Guides · Comparison

CenturyLink vs. T-Mobile Home Internet

For anyone stuck on old copper, this is the most consequential comparison on the site — and the wireless option wins more often than people expect.

Jean Gilles · Founder & editor
Published Sep 17, 2026 · Updated Nov 6, 2026 · 4 min read
The verdict

If CenturyLink can only sell you DSL, T-Mobile Home Internet is usually the better choice: faster in practice, flat priced, no installer, no contract. If CenturyLink fiber is available at your address, take the fiber — it is more consistent and much stronger on uploads.

Updated Oct 5, 2026
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CenturyLink
DSL and fiber, depending on address
T-Mobile
5G fixed wireless
Technology
DSL over copper, or fiber where built
5G fixed wireless
Installation
Installer visit, existing phone line
Self-install, plug in the gateway
Upload speed
Symmetrical on fiber; very slow on DSL
Modest
Speed consistency
Steady
Varies with local cell congestion
Data cap
None
None, though heavy users may be deprioritised
Price over time
Flat
Flat, with discounts for mobile customers

The comparison that actually matters

Millions of homes sit in a particular trap: the incumbent telephone company offers DSL, has offered DSL for twenty years, and shows no sign of building fiber to that street. For those households, 5G home internet was the first real alternative to arrive in a very long time.

So the honest version of this comparison is not CenturyLink versus T-Mobile in the abstract. It is whether you are being offered fiber or copper, because that single fact flips the answer.

If CenturyLink can only offer DSL

T-Mobile Home Internet is very likely the better buy. Typical real-world speeds comfortably exceed what a long copper loop delivers, the price is flat and all-in, there is no annual contract, and you install it yourself in a few minutes by plugging in a gateway and finding a window.

The main tradeoff is consistency. Fixed wireless shares capacity with the mobile network, so speeds move around during the day, and performance depends on how far you are from the tower and what is between you and it. Most people find that variability easier to live with than DSL’s ceiling.

If CenturyLink can offer fiber

Take the fiber. Symmetrical uploads, low and steady latency, and performance that does not care how many neighbours are streaming are all things fixed wireless cannot match. For video calls, cloud backup, gaming, or any work that pushes data upstream, the difference is obvious within a day.

The flat pricing that makes T-Mobile attractive is also true of CenturyLink fiber, so you are not trading cost predictability for quality here.

Things people underestimate about wireless

Two practical advantages get overlooked. First, there is no installer appointment and no reliance on the condition of the copper or coax already in your walls — which, in an older building, can be the whole problem. Second, the gateway is portable. If you move within the coverage area you take it with you.

The thing people underestimate on the other side is upload. Wireless upload speeds are modest, and if you regularly send large files or appear on camera for a living, that is the constraint you will hit first.

Which should you get?

Check your address and let the technology decide. Fiber available: take fiber. Only DSL available: try T-Mobile, and note that because there is no contract, trying it is close to risk-free.

If you are on the fence and work from home on video, lean wired. If you are in a rental, on a short lease, or simply done with the incumbent, lean wireless.

More on this topic
What replaced CenturyLink? Fiber vs. 5G home internet T-Mobile vs. Verizon 5G Check your address
See what's available at your address
Coverage from federal filings, not provider marketing.
Check now →

Which CenturyLink you're comparing

If your offer says
Who runs it now
What it is
Quantum Fiber
AT&T (since Feb 2, 2026)
Fiber; customers are moving to AT&T Fiber. AT&T Fiber review
CenturyLink, in Brightspeed states
Brightspeed (Apollo Global)
Mostly copper DSL, with fiber being built in some areas
CenturyLink, elsewhere
Lumen
Copper DSL; speeds depend on your distance from the exchange

T-Mobile 5G Home Internet now

T-Mobile 5G Home Internet starts at $50/mo with a 5-year price lock, no annual contract and no data cap. It's often faster than CenturyLink DSL, but speeds vary by signal and time of day, and it can be deprioritized when the network is busy. T-Mobile review

How to choose

  • If AT&T Fiber (former Quantum) reaches you, take fiber: it's faster and steadier. AT&T Fiber: 300 Mbps $50/mo, 500 Mbps $65, 1 Gig $80, 5 Gig $125, with the $10 AutoPay and paperless discount, plus taxes. No data cap, no annual contract. Online orders of 1 Gig or 5 Gig get a $100 reward card.
  • If CenturyLink offers only DSL, try T-Mobile first; check the coverage at your address and test it during the trial.
  • Compare the 5G options: T-Mobile vs. Verizon 5G.

Related guides

See if T-Mobile reaches your address

Plans and prices depend on what reaches your address. Check before you compare.

T-Mobile 5G Home Internet5G home internet with no annual contractCheck availability →
Availability depends on your address. ShopHighSpeed may earn a commission on some links at no cost to you.
Sources (1)
  1. Plan pages and Broadband Facts labels from AT&T Fiber, T-Mobile 5G Home, checked Oct 2026

Prices and offers change often; confirm at your address before you order. How we research

Questions

Is T-Mobile Home Internet better than CenturyLink?

Usually better than CenturyLink DSL, and not as fast or steady as fiber. Where CenturyLink means fiber, now AT&T Fiber, fiber is the better choice.

How much is T-Mobile Home Internet?

It starts at $50/mo with a 5-year price lock, no annual contract and no data cap.

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About our expert
Jean Gilles
Founder & Editor, ShopHighSpeed

Jean founded ShopHighSpeed after trying to find one straight answer about business internet in his own town. He has been a Comcast and Verizon Fios customer, and ranks providers on what they actually deliver, not on what they advertise.

Internet + phone bundlesProvider comparisonsInternet plans & pricing
Jean Gilles · Founder & Editor
Ranks providers on what they actually deliver, not what they advertise.

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