Capital One vs. Newtek Bank

High-Yield Savings Account Comparison

By Aviel Fahl|Last Updated: October 21, 2025

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Summary of Capital One vs. Newtek Bank

Key Metrics at a Glance

FeatureCapital OneNewtek Bank
Top Savings APY

3.40%

360 Performance Savings

4.35%

Personal High Yield Savings

Minimum to Open$0$0
Minimum Balance for Top APY$0$0.01

Capital One

Strengths

  • Capital One has over 200 branches in multiple states.
  • Capital One's 360 Performance Savings has no minimum deposit or balance requirements.
  • Capital One has a high App Store rating of 4.9.

Potential Drawbacks

  • Capital One's current APY is 3.40%, down from 3.50% last month.
  • Capital One's Google Play rating is 4.5, lower than Newtek Bank's.

Newtek Bank

Strengths

  • Newtek Bank offers a higher APY of 4.35% with no changes from last month.
  • Newtek Bank has no maintenance fees for its savings account.
  • Newtek Bank's Google Play rating is 4.2, higher than Capital One's.

Potential Drawbacks

  • Newtek Bank has no physical branches.
  • Newtek Bank requires a minimum balance of $0.01 for its savings account.
Summary: Capital One provides a competitive APY of 3.40% with physical branches, but it has decreased from 3.50%. In contrast, Newtek Bank offers a higher APY of 4.35% with no branch presence. Both banks have an A+ BBB rating, but Capital One excels in App Store ratings. Newtek Bank's account requires a minimum balance of $0.01, while Capital One has no such requirement.

→ As of October 21, 2025 Capital One offers an APY of 3.40% for its 360 Performance Savings account, with a minimum balance of $0, compared to Newtek Bank's 4.35% APY for its Personal High Yield Savings account, with a minimum balance of $0.01.

Newtek Bank yields $95 more than Capital One on a $10,000 balance after one year. Capital One pays $340, while Newtek Bank pays $435 - an APY advantage for Newtek Bank.

Calculate Savings Growth for Capital One vs Newtek Bank

All calculations are based on APY.

Capital One - 360 Performance Savings

Top 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

Newtek Bank - Personal High Yield Savings

Top APY: 4.35%

Total savings breakdown:

  • Interest earned: $2,662 (12.88%)
  • Total contributions: $13,000 (62.92%)
  • Initial deposit: $5,000 (24.20%)

Your total balance

$20,662.00

Effective APY: 4.35% (based on your deposit and contributions)

Total balance: $20,662

Earnings: $2,662

Bank Overview

With a $5,000 initial deposit and $13,000 in total contributions over 5 years, Capital One's total earnings would be $611.5 lower than Newtek 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 Newtek Bank's Savings Accounts

Capital OneNewtek Bank
Product360 Performance SavingsvsPersonal High Yield Savings
APY
3.40% (as of 10/21/2025)4.35% (as of 10/21/2025)
Bundled Account
NoNo
FDIC-insured
YesYes
Online OnlyNoYes
Compound Frequency
MonthlyDaily
Minimum Deposit$0$0
Minimum Balance for APY$0$0.01
Maintenance Fee$0$0
Direct Deposit Required
NoNo
App Store Rating4.9/54.5/5
Google Play Rating4.5/54.2/5
BBB RatingA+A+

Comparative Historical APY Insights (Last 9 Months)

Capital OneNewtek Bank
Product360 Performance SavingsvsPersonal High Yield Savings
Latest APY3.40 %4.35 %
TrendSidewaysSideways
Slope (bps/mo)-3.8-1.9
Rate Changes / Mo0.440.22
Days Since Last Change20193
High (-9 m)3.80 %4.55 %
Low (-9 m)3.40 %4.35 %
Draw-down from High-10.5 %-4.4 %
Volatility (CV)0.0290.015
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 272 days.
Low (-9 m)
Lowest APY in the last 272 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 Newtek Bank's APY of 4.35% with other banks