Fiber, cable, and 5G home internet all bring the internet into your house. The difference is what carries it the last mile: a glass line, a copper cable, or a radio signal from a cell tower. That one difference explains most of what you will notice about speed, steadiness, and price.

This guide explains each in plain language, shows how many homes each one actually reaches using the FCC's own map data, and gives you a simple way to choose.

What is the difference between fiber, cable and 5G home internet?

  • Fiber sends light through a glass strand run to your home. Upload and download speeds are usually the same, it is not affected by neighbors' usage in the same way, and it does not care about the weather.
  • Cable uses the same coaxial line that carries cable TV. Download speeds are high; upload speeds are much lower. The line is shared in your neighborhood, so evenings can be slower.
  • 5G home internet (also called fixed wireless) is a box in your house that connects to a nearby cell tower, like a phone does. No wire is run to the home. Speed depends on your signal and how busy the tower is.

All three are "high-speed" by the FCC's definition, which treats anything over 25 Mbps as advanced service.[1] For most households the practical questions are steadiness, upload speed, and price.

How many homes can each one reach?

This is where most comparison articles guess. We computed it from the FCC's National Broadband Map data as of December 30, 2025, across 160.7 million U.S. homes and businesses, counting service at 100/20 Mbps or better:

TechnologyShare of U.S. locations reached
Cable83.0%
Fiber55.8%
Licensed fixed wireless (5G home internet)51.2%

Fiber reach varies enormously by state. Rhode Island (83.2%), Nebraska (77.9%), Kansas (76.6%), Tennessee (74.0%), and Iowa (73.0%) lead; Alaska (14.2%), New Mexico (28.2%), Arizona (35.1%), Michigan (35.3%), and Nevada (36.5%) trail. In 1,224 of 3,143 counties, fiber reaches fewer than half of homes. So "fiber vs cable" is only a real choice for about half the country; for the rest, the choice is cable vs 5G, or 5G vs satellite.

Fiber vs cable internet: which is better?

If both reach your address, fiber is usually the better line. It is steadier at busy hours and its upload speed matters more every year, for video calls, cloud photo backups, and security cameras.

Cable's advantage is that it is already there in 83% of locations in the FCC data, the entry prices are competitive, and for a household that mostly streams and browses, the difference is hard to notice day to day.

Published entry prices as of October 9, 2026, for comparison:

  • AT&T Fiber: 300 Mbps for $50 per month plus taxes and fees, after a $10 monthly discount for eligible autopay and paperless billing; limited availability.[2]
  • Xfinity (cable): 300 Mbps at $45 per month for five years for new customers using autopay with a stored bank account and paperless billing; taxes and fees extra; no annual contract.[3]

Prices vary by address, so use these as a sense of scale rather than a quote.

Is 5G home internet as good as cable or fiber?

It can be, at the right address. 5G home internet shines when the signal is strong and the tower is not crowded. It is simple (plug in a box), contract-free from the major carriers, and includes the equipment.

Its weakness is that performance is not the same from one house to the next, or even one room to the next. Verizon's base 5G Home plan is described as up to 100 Mbps download, and T-Mobile notes that speeds vary with local network conditions and management.[4][5] That is why both carriers offer trial windows: T-Mobile a 15-day test drive and Verizon a 30-day money-back window.[5][4]

Published prices as of October 9, 2026: T-Mobile's Rely plan is $50 per month with AutoPay plus taxes and fees; Verizon advertises plans from $35 per month with Auto Pay and a Verizon mobile plan.[5][4]

How do I choose for my house?

  1. Find out which of the three reach your address. Not your ZIP code, your address. This is the step that decides everything.
  2. If fiber is there and the price is close, take fiber.
  3. If it is cable vs 5G, choose cable if you work from home or have several heavy users; try 5G on a trial if you want simplicity and the signal is strong.
  4. If only 5G or satellite reach you, test 5G first during a trial window, in the evening.

What to do next

  • Enter your ZIP code above or call us with your street address. We tell you which of fiber, cable, and 5G home internet are built to your home, and today's price and conditions for each.
  • Ask for the price after any promotion ends and whether equipment is included.
  • If you choose 5G, sign up inside a trial window and test it at the hours you use it most.

Frequently asked questions

Is fiber more reliable than cable?
Generally yes. A fiber line is not shared the way a cable line is, is immune to electrical interference, and offers equal upload and download speeds. Both are steadier than a weak wireless signal.

Is 5G home internet good enough for streaming and video calls?
With a strong signal, yes. Verizon rates its base 5G Home plan at up to 100 Mbps download, well above the FCC's 25 Mbps "advanced" threshold.[4][1] Use the trial to confirm it holds up in the evening at your home.

Why can my neighbor get fiber and I cannot?
Fiber is built street by street. Our FCC data shows 1,224 counties where fiber reaches fewer than half of homes, and within a county the line often stops a block short. Only an address-level check can tell you.

Which is cheaper, fiber or cable?
At the entry level they are close: AT&T Fiber lists 300 Mbps at $50 per month and Xfinity cable lists 300 Mbps at $45 per month, each with autopay and paperless conditions, as of October 9, 2026.[2][3] The real difference shows up in year two, so ask what the price becomes.

Can I get fiber internet providers at my address?
Only if a fiber line has been built to it. A comparison call checks that in minutes and also tells you the cable and 5G alternatives if fiber is not there yet.

Sources

  1. FCC Household Broadband Guide. FCC, Household Broadband Guide, accessed October 9, 2026. ↩
  2. AT&T Fiber plans. AT&T Fiber plans page, accessed October 9, 2026. ↩
  3. Xfinity Internet plans. Xfinity Internet plans page, accessed October 9, 2026. ↩
  4. Verizon 5G Home Internet. Verizon 5G Home Internet page, accessed October 9, 2026. ↩
  5. T-Mobile 5G Home Internet plans. T-Mobile 5G Home Internet plans page, accessed October 9, 2026. ↩

Written with AI assistance and checked against the sources listed; our data from FCC/Census as dated. FCC data as of December 30, 2025; Census ACS 5-year 2020-2024. Editorial policy