How Fast Is Fiber Internet?

Caroline Lefelhoc / Updated Apr 22, 2026 | Pub. Apr 22, 2026

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Fiber internet has been growing its reputation as the fastest connection type available today, but how fast is fast? Instead of throwing around a bunch of technical terms that anyone outside of IT probably doesn’t understand, we’ll break it down in plain terms.

If you decide you want to skip the “how fast is fiber” spiel and get right to scheduling your Fidium Fiber internet installation, you can call 1-833-970-4577.

The Fastest Residential Internet Available

The FCC’s current broadband benchmark requires at least 100 Mbps download and 20 Mbps upload to be considered as high-speed internet. Fidium Fiber (and fiber internet in general) blows past that bar by 10x on the download side. On the upload side, the gap is dramatic. If you’re signing up for a cable internet plan advertised at 1,000 Mbps downloads, you likely only receive 35 Mbps upload speeds. Fiber delivers symmetrical speeds, meaning your upload and download speeds are the same. So, if you sign up for Fidium Fiber’s 1,000 Mbps plan, you get 1,000 Mbps upload and 1,000 Mbps download.

According to Ookla’s Speedtest Global Index data from Q1 2026, the average fixed broadband download speed in the United States sits at 242 Mbps. Fidium Fiber offers 100 Mbps, 300 Mbps, 1 Gbps, and 2 Gbps plans.

Why Fiber Is Faster

The reason fiber internet is so much faster than cable, fixed wireless, satellite, and DSL comes down to physics (stick with us here). Traditional cable internet transmits data through copper coaxial cables using electrical signals. DSL does the same over old telephone lines. Fiber-optic cables, however, transmit data as light through ultra-thin strands of glass or plastic. Light moves through fiber at roughly 70 percent of the speed of light in a vacuum, which is approximately 200,000 kilometers per second inside the cable. Electrical signals in copper cables travel at a fraction of that speed and degrade significantly over distance.

Fiber signals can travel thousands of kilometers without signal loss. DSL connections degrade the farther you are from the provider’s central hub, which is why your neighbor with the same plan might get noticeably better speeds than you do, depending on proximity to the network equipment.

Fiber cables are immune to electromagnetic interference that can disrupt copper-based connections. Power lines, household appliances, and radio frequencies that might degrade a cable or DSL signal have no effect on light-based transmission.

How these speeds perform

Fiber Speed in Real Terms

Numbers like “1,000 Mbps" can feel abstract. The table below translates those numbers into tasks you actually perform online, comparing dial-up, a solid cable connection, and gigabit fiber:

Task	Dial-Up (56 Kbps)	Cable (100 Mbps)	Fiber (1 Gbps)
Download a 50 GB game	~83 days	~67 minutes	~7 minutes
Stream a 4K movie (15 GB)	Not feasible	~20 minutes to buffer	Instant / no buffering
Back up 10 GB of photos to the cloud	~25 days	~13 minutes	~1.5 minutes
Download a 2-hour HD movie (8 GB)	~10 days	~11 minutes	~64 seconds
Video call (per hour, upload)	Impossible	Works (upload-limited)	Crystal-clear symmetrical

A fiber connection does not just save you a few seconds here and there. For data-intensive tasks like downloading large game files, backing up a camera roll to cloud storage, or uploading a presentation before a client call, the difference is measured in hours, not milliseconds.

Speed Is Only Part of the Story

Download speed gets most of the attention when people compare internet plans, but latency is equally important for many of the things people use the internet for. Latency is the time it takes for a signal to travel from your device to a server and back, measured in milliseconds (ms). Lower latency is better.

Fiber connections deliver latency in the range of 5 to 20 ms to nearby servers. Cable internet latency ranges from 15 to 35 ms. Traditional geostationary satellite internet suffers from a brutal 600 to 800 ms delay because the signal must physically travel from your home to a satellite about 22,000 miles above Earth and back again. Even modern low-Earth-orbit satellite services like Starlink, which have dramatically reduced satellite latency, still average 20 to 50 ms, trailing well behind fiber.

Why does this matter in practice? Low latency is the difference between a video call where participants sound like they are in the same room and one where every sentence is punctuated by awkward half-second delays. It is the difference between a competitive game of COD that responds to your inputs instantly and one where your character is always a beat behind. It is also what makes real-time collaboration tools, cloud-based applications, and VoIP phone services feel smooth and professional rather than sluggish.

Upload Speeds

Here is something that does not get nearly enough attention when people compare internet providers: most cable plans are asymmetrical. You might subscribe to a plan advertised as “1 Gig" and receive 1,000 Mbps download, but your upload speed could be as low as 35 Mbps. That matters more than most people realize.

Upload speed determines how quickly you can send data out to the internet, which includes video call quality (both your video and your audio are being uploaded in real time), sharing large files with colleagues, uploading content to YouTube or social media, performing cloud backups, and collaborating on shared documents and design files. The uptick in remote work and content creation has made upload speed an important factor when shopping for internet.

Fiber vs. Cable vs. DSL

Cable internet uses a hybrid network of fiber and coaxial copper cables to deliver broadband to homes. Cable can achieve fast download speeds, but upload speeds lag, and performance can dip during peak hours when neighbors on the same network segment are all online simultaneously. It remains the most widely available high-speed option in suburban areas.

DSL internet runs over existing telephone lines and tops out at speeds well below 100 Mbps for most subscribers. Because DSL speeds depend heavily on distance from the provider’s switching equipment, real-world performance varies widely from address to address.

Fiber internet delivers a dedicated, light-based connection that does not slow down during peak hours, does not degrade over distance within the local network, and offers symmetrical speeds. Fiber is also ready for the future: upgrading a fiber network to higher speeds requires changing the equipment at each end, not replacing the cables themselves.

Is Fidium Fiber Available in My Area?

Fidium Fiber is currently available in eight states: California, Illinois, Maine, Minnesota, New Hampshire, Pennsylvania, Texas, and Vermont.

The fastest way to find out if Fidium Fiber is available near you is to search by your zip code here or call 1-833-970-4577.

Get Fidium Fiber Installed Today

Fidium Fiber brings gigabit-speed, symmetrical fiber internet directly to your home, with plans built for the way people live online today. No throttling during peak hours, no surprise upload limitations, and the low latency that makes everything from video calls to gaming feel noticeably better.

Enter your zip code here to see if Fidium Fiber internet is available at your address and compare the available internet plans.

If Fidium Fiber isn’t available near you, you can enter your zip code on CompareInternet.com to view internet providers and deals near you.

Frequently Asked Questions

Q: How fast is fiber internet compared to cable?

Fiber and cable can offer similar download speeds on paper, with both reaching 1,000 Mbps on their top residential plans. The real difference shows up in upload speeds and consistency. Cable plans commonly offer 35 to 50 Mbps upload, while fiber delivers symmetrical speeds, meaning 1,000 Mbps up and down. Fiber also maintains consistent performance during peak usage hours when cable networks may slow down due to shared bandwidth among neighbors.

Q: Do I need gigabit fiber internet, or is a lower speed tier enough?

For most single-person or two-person households with moderate usage, plans between 300 Mbps and 500 Mbps are more than sufficient. Households with four or more people, multiple simultaneous 4K streams, frequent video calls, cloud gaming, or regular large file uploads will feel the difference with a 1 Gbps plan. The right choice depends on your household size, the number of connected devices, and how many people are online at the same time.

Q: Why does fiber have better latency than satellite internet?

Latency is determined by how far the signal has to travel. Fiber sends data through cables on or under the ground, so the signal travels only as far as the physical distance between your home and the destination server, typically resulting in 5 to 20 ms round-trip times. Satellite internet, even modern low-Earth orbit systems, requires the signal to travel up to a satellite in orbit and back down to Earth before reaching any destination, adding significant distance and delay to every data packet.