Capital One vs Discover Bank
High-Yield Savings Accounts Comparison
Last Updated: July 15, 2025
Summary of Capital One vs. Discover Bank
As of 7/15/2025 both Capital One (360 Performance Savings) and Discover Bank (Online Savings Account) offer an APY of 3.50% .
Both banks yield $350 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.
Capital One
Strengths
- Capital One has over 200 branches across several states.
- Capital One offers a 4.9 App Store rating.
- Capital One's BBB rating is A+ and it is BBB Accredited.
Potential Drawbacks
- Current APY of 3.5% decreased from 3.6% in the last 30 days.
Discover Bank
Strengths
- Discover Bank offers a competitive APY of 3.5%.
- Discover Bank has a 4.3 Google Play rating.
Potential Drawbacks
- Discover Bank has no physical branches.
Summary: Both Capital One and Discover Bank offer a 3.5% APY on their high-yield savings accounts, but Capital One has physical branches while Discover Bank operates online only. Capital One's App Store rating is higher at 4.9 compared to Discover's 4.3 on Google Play. Both banks maintain an A+ BBB rating and are accredited, but Capital One's APY has decreased recently, while Discover's remains stable.
Compare Capital One's vs Discover Bank's Savings Accounts
| Capital One | Discover Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Online Savings Account |
| APY | 3.50% (as of 7/15/2025) | 3.50% (as of 7/15/2025) | |
| 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 | |
| Visit Bank | 360 Performance Savings | Online Savings Account | |
| 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 6 Months)
| Capital One | Discover Bank | ||
|---|---|---|---|
| Product | 360 Performance Savings | vs | Online Savings Account |
| Latest APY | 3.50 % | 3.50 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.4 | -4.5 | |
| Rate Changes / Mo | 0.51 | 0.51 | |
| Days Since Last Change | 19 | 19 | |
| High (-6 m) | 3.80 % | 3.75 % | |
| Low (-6 m) | 3.50 % | 3.50 % | |
| Draw-down from High | -7.9 % | -6.7 % | |
| Volatility (CV) | 0.022 | 0.022 |
APY Insights Glossary
- Latest APY
- Most recent advertised annual-percentage yield.
- Trend
- Direction over the last 6 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 (-6 m)
- Highest APY in the last 175 days.
- Low (-6 m)
- Lowest APY in the last 175 days.
- Draw-down from High
- How far today sits below the 6-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 Discover Bank
All calculations are based on APY.
Capital One
APY: 3.50%
Total savings breakdown:
- Interest earned: $35 (3.38%)
- Total contributions: $0 (0.00%)
- Initial deposit: $1,000 (96.62%)
Your total balance
$1,035.00
Effective APY: 3.50% (based on your deposit and contributions)
Total balance: $1,035
Earnings: $35
Bank DetailsDiscover Bank
APY: 3.50%
Total savings breakdown:
- Interest earned: $35 (3.38%)
- Total contributions: $0 (0.00%)
- Initial deposit: $1,000 (96.62%)
Your total balance
$1,035.00
Effective APY: 3.50% (based on your deposit and contributions)
Total balance: $1,035
Earnings: $35
Bank DetailsAfter 1 year Capital One would earn you the same as Discover Bank.
More Comparisons
Compare Capital One's APY of 3.50% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Capital One vs Ally Bank | 3.50% | $0 |
| Capital One vs American Express | 3.60% | $0 |
| Capital One vs Axos Bank | 4.66% | $0 |
| Capital One vs Bank of America | 0.01% | $100 |
| Capital One vs Barclays | 4.10% | $0 |
| 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 Fitness Bank | 5.00% | $100 |
| Capital One vs Marcus by Goldman Sachs | 3.65% | $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 Varo Bank | 5.00% | $0 |
| Capital One vs Wells Fargo | 2.51% | $25 |
Compare Discover Bank's APY of 3.50% with other banks
| Bank Pair | Best APY | Min Deposit |
|---|---|---|
| Discover Bank vs Ally Bank | 3.50% | $0 |
| Discover Bank vs American Express | 3.60% | $0 |
| Discover Bank vs Axos Bank | 4.66% | $0 |
| Discover Bank vs Bank of America | 0.01% | $100 |
| Discover Bank vs Barclays | 4.10% | $0 |
| Discover Bank vs Chase Bank | 0.01% | $0 |
| Discover Bank vs Chime | 3.75% | $0 |
| Discover Bank vs CIT Bank | 4.00% | $100 |
| Discover Bank vs Fitness Bank | 5.00% | $100 |
| Discover Bank vs Marcus by Goldman Sachs | 3.65% | $0 |
| Discover Bank vs Presidential Bank | 4.50% | $5,000 |
| Discover Bank vs SoFi Bank | 3.80% | $0 |
| Discover Bank vs Synchrony Bank | 3.80% | $0 |
| Discover Bank vs Varo Bank | 5.00% | $0 |
| Discover Bank vs Wells Fargo | 2.51% | $25 |