Discover Bank vs Santander Bank
High-Yield Savings Accounts Comparison

Last Updated: September 5, 2025

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Summary of Discover Bank vs. Santander Bank

As of September 5, 2025 Discover Bank offers an APY of 3.50% for its Online 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.

Discover Bank yields $347 more than Santander Bank on a $10,000 balance after one year. Discover Bank pays $350, while Santander Bank pays $3 - an APY advantage for Discover Bank.

Discover Bank

Strengths

  • Discover Bank offers a competitive APY of 3.50%.
  • Discover Bank has an A+ BBB rating and is BBB Accredited.
  • Discover Bank has no maintenance fees.

Potential Drawbacks

  • Discover Bank has no physical branches.

Santander Bank

Strengths

  • Santander Bank has physical branches primarily in the Northeast and Miami.
  • Santander Bank has a 4.8 App Store rating.

Potential Drawbacks

  • Santander Bank offers a significantly lower APY of 0.03%.
  • Santander Bank has a $1 maintenance fee.
Summary: Discover Bank provides a much higher APY of 3.50% compared to Santander Bank's 0.03%. Additionally, Discover Bank has a better BBB rating (A+) and no maintenance fees, while Santander Bank offers physical branches and a slightly higher App Store rating of 4.8. However, Santander Bank's account incurs a $1 maintenance fee, which is absent at Discover Bank.

Compare Discover Bank's vs Santander Bank's Savings Accounts

Discover BankSantander Bank
ProductOnline Savings AccountvsSantander Savings
APY
3.50% (as of 9/5/2025)0.03% (as of 9/5/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyYesNo
Compound Frequency
DailyDaily
Minimum Deposit$0$25
Minimum Balance for APY$0$0
Maintenance Fee$0$1
Direct Deposit Required
NoNo
App Store Rating4.9/54.8/5
Google Play Rating4.3/54.3/5
BBB RatingA+A-

Comparative Historical APY Insights (Last 7 Months)

Discover BankSantander Bank
ProductOnline Savings AccountvsSantander Savings
Latest APY3.50 %0.03 %
TrendSidewaysSideways
Slope (bps/mo)-4.20.0
Rate Changes / Mo0.400.00
Days Since Last Change71226
High (-7 m)3.75 %0.03 %
Low (-7 m)3.50 %0.03 %
Draw-down from High-6.7 %0.0 %
Volatility (CV)0.0260.000
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 Discover Bank vs Santander Bank

All calculations are based on APY.

Discover Bank

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 Overview

Santander 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 Overview

With a $5,000 initial deposit and $13,000 in total contributions over 5 years, Discover Bank'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 Discover Bank's APY of 3.50% with other banks
Compare Santander Bank's APY of 0.03% with other banks