Is fiber always better than cable?

For upload speed and latency stability, yes. For download-only use on a well-maintained cable line the difference is smaller.

Is Ethernet still faster than WiFi?

For consistency, yes. Ethernet has stable sub-millisecond latency and no interference, even when WiFi peaks higher on paper.

Only if you have a multi-gigabit plan or a very congested RF environment. Below 1 Gbps, WiFi 6 is not the bottleneck.

Dual stack is ideal. IPv6 avoids carrier NAT, which helps hosting, gaming and peer-to-peer applications.

Bandwidth is maximum capacity; perceived speed is how quickly a task completes, which also depends on latency and server response time.

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Every comparison includes a full attribute table, pros and cons for both sides, scenario-based recommendations and frequently asked questions.

Get answers to common questions about internet speed testing.