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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPhone coolers can reduce heat and may help prevent performance drops when a phone is throttling during a sustained gaming session. They do not guarantee higher frame rates, and they will not fix network lag, weak hardware, or unrelated software problems. Whether one helps depends on your phone, game, settings, and whether heat is actually limiting performance.
When can a phone cooler improve gaming?
Phones may reduce performance to manage heat, a process called thermal throttling. The 2021 paper “Thermal-Aware Overclocking for Smartphones” describes it as “thermal-throttling, where performance is reduced in order to allow the device to cool down.” If heat is causing frame-rate drops during a long, demanding session, cooling may help the phone sustain performance. If heat is not the constraint, a cooler may lower temperature without making gameplay smoother.
The same paper reports that prior PhoneLab research, using a 150-device smartphone testbed, found throttling on over 80% of device-days. That is a reported finding across device-days—not a measurement of gaming sessions or a prediction that your phone will throttle.
What tests show about temperature and FPS
A June 2026 study by I Made Yudi Dharmawan, Made Sutha Yadnya, and Djul Fikry Budiman tested two mid-range phones playing Mobile Legends: Bang Bang. It compared Standard and HD graphics, 10-, 15-, and 20-minute runs, and cooler versus no-cooler conditions; each combination was repeated 30 times. The reported average changes were:
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| Phone | Graphics | Average temperature drop | Average FPS increase |
|---|---|---|---|
| Xiaomi | Standard | 9.24°C | 0.23 |
| Xiaomi | HD | 12.02°C | 14.08 |
| Infinix | Standard | 9.19°C | 0.011 |
| Infinix | HD | 10.92°C | 1.023 |
The study’s results show why lower temperature is not the same as higher FPS: cooling reduced temperature in all four phone-and-setting combinations, while FPS changes ranged from effectively negligible to substantial. These findings apply to the tested phones, game, settings, and runs; they do not establish what another phone or game will do. The study page says its data downloads are not yet available, so readers cannot inspect the underlying dataset there.
Examples from ASUS’s own testing
Manufacturer tests also illustrate that cooling can lower temperature without raising an already reported average frame rate. ASUS ROG’s article, “Cooling Solutions for Gaming Phones: A Deep Dive into ROG’s Thermal Mastery,” gives these ROG Phone 9 examples with and without AeroActive Cooler X Pro:
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| Game | Phone only | With AeroActive Cooler X Pro |
|---|---|---|
| Zenless Zone Zero | 43.4°C average; 60 FPS | 31.3°C average; 60 FPS |
| Wuthering Waves | 42.2°C average; 59.1 FPS | 31.2°C average; 59.1 FPS |
These are ASUS’s own test examples, not independent results. ASUS also says its AeroActive Cooler 6 lowered surface temperature near the CPU by up to 25°C compared with a ROG Phone 6 without the cooler in ASUS lab comparisons. That figure is a manufacturer surface-temperature result, not a promised FPS improvement; ASUS says results may vary.
What a cooler cannot fix
- Network lag: A cooler does not improve your connection or reduce online latency.
- Hardware limits: It cannot give a phone a faster processor or graphics chip.
- Other causes of stutter: The evidence here does not show that cooling resolves unrelated software or hardware problems.
How to choose a phone cooler
Compare the accessory against your specific phone and gaming setup rather than relying on the largest temperature-drop claim.
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- Compatibility: Confirm the exact supported phone model and whether you need to remove your case.
- Placement: Check where it attaches and whether that position corresponds to the phone’s internal hot spot.
- Cooling and power: Find out whether it uses a fan, thermoelectric cooling, or both, and whether it needs a cable or separate power.
- Comfort: Consider fit, grip, noise, and whether it suits how you play.
- Relevant performance evidence: Look for sustained FPS results on your phone and game, not just a maximum temperature reduction.
For example, ASUS describes its ROG AeroActive Cooler 6 as an accessory for the ROG Phone 6 series. It offers fan-only cooling, thermoelectric cooling powered by the phone, and a stronger thermoelectric mode using external power; it also has gaming buttons. It should not be assumed to fit a generic iPhone or Android handset. ASUS warns that excessive cooling could cause condensation and says the accessory has a humidity-sensor protection mechanism. The available evidence does not provide a standardized cross-brand benchmark for ranking phone coolers.
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How to tell whether heat is behind your lag
- Notice when the problem starts. If frame-rate drops appear during longer, demanding sessions, heat may be a factor; that pattern alone does not prove throttling.
- Separate frame-rate issues from connection issues. A cooler targets device temperature, not network delay.
- Check evidence for your exact setup. Look for sustained game-performance results on the same phone or a closely matching model, at comparable graphics settings.
- Judge the outcome by smoothness as well as temperature. A cooler can make a phone cooler without producing a noticeable FPS increase, as the cited tests demonstrate.
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