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Tracee Hsiang

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Aug 2, 2024, 4:14:42 AM8/2/24

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To be exact, Netflix uses 0.7 gigabytes of data per hour for standard definition video quality, but rounding that number up to 1GB is an easy way to make sure you don't go over your alloted amount of Netflix data usage.

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Yes, you can stream Netflix over cellular data. You'll need to connect the phone to the television via a cable. You should also keep a very close eye on your data usage. Streaming video can use it up very rapidly.

Well, until I changed internet providers, my LTE connection was better than my home internet so, I can certainly imagine it. But, given the amount of data the streaming of video I do would use up, I think my carrier would kick me off my grandfathered unlimited data plan. ?

Connection is great. I've been streaming on I phone. I looked into it, and I can mirror (stream) from phone to tv using an HDMI cable with a Lightning Digital AV adapter. ($49) I can't get Internet at home. I have direct tv, but like some of the new shows on Netflix. I think I use around 1gb per hr. from experience with phone. I'm just interested in a few shows or movies now and then so I should be ok. My experience with cell data is once you hit certain usage they slow you down. I've never heard of contract be canceled. Thanks for the reply, it was helpful.

I have an unlimited data plan with NO hot spot. I haven't bought an Apple TV yet but I was wondering if it is possible to use Apple Tv and AirPlay on my iPhone 6 soley by an LTE/4G connection. I travel often for work and often do not have wifi internet available but do have a TV. So I'd like to be able to use my iphone's data connection to stream Netflix, YouTube, etc. I would not do this often so I doubt AT&T would have any more of problem than me watching Netflix directly from my phone. I could easily also bring and use a small router for my phone and Apple TV to communicate even though it wouldn't be connected to the Internet.

Also, after watching a useful YouTube video, I have found that it is possible to connect to a router without internet but still use the phone's LTE connection by forcing a static ip and subnet address. I have a chrome cast and tried streaming with it, but the chromecast wouldn't work without Internet to the router. If you know that it's possible or could test this for me, I would greatly appreciate it. Thanks so much.

If your plan doesn't offer a hotspot you would be unable to connect with Apple TV. Even then you wouldn't be able to connect to your phone's network and use airplay at the same time and it would need to be verified what the terms of your plan state in terms of this type of streaming.

Thank you for the reply. I don't see that the bandwidth usage would be any different from watching Netflix over my LTE connection on my iPhone's screen compared to streaming SD quality video through AirPlay (as I have my Netflix account set to stream SD instead of HD). But in any case, are you saying that it is not possible to use AirPlay and my phone's data connection even if the phone is also connected to a router?

If you have the correct version Apple TV, you can connect to it peer to peer from your iPhone, so you don't need a wifi connection. Then you can stream to you phone using LTE/4G and then use AirPlay to send to the Apple TV. In theory, this should work. I use Neflix on my iPhone and Airplay it to the Apple TV. Unfortunately, it is not reliable. Sometime is works perfectly and other times it just wont connect properly. Some say it is bandwidth issue, but I believe it Netflix app issue.

To make a long story short, you can connect your iphone to Apple TV peer to peer and then use AirPlay to get your video to the TV. From there it depends on the specific App you are using and how it interacts with Airplay.

One issue you might see is that because the M5 is more capable than the last hotspot you had, netflix could be using more data because its recognizing that the bandwidth is there to do so. Maybe you were only streaming 1080p and now are streaming 4K.

Even before millions were confined to their homes by a global pandemic, improvements in internet connections and service offerings had led to an exponential increase in the use of streaming video around the world. With few options left for entertainment, streaming services are taking off. In this commentary, we examine the carbon footprint of these services.

Streaming services are associated with energy use and carbon emissions from devices, network infrastructure and data centres. Yet, contrary to a slew of recent misleading media coverage, the climate impacts of streaming video remain relatively modest, particularly compared to other activities and sectors.

Drawing on our analysis and other credible sources, we expose the flawed assumptions in one widely reported estimate of the emissions from watching 30 minutes of Netflix. These exaggerate the actual climate impact by up 90 times.

The relatively low climate impact of streaming video today is thanks to rapid improvements in the energy efficiency of data centres, networks and devices. But slowing efficiency gains, rebound effects and new demands from emerging technologies, including artificial intelligence (AI) and blockchain, raise increasing concerns about the overall environmental impacts of the sector over the coming decades.

Update 11/12/2020: The energy intensity figures for data centres and data transmission networks were updated to reflect more recent data and research. As a result, the central IEA estimate for one hour of streaming video in 2019 is now 36gCO2, down from 82gCO2 in the original analysis published in February 2020. The updated charts and comparisons also include the corrected values published by The Shift Project in June 2020, as well as other recent estimates quoted by the media.

Looking at electricity consumption alone, the original Shift Project figures imply that one hour of Netflix consumes 6.1 kilowatt hours (kWh) of electricity. This is enough to drive a Tesla Model S more than 30km, power an LED lightbulb constantly for a month, or boil a kettle once a day for nearly three months. The corrected figures imply that one hour of Netflix consumes 0.8 kWh.

With 167 million Netflix subscribers watching an average of two hours per day, the corrected Shift Project figures imply that Netflix streaming consumes around 94 terawatt hours (TWh) per year, which is 200 times larger than figures reported by Netflix (0.45TWh in 2019).

The assumptions behind the Shift Project analysis (largely based on a 2015 paper, whose assumptions have been significantly revised in 2019 and 2020) contain a series of flaws, which, taken together, seriously exaggerate the electricity consumed by streaming video.

This difference stemmed from a stated assumption of 3Mbps apparently being converted in error to 3 megabytes per second, MBps, with each byte equivalent to eight bits. The Shift Project corrected this error in their June 2020 update, but did not revise any of their other assumptions, discussed below.

The Shift Project analysis overestimates the energy intensity of data centres and content delivery networks (CDNs) that serve streaming video to consumers by around 35-fold, relative to figures derived from 2019 Netflix electricity consumption data and subscriber usage data.

My original February 2020 analysis showed that the Shift Project assumptions for data transmission energy intensity (0.15-0.88 kWh/GB) were much higher than more recent estimates (0.025-0.23kWh/GB). However, the latest research shows that these data-based intensity values (kWh/GB) are not appropriate for estimating the network energy use of high bitrate applications such as streaming video. Instead, experts advise using time-based energy intensity values (kWh per viewing hour). Therefore, my assumptions for data transmission energy use have been updated with time-based energy intensity values.

Taken together, my updated analysis suggests that streaming a Netflix video in 2019 typically consumed around 0.077 kWh of electricity per hour, some 80-times less than the original estimate by the Shift Project (6.1 kWh) and 10-times less than the corrected estimated (0.78 kWh), as shown in the chart, below left. The results are highly sensitive to the choice of viewing device, type of network connection and resolution, as shown in the chart, below right.

The IEA estimate is also substantially lower than other estimates quoted in the media, including 22-times lower than the Despacito claim (cited on Channel 4, the BBC, Fortune, and Al Jazeera, assuming a global average grid mix) and 11-times lower than the claim by Save On Energy that 80 million views of Birdbox emitted 66ktCO2 (cited in the New Yorker, Euronews, Forbes, Die Welt, and the Daily Mail). My estimate of 36gCO2 per hour is over 2100-times lower than Marks et al. (2020) who estimated that 35 hours of HD video emits 2.68tCO2, or 77kgCO2 per hour.