Wi-Fi is usually slower than a wired connection because wireless signals lose speed and stability as they travel through the air.

A wired (Ethernet) connection sends data directly through a cable, while Wi-Fi has to deal with distance, interference, and obstacles - all of which reduce performance.

The simple answer

Wi-Fi is slower than wired internet because wireless signals are affected by interference and signal loss, while Ethernet provides a direct, stable connection.

That's why the same broadband connection often feels faster when you plug a device in.

How wired and wireless connections differ?

• Wired (Ethernet) connections send data through a physical cable
• Wi-Fi sends data through radio waves

A cable provides a clean, uninterrupted path. Wi-Fi, on the other hand, has to travel through walls, floors, furniture, and other devices - all of which weaken the signal.

What slows Wi-Fi down?

Several factors can reduce Wi-Fi speed:

• Distance from the router
• Thick walls and ceilings
• Other nearby Wi-Fi networks
• Household devices using the same channel
• Older routers or devices

As more interference is introduced, Wi-Fi has to retransmit data, which lowers speed and increases delay.

Why Ethernet feels faster and more stable

Ethernet connections:

• Deliver consistent speeds
• Have lower latency (less delay)
• Aren’t affected by interference
• Handle heavy usage better

This is why Ethernet is preferred for:

• Gaming
• Streaming in high quality
• Video calls
• Working from home

Is slower Wi-Fi normal?

Yes - some speed loss over Wi-Fi is completely normal.

Even with fast broadband, Wi-Fi speeds are almost always lower than wired speeds. The goal isn't to match Ethernet perfectly, but to make Wi-Fi fast and reliable enough for everyday use.

How to improve Wi-Fi speed?

You can reduce the gap between Wi-Fi and wired speeds by:

• Moving closer to the router
• Using the 5GHz band instead of 2.4GHz
• Placing the router in a central, open location
• Upgrading to a newer router or mesh Wi-Fi system
• Reducing interference from other devices

For critical tasks, using Ethernet is still the most reliable option.