Santander Bank vs. Synchrony Bank

High-Yield Savings Account Comparison

By Aviel Fahl|Last Updated: October 21, 2025

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Summary of Santander Bank vs. Synchrony Bank

Key Metrics at a Glance

FeatureSantander BankSynchrony Bank
Top Savings APY

0.01%

Santander Savings

3.80%

High Yield Savings

Minimum to Open$25$0
Minimum Balance for Top APY$0$0

Santander Bank

Strengths

  • Santander Bank has a branch presence primarily in the Northeast and Miami, Florida.
  • Santander Bank offers a low minimum deposit of $25 for its savings account.
  • Santander Bank has a solid App Store rating of 4.8.

Potential Drawbacks

  • Santander Bank's current APY is only 0.01%, unchanged from 30 days ago.
  • Santander Bank charges a $1 monthly maintenance fee for its savings account.
  • Santander Bank is not BBB Accredited, indicating potential trust issues.

Synchrony Bank

Strengths

  • Synchrony Bank offers a competitive APY of 3.80%, unchanged from 30 days ago.
  • Synchrony Bank has no monthly maintenance fees for its savings account.
  • Synchrony Bank has a higher Google Play rating of 4.5.

Potential Drawbacks

  • Synchrony Bank operates online only, lacking physical branches.
  • Synchrony Bank requires no minimum deposit or balance, which may limit account features.
  • Synchrony Bank is not BBB Rated, similar to Santander Bank.
Summary: Santander Bank offers a traditional banking experience with physical branches and a low minimum deposit, but has a very low APY of 0.01%. In contrast, Synchrony Bank provides a significantly higher APY of 3.80% with no fees, but operates exclusively online. Both banks are not BBB rated, but Synchrony Bank's higher Google Play rating may appeal to tech-savvy customers.

→ As of October 21, 2025 Santander Bank offers an APY of 0.01% for its Santander Savings account, with a minimum balance of $0, compared to Synchrony Bank's 3.80% APY for its High Yield Savings account, with a minimum balance of $0.

Synchrony Bank yields $379 more than Santander Bank on a $10,000 balance after one year. Santander Bank pays $1, while Synchrony Bank pays $380 - an APY advantage for Synchrony Bank.

Calculate Savings Growth for Santander Bank vs Synchrony Bank

All calculations are based on APY.

Santander Bank - Santander Savings

Top APY: 0.01%

Total savings breakdown:

  • Interest earned: $5.7 (0.03%)
  • Total contributions: $13,000 (72.20%)
  • Initial deposit: $5,000 (27.77%)

Your total balance

$18,005.70

Effective APY: 0.01% (based on your deposit and contributions)

Total balance: $18,005.7

Earnings: $5.7

Bank Overview

Synchrony Bank - High Yield Savings

Top APY: 3.80%

Total savings breakdown:

  • Interest earned: $2,305.9 (11.36%)
  • Total contributions: $13,000 (64.02%)
  • Initial deposit: $5,000 (24.62%)

Your total balance

$20,305.90

Effective APY: 3.80% (based on your deposit and contributions)

Total balance: $20,305.9

Earnings: $2,305.9

Bank Overview

With a $5,000 initial deposit and $13,000 in total contributions over 5 years, Santander Bank's total earnings would be $2,300.2 lower than Synchrony Bank's total earnings.

The Banksparency Savings Calculator provides estimated savings growth based on user input and our latest data.

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

Santander BankSynchrony Bank
ProductSantander SavingsvsHigh Yield Savings
APY
0.01% (as of 10/21/2025)3.80% (as of 10/21/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyNoYes
Compound Frequency
DailyDaily
Minimum Deposit$25$0
Minimum Balance for APY$0$0
Maintenance Fee$1$0
Direct Deposit Required
NoNo
App Store Rating4.8/54.8/5
Google Play Rating4.1/54.5/5
BBB RatingNot RatedNot Rated

Comparative Historical APY Insights (Last 9 Months)

Santander BankSynchrony Bank
ProductSantander SavingsvsHigh Yield Savings
Latest APY0.01 %3.80 %
TrendSidewaysSideways
Slope (bps/mo)-0.1-3.6
Rate Changes / Mo0.110.22
Days Since Last Change32140
High (-9 m)0.03 %4.10 %
Low (-9 m)0.01 %3.80 %
Draw-down from High-66.7 %-7.3 %
Volatility (CV)0.2320.027
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 273 days.
Low (-9 m)
Lowest APY in the last 273 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 Santander Bank's APY of 0.01% with other banks
Compare Synchrony Bank's APY of 3.80% with other banks