Water Cooling the iPhone 6S! And other flagship phones
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Promos
When some review sites began comparing the performance of the iPhone 6S to that of the Macbook 2015, we knew we had to give it a similar water-based treatment... Squarespace link: squarespace.com and use offer code LINUS to save 10% off your first order! Logitech link: linustechtips.com dbrand link: dbrand.com Pricing & discussion: linustechtips.com Support us: linustechtips.com Join our community forum: bit.ly twitter.com @LinusTech Intro Screen Music Credit: Title: Laszlo - Supernova Video Link: youtube.com iTunes Download Link: itunes.apple.com Artist Link: soundcloud.com Outro Screen Music Credit: Approaching Nirvana - Sugar High youtube.com
The video investigates how far water cooling can push flagship phone CPUs, starting with a baseline test of the iPhone 6s under standard air cooling. The host runs Geekbench for ten minutes to track how scores degrade as the device heats, establishing a reference point that the iPhone 6s maintains strong performance without noticeable throttling in typical room conditions. The results show the device holding steady, suggesting that under normal use the iPhone 6s manages heat effectively and delivers consistent performance. Even though the plan to water cool a phone seems extreme, the host proceeds with a controlled ice water bath while keeping the device out of direct submersion to preserve usability for future testing. The experiment transitions into a discussion of whether there might be hidden performance headroom, prompting further tests with other devices. The video thus moves from a simple baseline to a broader comparative exploration of how different flagship phones respond to extreme cooling.
Topics · science_and_technology · hardware_benchmarking · thermal_management
Questions answered
- What was the baseline iPhone 6s Geekbench score under air cooling?
- The baseline score started around 4446 and remained consistently high over a ten minute run, showing minimal throttling in air cooling.
- How did the other devices perform under ice water cooling in the test?
- Under ice water, the Galaxy S6 Edge with Exynos 7420 generally held up well with a small performance drop, the LG G4 with Snapdragon 808 remained very stable, while the Snapdragon 810 devices showed more variability and general underperformance compared to their air-cooled results.
- What conclusion did the video reach about the iPhone 6s under different cooling conditions?
- The iPhone 6s performed exceptionally well under CPU-intensive tasks and did not throttle under air cooling; under extreme cooling with ice water, it stayed consistently strong, indicating excellent thermal management for CPU workloads.