Technology Comparison at a Glance
| Technology | Download | Upload | Latency | Data Cap | Price |
|---|---|---|---|---|---|
| Fiber | 500-8,000 Mbps | 500-8,000 Mbps | 1-5 ms | Usually none | $50-100/mo |
| Cable | 100-1,200 Mbps | 10-35 Mbps | 10-30 ms | 1-1.2 TB | $50-100/mo |
| DSL | 20-100 Mbps | 3-10 Mbps | 20-50 ms | Usually none | $30-60/mo |
| 5G FWA | 50-300 Mbps | 10-50 Mbps | 25-50 ms | Soft cap | $50-60/mo |
| Satellite | 50-200 Mbps | 5-20 Mbps | 20-40 ms* | Soft cap | $90-120/mo |
* Starlink LEO latency. Traditional geostationary satellite: 600+ ms.
Fiber Optic: The Gold Standard
Fiber optic internet transmits data as pulses of light through glass strands. It is the only residential technology that delivers symmetrical speeds — equal download and upload. A 1 Gbps fiber plan actually gives you 1 Gbps up and 1 Gbps down. Fiber has the lowest latency (1-5 ms), is not affected by distance from the ISP's equipment, and does not slow during peak hours because each home has dedicated capacity. Major fiber providers include AT&T Fiber, Verizon FiOS, Google Fiber, Frontier Fiber, and hundreds of regional providers. The main limitation is availability — fiber passes approximately 45% of U.S. homes as of 2026, with BEAD funding expected to expand that significantly by 2028.
Cable Internet: Ubiquitous but Asymmetric
Cable internet uses the same coaxial lines as cable TV, available to about 90% of U.S. homes. Download speeds are competitive with fiber at 100-1,200 Mbps, but upload speeds are the Achilles heel — most cable plans offer only 10-35 Mbps upload. Cable is a shared medium, meaning you share bandwidth with neighbors, causing 20-40% speed drops during peak evening hours. Comcast (Xfinity) and Charter (Spectrum) dominate the cable market. DOCSIS 4.0 deployments starting in 2025 will bring multi-gigabit symmetrical speeds to cable, but widespread availability is years away.
DSL: Legacy Technology, Still Hanging On
DSL runs over copper telephone lines and was the first widely available broadband technology. Speeds max out at 100 Mbps with VDSL, but real-world performance depends heavily on distance from the provider's central office. Beyond 5,000 feet, speeds drop to 20-40 Mbps. Beyond 10,000 feet, speeds may be under 10 Mbps. AT&T, the largest DSL provider, stopped taking new DSL orders in 2020. If DSL is your only wired option, consider 5G fixed wireless (T-Mobile or Verizon) or Starlink as alternatives.
Fixed Wireless (5G Home Internet)
Fixed wireless access (FWA) uses 4G LTE or 5G cellular signals to deliver home internet. T-Mobile Home Internet and Verizon 5G Home are the major providers, typically offering 50-300 Mbps at $50-60/month with no contract. Performance depends on tower proximity, congestion, and whether you have 5G mid-band or low-band coverage. FWA is capacity-constrained — providers limit signups in congested areas. It has become a genuine third option in many suburban markets, breaking the cable/fiber duopoly.
Satellite: Starlink Changed Everything
Traditional satellite internet (HughesNet, Viasat) orbits at 22,000 miles, causing 600+ ms latency that makes video calls and gaming unusable. SpaceX's Starlink operates in low-earth orbit (340 miles), cutting latency to 20-40 ms and delivering 50-200 Mbps. Starlink costs $120/month plus a $599 hardware kit. It is a transformative option for rural areas with no wired broadband, but in areas with cable or fiber, traditional ISPs typically offer better performance at lower cost.
See how your connection compares to these technology benchmarks.
Which Should You Choose?
Choose Fiber if available
Best for: everyone. Symmetrical speeds, lowest latency, no caps. Price-competitive with cable.
Choose Cable if no fiber
Best for: download-heavy use (streaming, gaming). Watch for data caps and weak upload speeds.
Choose 5G FWA if only 1 wired ISP
Best for: breaking a monopoly. No contract, competitive pricing, decent speed. Performance varies.
Choose Starlink if no wired options
Best for: rural areas. Higher cost but may be your only broadband option. Latency now acceptable for video calls.
Frequently Asked Questions
Is fiber internet worth the cost?
Yes, in most markets fiber is price-competitive with cable while offering faster speeds, symmetrical upload, lower latency, and no data caps. AT&T Fiber, Google Fiber, and many regional providers price gigabit fiber at $70-80/month. The main downside is availability — fiber passes only about 45% of U.S. homes.
What is the fastest type of internet?
Fiber optic is the fastest consumer internet technology, with plans available up to 8 Gbps (8,000 Mbps). Cable internet tops out at about 1.2 Gbps with DOCSIS 3.1. DOCSIS 4.0 will push cable to multi-gigabit speeds. Fixed wireless 5G can reach 1 Gbps in ideal conditions but typically delivers 100-300 Mbps.
Can cable internet be as good as fiber?
Cable can match fiber on download speed with DOCSIS 3.1 and 4.0. However, cable upload speeds are typically 10-35 Mbps vs. symmetrical on fiber. Cable also has higher latency, more peak-hour congestion, and often imposes data caps. For download-heavy use, cable is competitive. For remote work and cloud computing, fiber is meaningfully better.
Is DSL still available?
DSL is available in many areas but major ISPs are phasing it out. AT&T stopped taking new DSL orders in 2020. Verizon has been replacing DSL with FiOS fiber and fixed wireless. CenturyLink/Lumen still offers DSL in some markets. If DSL is your only option, check for T-Mobile or Verizon 5G Home Internet or Starlink as alternatives.
Is Starlink better than cable?
It depends on location. In rural areas with no cable or slow DSL, Starlink (50-200 Mbps, 20-40 ms latency) is a significant upgrade. In suburban and urban areas where cable offers 200+ Mbps, cable is usually faster and more consistent. Starlink performance can degrade during peak usage and bad weather. Starlink costs $120/month plus $599 for equipment.