital One vs American Express | 3.50% | $0 |
| Capital One vs Axos Bank | 4.51% | $0 |
| Capital One vs Bank of America | 0.01% | $100 |
| Capital One vs Barclays | 4.10% | $0 |
| Capital One vs BrioDirect | 4.20% | $5,000 |
| Capital One vs Chase Bank | 0.01% | $0 |
| Capital One vs Chime | 3.75% | $0 |
| Capital One vs CIT Bank | 3.85% | $100 |
| Capital One vs Elevault | 4.34% | $0 |
| Capital One vs EverBank | 4.05% | $0 |
| Capital One vs Fitness Bank | 4.75% | $100 |
| Capital One vs FVCbank | 4.10% | $500 |
| Capital One vs GO2bank | 4.50% | $0 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $0 |
| Capital One vs Neighbors Bank | 4.50% | $0 |
| Capital One vs Newtek Bank | 4.35% | $0 |
| Capital One vs Peak Bank | 4.20% | $100 |
| Capital One vs Pibank | 4.60% | $0 |
| Capital One vs Presidential Bank | 4.50% | $5,000 |
| Capital One vs Santander Bank | 0.01% | $25 |
| Capital One vs SoFi Bank | 4.50% | $0 |
| Capital One vs Synchrony Bank | 3.80% | $0 |
| Capital One vs TIMBR | 4.40% | $1,000 |
| Capital One vs UFB Direct | 3.96% | $5000 |
| Capital One vs Varo Bank | 5.00% | $0 |
| Capital One vs Wells Fargo | 0.05% | $25 |
| Capital One vs Zynlo Bank | 4.20% | $10 |