Discover Bank vs Synchrony Bank
High-Yield Savings Accounts Comparison

Last Updated: August 29, 2025

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Summary of Discover Bank vs. Synchrony Bank

As of August 29, 2025 Discover Bank offers an APY of 3.50% for its Online Savings Account account, compared to Synchrony Bank's 3.80% APY for its High Yield Savings account.

Synchrony Bank yields $30 more than Discover Bank on a $10,000 balance after one year. Discover Bank pays $350, while Synchrony Bank pays $380 - an APY advantage for Synchrony Bank.

Discover Bank

Strengths

  • Discover Bank has a higher BBB rating of A+ and is BBB Accredited.
  • Discover Bank has no direct deposit requirement for its savings account.
  • Discover Bank offers an App Store rating of 4.9.

Potential Drawbacks

  • Discover Bank's current APY is lower at 3.50% compared to Synchrony Bank.

Synchrony Bank

Strengths

  • Synchrony Bank offers a higher APY of 3.80% for its High Yield Savings account.
  • Synchrony Bank has a Google Play rating of 4.5.

Potential Drawbacks

  • Synchrony Bank is not rated by the BBB.
Summary: Discover Bank features a strong BBB rating and an App Store rating of 4.9, but offers a lower APY of 3.50%. In contrast, Synchrony Bank provides a higher APY of 3.80% and a solid Google Play rating of 4.5, but lacks a BBB rating. Both banks have no direct deposit requirements and no maintenance fees.

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

Discover BankSynchrony Bank
ProductOnline Savings AccountvsHigh Yield Savings
APY
3.50% (as of 8/29/2025)3.80% (as of 8/29/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyYesYes
Compound Frequency
DailyDaily
Minimum Deposit$0$0
Minimum Balance for APY$0$0
Maintenance Fee$0$0
Direct Deposit Required
NoNo
App Store Rating4.9/54.8/5
Google Play Rating4.3/54.5/5
BBB RatingA+Not Rated

Comparative Historical APY Insights (Last 7 Months)

Discover BankSynchrony Bank
ProductOnline Savings AccountvsHigh Yield Savings
Latest APY3.50 %3.80 %
TrendSidewaysSideways
Slope (bps/mo)-4.3-4.4
Rate Changes / Mo0.410.27
Days Since Last Change6588
High (-7 m)3.75 %4.10 %
Low (-7 m)3.50 %3.80 %
Draw-down from High-6.7 %-7.3 %
Volatility (CV)0.0260.027
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 220 days.
Low (-7 m)
Lowest APY in the last 220 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 Synchrony 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

Synchrony Bank

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, Discover Bank's total earnings would be $191.8 lower than Synchrony 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 Synchrony Bank's APY of 3.80% with other banks