How to choose
What to weigh before you pick
It usually comes down to 3 things. Compare your options on each before deciding.
The rate that actually sticks after any promo expires.
Monthly fees and the balance needed to earn the top rate.
Transfer speed, withdrawal limits, and ATM reach.
- Synchrony and Capital One both charge no fees and require no minimum, with rates that trade positions within a narrow range.
- Synchrony's standout feature is an optional ATM card directly on the savings account; Capital One's is branch and Café access plus full checking.
- Neither bank offers Ally-style savings buckets, so organizational tools aren't a differentiator between these two.
Synchrony Bank and Capital One 360 both rank consistently among the stronger high-yield savings options, and both charge zero fees with no minimum balance. The synchrony vs capital one decision comes down less to rate, which trades positions within a narrow range, and more to how you actually want to access your money: physical cash on demand, or a full banking relationship with branches and checking.
Synchrony solves the cash-access problem in a way almost no other pure online savings account does: an optional ATM card tied directly to the savings balance. Capital One solves a different problem: it's a hybrid digital-and-physical bank with 200+ branches, a growing Café network, and integrated checking. This guide breaks down the real differences so you can pick based on how you bank, not just this month's APY.
Quick answer
Choose Synchrony if you want the option of walking up to an ATM and withdrawing cash directly from your savings balance, without opening a separate checking account. Choose Capital One 360 if you want branch access, a Café near you, or a single login covering both checking and savings. Rate alone rarely settles this one: check the live rankings for the current spread, then decide based on the access feature you'd actually use.
Synchrony vs Capital One: Side-by-Side Comparison
| Feature | Synchrony Bank | Capital One 360 |
|---|---|---|
| Savings APY | … | … |
| Monthly fee / minimum | $0 / $0 | $0 / $0 |
| ATM card on savings | Yes, Plus and Accel networks | No (requires separate checking) |
| Physical branches | None | 200+, plus ~50 Cafés |
| Checking account | Not offered | Yes, with debit card, 70,000+ ATMs |
| Money market account | Yes | No |
| CD term range | 3 months to 60 months | Narrower on the short end |
| FDIC insured | $250K per depositor | $250K per depositor |
Rate Comparison and Dollar Impact
Here's what the typical spread between the two is worth annually at common balance tiers:
| Balance | Synchrony annual interest | Capital One annual interest |
|---|---|---|
| $10,000 | … | … |
| $25,000 | … | … |
| $50,000 | … | … |
Both banks comfortably outpace the national savings average of 0.38%. For a precise comparison at your own balance, use the savings calculator.
Synchrony's Case: Cash Access Without Checking
Synchrony's ATM card on the savings account itself is a genuinely rare feature among online-only banks. Marcus doesn't offer it. Amex doesn't offer it. Most pure high-yield savings accounts require an ACH transfer to an external checking account, taking one to three business days, before you can spend or withdraw the money.
Consider a saver who keeps an emergency fund entirely at Synchrony. When an unexpected expense hits on a weekend, they can walk to an ATM and withdraw cash within minutes on the Plus or Accel network, no waiting on a transfer to clear. That single feature is why Synchrony fits well as a primary emergency-fund destination for savers who don't want to maintain a separate checking account just for occasional cash access.
Synchrony also offers a standalone money market account with check-writing privileges, something Capital One doesn't provide, and a broader CD range starting at 3 months versus a narrower short end at Capital One.
Capital One's Case: A Full Banking Relationship
Capital One's advantage is different in kind, not degree. Where Synchrony adds one access feature to a savings-only account, Capital One builds an entire ecosystem: 200+ branches concentrated in the Northeast, Texas, and Louisiana, roughly 50 Capital One Cafés in major cities offering coffee-shop banking and free financial coaching, and a full 360 Checking account with a debit card and access to 70,000+ fee-free ATMs across the Capital One, MoneyPass, and Allpoint networks.
If you want savings and checking under one login, with the option of in-person help when you need it, Capital One is the only one of these two that offers that. Synchrony's ATM card gets you cash; it doesn't give you a checking account, bill pay, or a branch to walk into.
Where Each Account Wins and Falls Short
Where Synchrony Wins
- Optional ATM card directly on the savings account, rare among online banks
- Money market account with check-writing privileges
- Broader short-term CD range (3 months to 60 months)
- Fully online joint account setup
Where Synchrony Falls Short
- No checking account of any kind
- No physical locations
- Standard ACH timing for external transfers (1-3 days)
Where Capital One Wins
- 200+ branches and ~50 Cafés for in-person banking
- Full checking, debit card, and 70,000+ fee-free ATMs
- Automated savings rules and basic goal-tracking
Where Capital One Falls Short
- No ATM card tied directly to the savings account itself
- No money market account option
- Branch network concentrated geographically; many regions have no nearby location
How to Decide
Choose Synchrony if you want the option of ATM cash access without opening a checking account, want a money market account alongside savings, or need a short CD term under 6 months.
Choose Capital One 360 if you live near a branch or Café, want checking and savings under one login, or value in-person banking access even if you use it rarely.
Use both if your balance is large enough to split: Synchrony for the reserve you might need in cash, Capital One for the daily-use layer with checking and ATM access.
Sources
- FDIC: understanding deposit insurance
- synchronybank.com and capitalone.com rate and product disclosure pages
Methodology
SwitchWize verifies APYs directly against each institution's public rate page and cross-references with third-party trackers weekly. Commission from partner links does not influence rankings. For full details, see our methodology.
This is educational information, not personalized financial advice.
Frequently Asked Questions
Which pays more, Synchrony or Capital One?
Does Capital One or Synchrony have an ATM card on savings?
Which has branches?
Does Synchrony offer checking?
Which has better CD options?
Are both FDIC-insured?
Act on this: today's top savings

Ranked by SwitchWize's composite score. We may earn a referral fee, and it never changes the ranking order.
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