Capital One vs Sofi Bank
High-Yield Savings Accounts Comparison

Last Updated: August 29, 2025

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Summary of Capital One vs. SoFi Bank

As of August 29, 2025 Capital One offers an APY of 3.50% for its 360 Performance Savings account, compared to SoFi Bank's 3.80% APY for its SoFi Savings account.

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

Capital One

Strengths

  • Capital One offers 3.50% APY with no direct deposit requirement.
  • Capital One has over 200 branches across several states.
  • Capital One's App Store rating is 4.9.

Potential Drawbacks

  • Capital One's APY has not changed in the last 30 days.

SoFi Bank

Strengths

  • SoFi Bank offers a higher APY of 3.80% with conditions.
  • SoFi Bank's App Store rating is 4.8.
  • SoFi Bank has no branches, operating online only.

Potential Drawbacks

  • SoFi Bank requires direct deposit or a $5,000 deposit for the listed APY.
  • SoFi Bank's Google Play rating is lower at 4.4.
Summary: Capital One provides a stable 3.50% APY with no direct deposit requirement and a high App Store rating of 4.9, alongside physical branches. In contrast, SoFi Bank offers a higher 3.80% APY, but it requires a direct deposit or a qualifying deposit, and has a slightly lower App Store rating of 4.8. SoFi operates entirely online, lacking physical branches.

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

Capital OneSoFi Bank
Product360 Performance SavingsvsSoFi Savings
APY
3.50% (as of 8/29/2025)3.80% (as of 8/29/2025)
Bundled Account
NoYes
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. Without direct deposit or "Qualifying Deposits" the APY will be significantly lower
NoteThe 3.80% APY requires either a direct deposit of regular income (of any amount) or a Qualifying Deposit of $5,000 for any 30-day period. The savings account comes bundled with a checking account.
App Store Rating4.9/54.8/5
Google Play Rating4.5/54.4/5
BBB RatingA+A+

Comparative Historical APY Insights (Last 7 Months)

Capital OneSoFi Bank
Product360 Performance SavingsvsSoFi Savings
Latest APY3.50 %3.80 %
TrendSidewaysSideways
Slope (bps/mo)-4.0-0.1
Rate Changes / Mo0.410.14
Days Since Last Change65218
High (-7 m)3.80 %4.00 %
Low (-7 m)3.50 %3.80 %
Draw-down from High-7.9 %-5.0 %
Volatility (CV)0.0250.004
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 Capital One vs SoFi Bank

All calculations are based on APY.

Capital One

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

SoFi 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 $191.8 lower than SoFi Bank's total earnings.

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

More Comparisons

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