Discover Bank vs. Marcus By Goldman Sachs
High-Yield Savings Account Comparison
Last Updated: October 14, 2025
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Summary of Discover Bank vs. Marcus by Goldman Sachs
Key Metrics at a Glance
| Feature | Discover Bank | Marcus by Goldman Sachs |
|---|---|---|
| Top Savings APY | 3.40% Online Savings Account | 3.65% Marcus Online Savings Account |
| Minimum to Open | $0 | $0 |
| Minimum Balance for APY | $0 | $0 |
Discover Bank
Strengths
- Discover Bank offers an APY of 3.40%, though it decreased from 3.50% in the last 30 days.
- Discover Bank has a higher App Store rating of 4.9 compared to Marcus's 4.8.
- Discover Bank is BBB Accredited with an A+ rating.
Potential Drawbacks
- Discover Bank's current APY is lower than Marcus's 3.65%.
- Discover Bank has a lower Google Play rating of 4.3 compared to Marcus's 4.1.
- Discover Bank has no branches.
Marcus by Goldman Sachs
Strengths
- Marcus by Goldman Sachs offers a competitive APY of 3.65%, stable over the last month.
- Marcus has no maintenance fees or minimum balance requirements.
- Marcus also has an A+ BBB rating.
Potential Drawbacks
- Marcus by Goldman Sachs has a lower App Store rating of 4.8 compared to Discover's 4.9.
- Marcus has a lower Google Play rating of 4.1 compared to Discover's 4.3.
- Marcus has no branches.
→ As of October 14, 2025 Discover Bank offers an APY of 3.40% for its Online Savings Account, with a minimum balance of $0, compared to Marcus by Goldman Sachs's 3.65% APY for its Marcus Online Savings Account, with a minimum balance of $0.
→ Marcus by Goldman Sachs yields $25 more than Discover Bank on a $10,000 balance after one year. Discover Bank pays $340, while Marcus by Goldman Sachs pays $365 - an APY advantage for Marcus by Goldman Sachs.
Calculate Savings Growth for Discover Bank vs Marcus by Goldman Sachs
Discover Bank
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
Total balance: $20,050.5
Earnings: $2,050.5
Bank OverviewMarcus by Goldman Sachs
Total savings breakdown:
- Interest earned: $2,209.7 (10.93%)
- Total contributions: $13,000 (64.33%)
- Initial deposit: $5,000 (24.74%)
Your total balance
$20,209.70
Total balance: $20,209.7
Earnings: $2,209.7
Bank OverviewWith a $5,000 initial deposit and $13,000 in total contributions over 5 years, Discover Bank's total earnings would be $159.2 lower than Marcus by Goldman Sachs's total earnings.
The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.
Compare Discover Bank's vs Marcus by Goldman Sachs' Savings Accounts
| Discover Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Online Savings Account | vs | Marcus Online Savings Account |
| APY | 3.40% (as of 10/14/2025) | 3.65% (as of 10/14/2025) | |
| Bundled Account | No | No | |
| FDIC-insured | Yes | Yes | |
| Online Only | Yes | Yes | |
| Compound Frequency | Daily | 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 | 4.8/5 | |
| Google Play Rating | 4.3/5 | 4.1/5 | |
| BBB Rating | A+ | A+ |
Comparative Historical APY Insights (Last 9 Months)
| Discover Bank | Marcus by Goldman Sachs | ||
|---|---|---|---|
| Product | Online Savings Account | vs | Marcus Online Savings Account |
| Latest APY | 3.40 % | 3.65 % | |
| Trend | Sideways | Sideways | |
| Slope (bps/mo) | -4.0 | -3.5 | |
| Rate Changes / Mo | 0.46 | 0.23 | |
| Days Since Last Change | 15 | 140 | |
| High (-9 m) | 3.75 % | 3.90 % | |
| Low (-9 m) | 3.40 % | 3.65 % | |
| Draw-down from High | -9.3 % | -6.4 % | |
| Volatility (CV) | 0.029 | 0.027 |
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 260 days.
- Low (-9 m)
- Lowest APY in the last 260 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.