Frontier Fiber vs. Cox
An honest, side-by-side comparison to help you choose the right internet provider. Updated March 2026.
| Feature | Frontier Fiber | Cox |
|---|---|---|
| Technology | Fiber (XGS-PON) | Cable (DOCSIS 3.1) |
| Max Download | Up to 7 Gbps | Up to 2 Gbps |
| Max Upload | Up to 7 Gbps | Up to 100 Mbps |
| Data Caps | None — unlimited | 1.25 TB/month |
| Contract Required | None | 1-2 year typical |
| Installation Cost | Free | $100 |
| Equipment | Free eero router | $13/mo rental |
| Starting Price | $29.99/mo | $49.99/mo |
| Reliability | 99.9% uptime | ~98% uptime |
Why Frontier Beats Cox
Symmetrical speeds — Cox upload maxes at 100 Mbps, Frontier matches download
No data caps — Cox has 1.25 TB cap with $10/50 GB overage fees
No contracts — Cox typically requires 1-2 year agreements
Lower starting price — $29.99/mo vs $49.99/mo
Free equipment — Cox charges $13/mo for router rental
The Bottom Line on Cox
Cox relies on aging cable infrastructure with data caps, contracts, and severely limited upload speeds. Their 1.25 TB data cap can cost heavy users an extra $40-50/month in overage charges.
Frequently Asked Questions
Is Frontier better than Cox?
Frontier Fiber offers symmetrical speeds up to 7 Gbps, no data caps, no contracts, and free installation starting at $29.99/mo. Cox relies on aging cable infrastructure with data caps, contracts, and severely limited upload speeds. Their 1.25 TB data cap can cost heavy users an extra $40-50/month in overage charges.
How do Frontier and Cox compare on price?
Frontier starts at $29.99/mo with Auto Pay. Cox starts at $49.99/mo. Frontier includes a free eero router; Cox charges $13/mo rental.
Does Cox have data caps?
Cox data cap policy: 1.25 TB/month. Frontier Fiber has no data caps on any plan.
Ready to Switch from Cox?
Get Frontier Fiber starting at $29.99/mo with free installation, a free eero router, and no data caps.