Fiber vs cable vs DSL (vs 5G home internet)
The technology that reaches your wall decides your ceiling — for speed, for upload, and for how the line behaves at 9 pm.
DSL: the phone line at its limit
DSL runs over copper telephone wire, and physics is unkind to it: speed falls off sharply with distance from the exchange or street cabinet. Close in, VDSL can manage 50–100 Mbps; a kilometer out, 10–30 Mbps is typical, with single-digit uploads.
Its one virtue is that the line is yours alone, so evening slowdowns are rare. If DSL is your only option, distance to the cabinet matters more than the plan you choose.
Cable: fast down, shared, asymmetric
Cable internet (DOCSIS 3.1) rides the coaxial TV network and delivers serious downstream — plans from 100 Mbps to 2 Gbps are common. The catches: upload is usually a small fraction of download (20–50 Mbps is typical even on gigabit plans), and the segment is shared with your neighborhood, so peak-evening dips happen.
Cable networks are also historically prone to bufferbloat — latency that balloons under load. If your calls stutter while someone streams, test loaded latency before blaming the plan. Newer DOCSIS 4.0 deployments improve both upload and latency where available.
Fiber: the ceiling raiser
Fiber-to-the-home carries light instead of electricity, which means symmetric plans (equal upload), low and stable latency, no distance penalty within the city, and easy multi-gigabit ceilings (XGS-PON commonly offers 1–10 Gbps).
For most people the everyday difference is not the headline download — it is the upload and the responsiveness. Backups, video calls and cloud work simply stop being a negotiation. If fiber is available at your address at a similar price, it is almost always the right switch.
5G home internet: the wildcard
Fixed-wireless 5G can deliver 100–1000 Mbps with no cables at all, and it is improving fast. Its weakness is consistency: speeds swing with cell load, weather and indoor placement of the receiver, and latency is typically higher and jumpier than fiber or cable.
It shines where wires are poor — and as a genuinely useful backup line. Test it across several days and hours before making it your primary connection.
Which should you choose?
Fiber if you can get it. Cable if you need big downstream and fiber has not arrived. DSL when it is that or nothing — spend your money on a good router instead of a bigger DSL plan. 5G when wires fail you or as a backup.
Whatever you run, measure it: a test at a wired desk, one over Wi-Fi, and one at 9 pm tells you more about your real service than any brochure.