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Android · Phone cooling2 min read

Some Android phones now have built-in cooling fans, and there are tradeoffs

Cooling fans are spreading from gaming phones to more Android models. A tech writer says the cost in battery space and noise may not be worth it.

By the Dashline deskSource: How-To Geek
Some Android phones now have built-in cooling fans, and there are tradeoffs
Photo: How-To Geek

Cooling fans, long a feature of laptops and game consoles, are showing up in more Android phones. The OnePlus Ace 7 and the Honor Win 2 Series are the latest to include one. A writer at How-To Geek argues that buyers should think twice, because a fan takes space and makes noise.

What changed

Phones with fans are not brand new. Older devices have had them. But they were mostly kept for niche gaming phones. Now they are reaching a wider set of handsets, including two from strong Android brands around the world.

Why makers add them

Anyone who has played a demanding game on a phone knows how hot it can get in the hands. A fan is meant to help in three ways:

  • Slow thermal throttling, where the phone cuts its speed as it heats up
  • Ease hot spots so the phone feels better to hold
  • Help protect long-term battery health

The tradeoffs

The first problem is room. A fan takes space inside the phone that could hold a bigger battery or camera parts. Phones are small, so there is little space for air to move. The writer notes that a phone's basic heat design, without a fan, is arguably more important.

The second is battery drain. Heavy tasks already use a lot of power, and the fan then adds its own load. The third is noise. Small fans must spin fast to move enough air, so the sound is easy to notice. Headphones may hide it from the player, but people nearby can still hear it.

The bigger worry

The writer calls fans a band-aid that can make existing problems worse. There is also a concern that chip makers may push heat limits further, knowing more phones come with fans. The piece asks whether a phone that runs too hot to hold without active cooling is a good idea at all.

What to do

Weigh a fan against how you really use your phone. The writer suggests only hardcore mobile gamers would likely give up battery or camera space for better cooling. If you mostly text, browse and take photos, a bigger battery may matter more.

What is not known yet

The technology is in its early days. The article does not say how much battery space the OnePlus Ace 7 or Honor Win 2 Series give up, or how loud their fans are. The writer says firm judgment will have to wait.

The takeaway

A phone fan may cool a gaming session, but it can cost battery size and add noise, so buy one only if you play demanding games.

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