Capital One vs. Synchrony Bank

High-Yield Savings Account Comparison

Last Updated: October 14, 2025

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Summary of Capital One vs. Synchrony Bank

Key Metrics at a Glance

FeatureCapital OneSynchrony Bank
Top Savings APY

3.40%

360 Performance Savings

3.80%

High Yield Savings

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

Capital One

Strengths

  • Capital One has over 200 branches across several states.
  • Capital One's 360 Performance Savings has a competitive APY of 3.40%.
  • Capital One has a high App Store rating of 4.9.

Potential Drawbacks

  • Capital One's APY decreased from 3.50% to 3.40% in the last 30 days.
  • Capital One is rated A+ by BBB, which is lower than Synchrony's APY.

Synchrony Bank

Strengths

  • Synchrony Bank offers a higher APY of 3.80% for its High Yield Savings.
  • Synchrony Bank's APY remained stable at 3.80% over the last 30 days.
  • Synchrony Bank has a solid App Store rating of 4.8.

Potential Drawbacks

  • Synchrony Bank has no physical branches, operating exclusively online.
  • Synchrony Bank is not rated by the BBB, which may concern some customers.
Summary: Capital One provides a lower APY of 3.40% compared to Synchrony Bank's 3.80%, which is a significant difference for savers. While Capital One has a strong BBB rating and numerous branches, Synchrony Bank's online-only model may appeal to those seeking higher yields. Both banks maintain high App Store ratings, indicating good customer satisfaction. Overall, Synchrony Bank offers a more competitive savings option despite lacking a BBB rating.

→ As of October 14, 2025 Capital One offers an APY of 3.40% for its 360 Performance 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 $40 more than Capital One on a $10,000 balance after one year. Capital One pays $340, while Synchrony Bank pays $380 - an APY advantage for Synchrony Bank.

Calculate Savings Growth for Capital One vs Synchrony Bank

All calculations are based on APY.

Capital One

APY: 3.40%

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

Effective APY: 3.40% (based on your deposit and contributions)

Total balance: $20,050.5

Earnings: $2,050.5

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, Capital One's total earnings would be $255.4 lower than Synchrony Bank's total earnings.

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

Compare Capital One's vs Synchrony Bank's Savings Accounts

Capital OneSynchrony Bank
Product360 Performance SavingsvsHigh Yield Savings
APY
3.40% (as of 10/14/2025)3.80% (as of 10/14/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyNoYes
Compound Frequency
MonthlyDaily
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 Rating4.5/54.5/5
BBB RatingA+Not Rated

Comparative Historical APY Insights (Last 9 Months)

Capital OneSynchrony Bank
Product360 Performance SavingsvsHigh Yield Savings
Latest APY3.40 %3.80 %
TrendSidewaysSideways
Slope (bps/mo)-3.7-3.7
Rate Changes / Mo0.450.23
Days Since Last Change14134
High (-9 m)3.80 %4.10 %
Low (-9 m)3.40 %3.80 %
Draw-down from High-10.5 %-7.3 %
Volatility (CV)0.0280.027
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 266 days.
Low (-9 m)
Lowest APY in the last 266 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 Capital One's APY of 3.40% with other banks
Compare Synchrony Bank's APY of 3.80% with other banks