AT&T Fiber vs Xfinity
Comparing two of the most popular internet service providers. See how AT&T Fiber and Xfinity stack up on speed, price, coverage, and overall value.
Some products are sponsored. Rankings reflect our honest assessment. See our affiliate disclosure
Quick Answer
AT&T Fiber beats Xfinity for most users. Symmetrical upload and download speeds. Choose Xfinity if you need Widespread availability across 40+ states.
AT&T Fiber
WinnerPremium fiber with symmetrical speeds and no data caps
Max Download
5.0 Gbps
Max Upload
5.0 Gbps
Starting From
$60/mo
Coverage
21 states
Xfinity
Largest cable provider with nationwide coverage
Max Download
2.0 Gbps
Max Upload
200 Mbps
Starting From
$40/mo
Coverage
42 states
Speed Comparison
Max Download Speed
Max Upload Speed
Feature Comparison
| Feature | AT&T Fiber | Xfinity |
|---|---|---|
| Max Download Speed | 5.0 Gbps | 2.0 Gbps |
| Max Upload Speed | 5.0 Gbps | 200 Mbps |
| Starting Price | $60/mo | $40/mo |
| Data Cap | Unlimited | No overage fees |
| Contract Required | No contract | No contract |
| Coverage | 21 states | 42 states |
| Technologies | Fiber | Cable, Fiber |
Pros & Cons
AT&T Fiber
- Symmetrical upload and download speeds
- No data caps on any plan
- Speeds up to 5 Gbps available
- Price lock guarantee
- Free equipment included
- Excellent reliability
- Limited availability (21 states)
- Professional installation required
- Higher starting price than cable
Xfinity
- Widespread availability across 40+ states
- Speeds up to 2 Gbps in select areas
- Free access to millions of WiFi hotspots
- Bundle discounts with TV and phone
- No annual contracts on most plans
- Reliable network infrastructure
- Price increases after promotional period
- Equipment rental fees add up
- Promo pricing requires 1-year commitment
Our Verdict
With a rating of 9.1/10, AT&T Fiber takes the edge in this comparison with its symmetrical upload and download speeds and no data caps on any plan. However, if widespread availability across 40+ states is more important to you, Xfinity is an excellent alternative.
Frequently Asked Questions
Is AT&T Fiber better than Xfinity?
AT&T Fiber scores higher in our testing (9.1/10 vs 8.5/10). AT&T Fiber excels at symmetrical upload and download speeds, while Xfinity is better for widespread availability across 40+ states.
Which is cheaper, AT&T Fiber or Xfinity?
Xfinity is more affordable at $40.00/mo vs $60.00/mo. Xfinity offers 33% savings.
AT&T Fiber vs Xfinity: which should I choose?
Choose AT&T Fiber if you prioritize symmetrical upload and download speeds. Choose Xfinity if you need widespread availability across 40+ states. Both are solid internet providers options.
What's the main difference between AT&T Fiber and Xfinity?
The main difference is AT&T Fiber offers premium fiber with symmetrical speeds and no data caps, while Xfinity focuses on largest cable provider with nationwide coverage.