Quantum Fiber vs Xfinity
Comparing two of the most popular internet service providers. See how Quantum 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
Xfinity beats Quantum Fiber for most users. Widespread availability across 40+ states. Choose Quantum Fiber if you need Price for life guarantee.
Quantum Fiber
Fiber with price-lock guarantee up to 8 Gbps
Max Download
8.0 Gbps
Max Upload
8.0 Gbps
Starting From
$45/mo
Coverage
36 states
Xfinity
WinnerLargest 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 | Quantum Fiber | Xfinity |
|---|---|---|
| Max Download Speed | 8.0 Gbps | 2.0 Gbps |
| Max Upload Speed | 8.0 Gbps | 200 Mbps |
| Starting Price | $45/mo | $40/mo |
| Data Cap | Unlimited | No overage fees |
| Contract Required | No contract | No contract |
| Coverage | 36 states | 42 states |
| Technologies | Fiber, DSL | Cable, Fiber |
Pros & Cons
Quantum Fiber
- Price for life guarantee
- No data caps
- No contracts required
- Fiber expanding to more areas
- Simple pricing structure
- Good customer service ratings
- DSL speeds very slow in many areas
- Fiber availability limited
- Aging infrastructure in some regions
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 8.5/10, Xfinity takes the edge in this comparison with its widespread availability across 40+ states and speeds up to 2 gbps in select areas. However, if price for life guarantee is more important to you, Quantum Fiber is an excellent alternative.
Frequently Asked Questions
Is Quantum Fiber better than Xfinity?
Xfinity scores higher in our testing (8.5/10 vs 8/10). Xfinity excels at widespread availability across 40+ states, while Quantum Fiber is better for price for life guarantee.
Which is cheaper, Quantum Fiber or Xfinity?
Xfinity is more affordable at $40.00/mo vs $45.00/mo. Xfinity offers 11% savings.
Quantum Fiber vs Xfinity: which should I choose?
Choose Quantum Fiber if you prioritize price for life guarantee. Choose Xfinity if you need widespread availability across 40+ states. Both are solid internet providers options.
What's the main difference between Quantum Fiber and Xfinity?
The main difference is Quantum Fiber offers fiber with price-lock guarantee up to 8 gbps, while Xfinity focuses on largest cable provider with nationwide coverage.