Optimum vs Xfinity: Our Verdict
Optimum and Xfinity are both cable-based internet providers, but they differ significantly in geographic reach, pricing, and data policies. Xfinity (Comcast) is the largest cable provider in the US with coverage across 39 states plus DC, while Optimum (Altice) serves a focused Northeast footprint in NY, NJ, CT, PA, NM, and CO. Optimum offers more aggressive entry-level pricing at $40/mo for 300 Mbps with no data caps on any plan, whereas Xfinity starts at $55/mo for comparable speeds and imposes a 1.2 TB monthly data cap unless you pay an additional $30/mo for unlimited. Both providers are investing heavily in fiber upgrades, but Optimum's lower prices and no-data-cap policy give it an advantage in its coverage area.
Our Pick
Optimum
Recommendation
Choose Optimum if you live in their service area and want lower monthly prices with no data cap restrictions — their $40/mo 300 Mbps plan is hard to beat for value. Choose Xfinity if you need their broader national coverage, want to take advantage of the 5-Year Price Guarantee, or prefer their extensive retail store network for in-person support.
Side-by-Side Comparison
| Feature | Optimum | Xfinity |
|---|---|---|
| Starting Price | $15.00/mo | $20.00/mo |
| Max Internet Speed | 8000 Mbps | 2000 Mbps |
| Available Plans | 13 plans | 18 plans |
| Internet | ||
| TV | ||
| Mobile | ||
| Home Security | ||
| View Optimum Plans | View Xfinity Plans |
Featured Plans
Optimum
Optimum Fiber 1 Gig
Optimum TV Select
Optimum Mobile Unlimited
Xfinity
Xfinity Home Plus
Xfinity Fast
Xfinity Fast 1 Gbps
Frequently Asked Questions
Does Xfinity have data caps and does Optimum?
Xfinity enforces a 1.2 TB monthly data cap on most plans, and exceeding it results in overage charges of $10 per 50 GB block up to $100 extra per month. You can remove the cap by adding unlimited data for $30/mo or by upgrading to a Gigabit+ plan. Optimum, by contrast, has no data caps on any of its internet plans. For heavy-use households, Optimum's no-cap policy can save $360/year compared to Xfinity's unlimited add-on.
Which is more affordable, Optimum or Xfinity internet?
Optimum is the more affordable option at comparable speed tiers. Optimum's 300 Mbps plan starts at $40/mo while Xfinity's equivalent speed tier begins at $55/mo, a difference of $180 per year. At the gigabit level, Optimum charges approximately $80/mo for 1 Gbps versus Xfinity's $90/mo for 1.2 Gbps. When you factor in Xfinity's 1.2 TB data cap and the potential $30/mo unlimited add-on, the true cost comparison widens further in Optimum's favor.
Is Xfinity or Optimum better for TV and internet bundles?
Xfinity has a significant advantage in TV bundling because Comcast owns NBCUniversal, giving them access to a deep content library and integrated streaming through the Xfinity X1 and Flex platforms. Optimum also offers TV packages, but their channel lineup and platform integration are generally considered less polished than Xfinity's. If having a comprehensive cable TV and internet bundle is a priority, Xfinity provides the more compelling package.
How do Optimum and Xfinity compare on customer service?
Both Optimum and Xfinity have historically received mixed reviews for customer service, as is common among large cable providers. Xfinity has invested heavily in its support infrastructure, including a nationwide network of retail stores where customers can swap equipment and troubleshoot issues in person. Optimum has fewer physical retail locations but has been improving its digital support channels and app-based troubleshooting tools.
Can I use my own modem with Optimum or Xfinity?
Both Optimum and Xfinity allow customers to use their own DOCSIS-compatible modems on cable plans, which can save you the monthly equipment rental fee. Xfinity notably does not charge an equipment fee for its modem on standard plans, but does charge for the xFi Gateway (modem/router combo) rental. Check each provider's approved modem list before purchasing to ensure compatibility with your specific plan and speed tier.