Apple offers an underrated feature that separates the Apple TV 4K from most streaming devices: a built-in Gigabit Ethernet port.

Most consumers focus on:

• Wi-Fi speeds
• app libraries
• or picture quality

Hardwired Ethernet remains one of the biggest advantages for serious streaming and smart-home users.

Ethernet still matters:

📺 More stable 4K streaming
A wired connection reduces:

• buffering
• latency
• and Wi-Fi congestion
  especially in crowded apartments or homes with many connected devices.

🎮 Better game streaming & cloud gaming
Ethernet provides lower latency for:

• Apple Arcade
• Steam Link
• Moonlight
• and cloud gaming services

🏠 Smart home reliability
The 128GB Apple TV 4K model also includes:

• Thread border router support,
  which improves responsiveness for Matter-compatible smart-home devices.

⚡ Consistent high-bitrate playback
For Plex users and home theater enthusiasts, wired Ethernet helps maintain smoother playback for:

• large local media files,
• Dolby Atmos,
• and high-bitrate 4K HDR content.

This feature has become surprisingly rare because many competitors:

• Roku sticks
• Fire TV devices
• and lower-end streaming boxes

either:

• omit Ethernet entirely
• or require separate adapters

One important catch:
Only the higher-end 128GB Apple TV 4K model includes Ethernet + Thread support. The cheaper 64GB version is Wi-Fi only.

The broader takeaway:
While Ethernet sounds old-school, Apple quietly built one of the most future-proof streaming boxes for users who care about:

• reliability
• home theater quality
• smart-home integration
• and long-term performance