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Maybe don’t buy into the 8K video recording hype yet
June 28, 2025
We are getting 8K recording sometime in 2020. It’s not really a secret. After all, theSnapdragon 865 comes with native supportfor 8K video recording and theGalaxy S20 has it as well. It’s definitely something different and shows the power of today’s smartphones. That said, this is the first generation of 8K recording and, for heaven’s sake, it’s 8K recording. There are almost certainly going to be some issues with this on the onset, so maybe we shouldn’t get too excited just yet.
4K’s introduction didn’t go smoothly either
This problem is surprisingly common. During discussions for this very article, fellow writer Hadlee Simons regaled me with tales of Sony phones he tested that would overheat and shut down while recording in 4K. A simple Google Search shows this problem happeningas recently as last year with the Sony Xperia 1. There are also stories of older devices like theLG G4 overheatingafter just a few minutes of recording (probably partially due to thehot Snapdragon 808), theGalaxy S5 only allowing five minutes of 4K recording at a time, and other such problems.
Here’s the thing, a lot of these technical limitations still exist today. The Pixel 4 reportedly had 4K recording at 60fps. However, support waspulled at the last minutedue to storage considerations and we’ll talk more about storage problems in a moment. The point is 4K still isn’t all that great on smartphones and OEMs are already starting on 8K. I don’t know if these issues will resurface, but it certainly won’t shock me if things like overheating, camera stuttering, video artifacts, time limits, and other such issues arise again with 8K video recording.
The storage problem
A ten second 4K, 60fps clip on mySamsung Galaxy Note 10 Plusregistered about 90MB. That’s just over half of a GB per minute. With many devices still coming with 64GB or 128GB of base storage, you’re looking at roughly two to four hours of total recording time before you run low on space. I shot a second clip in 1080p, 30fps and it was a mere 20MB. you’re able to shoot five minutes of FHD video for every one minute of 4K on a Note 10 Plus. It adds up over time. To be fair, many devices lower the bitrate and can do about 300-400MB per minute in 4K.
Believe it or not, it’s actually not much worse in 8K. Samsung says 8K video isabout 600MB per minute. However, keep in mind that these measurements are dictated by things like bitrate, frame rate, and other factors. Still, at 600MB per minute, you’re not getting a lot of time before your internal storage is used up and there’s no way OEMs are allowing recording straight to microSD cards if they don’t already let you do it with 4K video.
The tech-savvy individual may use a microSD card and just move the files over after the recording. It’s a smart move and about the only solution to this problem. Thankfully, theGalaxy S20has a microSD card slot but many other devices in 2020 won’t. Phones without external storage should probably be criticized for it more, knowing that 8K is now here and people need a place to store it.
You probably won’t get extra features with that video
We return to the Sony Xperia 1 for more examples. The phone’sOIS doesn’t seem to functionwell in 4K resolution. You can find similar complaintsfor OnePlus devicesand other OEMs as well. It’s not always the same feature that goes missing but the pattern is there. Devices simply can’t seem to handle 4K video along with extra effects.
These problems still very much existed in 2019’s best devices. The first example I gave was the last flagship Samsung launched before its first 8K phone. There is very little chance that these features magically start working on an 8K recording when they don’t work in 4K.
You almost certainly don’t have an 8K display
With so many people still rocking phones with 1080p displays and basically everyone else having 1440p at the very most (many of whichset to 1080p for battery savings), I’m hard pressed to believe that anybody can really tell the difference between 4K and 8K content on a 1440p or FHD display. During our blind test, only50% of people could pick outthe 1440p mode from the 1080p mode on the OnePlus 7T. Granted, that’s just one step, but there are only so many pixels on a 1080p and 1440p display. How much sharper can they really look before it’s just a placebo effect?
There are already 8K TVs on the market so I’m not going to parade the traditional arguments. It’s fairly obvious that with 8K TVs comes 8K content and it makes perfect sense to include that functionality on a thing we carry with us every day. It’s just nothing to get excited about at this time because hardly anybody has any of this new technology to actually enjoy 8K content in all of its glory.
Don’t get me wrong, I’m super excited that 8K is coming to smartphones. It’s the unending march of human progress and someday you’ll be able to get bargain 8K TVs and displays for much cheaper than they are now. At the end of the day, this is a transitional period for tech and transitional periods are always sloppy and often rushed. However, I do wish that maybe OEMs would iron out the issues with 4K before jumping to the next big step. It’snot the first timeOEMs rushed tech out before it was ready and it certainly won’t be last. For the time being, I don’t plan on basing a phone purchasing decision on its 8K recording prowess and I recommend you don’t either for a couple of years. The first generation of 8K video is probably not going to be great.
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