Fiber is faster, highly reliable, more durable, and great for cloud-based or real-time work. Cable is cheaper to install and more accessible but can get slower during busy hours due to shared bandwidth and asymmetrical speed. Technically, both can reach 10,000Mbps (10Gbps)—cable internet's overall design just needs to catch up with fiber. Are you looking for better. If you're in the market for a new internet provider, you're likely aware of cable and fiber internet. This article will look at the main differences between Fiber. Fiber internet connections and cable internet connections have a few key differences that affect their download and upload speeds, which then affects the cost of each. Cable utilizes familiar copper wiring originally built.