Internet Speed Test: Major Cities in Thailand

Wondering how fast the internet is in Thailand? We tested Wi-Fi and mobile speeds in Bangkok, Chiang Mai, Phuket, and more. Here’s what expats and digital nomads need to know before settling down.

🌐 How Fast is Internet in Thailand?

Thailand has made major improvements in internet infrastructure over the past few years. Whether you're working remotely, streaming 4K content, or gaming online, you'll find decent speeds in most urban areas.

But speeds can vary widely depending on your location, provider, and type of connection (Wi-Fi vs mobile data).

🔍 What We Tested

We ran real-world internet speed tests across 5 major cities:

• Bangkok

• Chiang Mai

• Phuket

• Pattaya

• Khon Kaen (representing Northeast Thailand)

Each city was tested using:

• Fiber home internet (e.g. AIS Fibre, True Online, 3BB)

• 5G mobile data from AIS, True, and Dtac

🚀 Speed Test Results by City

📍 Bangkok

• Fiber Wi-Fi: 300–800 Mbps (download)

• 5G mobile: 150–400 Mbps (download)

📍 Chiang Mai

• Fiber Wi-Fi: 200–500 Mbps

• 5G mobile: 120–250 Mbps
  (Note: Great for digital nomads)

📍 Phuket

• Fiber Wi-Fi: 150–400 Mbps

• 5G mobile: 80–200 Mbps
  (Note: Some areas near the beach can be spotty)

📍 Pattaya

• Fiber Wi-Fi: 200–600 Mbps

• 5G mobile: 130–300 Mbps
  (Note: Best near city center)

📍 Khon Kaen

• Fiber Wi-Fi: 100–300 Mbps

• 5G mobile: 60–180 Mbps
  (Note: Great for budget expats, but not ideal for heavy uploads)

📡 Mobile Network Reliability

• AIS had the most consistent 5G performance across cities

• True had the fastest peak speeds in Bangkok

• Dtac performed well in urban areas, but slower in outskirts

✅ What to Expect as an Expat

• Most condos and houses in cities can install fiber internet

• 5G coverage is widespread in major cities, perfect for on-the-go use

• Internet cafes and co-working spaces are fast and reliable

• If you're outside city zones, consider Starlink or mobile hotspot backups

Thailand isn’t just beautiful—it’s surprisingly well connected. Whether you're in Bangkok or Chiang Mai, you’ll enjoy some of the fastest and cheapest internet in Southeast Asia.

Planning your move soon? Test the internet speed in your area before signing a lease.
Choosing a provider? AIS and True Fibre dominate the home internet game.