Which Google Chromecast To Choose?

One important aspect when choosing a casting device is power consumption. In this article we compare the Chromecast 3 (2018 Version) with the Chromecast Ultra.

Google Chromecast 3.

In our tests, we compare idle and active wattage. Chromecast 3 needs about 0.6 W (watts) in idle while Chromecast Ultra consumes 1.7 W. When watching YouTube videos in HD, the consumption increases slightly to 1.0 W for Chromecast 3 and 2.0 W for Chromecast Ultra. The numbers are shown in Table 1.

Google Chromecast 3Google Chromecast Ultra
Idle0.6 W1.7 W
YouTube HD1.0 W2.0 W
Table 1: Comparing the power consumption of Chromecast 3 and Chromecast Ultra.

Conclusion

If you own a 4K TV, we recommend buying Google Chromecast Ultra. With a FullHD TV, Google Chromecast 3 is the better choice because of lower energy consumption. Note that Chromecast 3 can also be connected to your LAN using the Ethernet adapter if needed.

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