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Tom's Guide
11-05-2025
- Tom's Guide
The Galaxy Z Fold 7 may turn out to be the thinnest foldable, but it could come at a cost
Foldable phones may be engineering marvels, but they can't seem to shake a few inherent problems that I believe are keeping them from wider acceptance. They cost a lot, for starters, and despite some support from key app makers, there are still far too many apps that aren't optimized for the expanded screens. And even though phone makers have put a lot of effort into improving hinge mechanisms, concerns about durability linger on. All of those would be reason enough to steer clear of foldable phones. But there's one thing keeping me from making a foldable my go-to mobile device — I'm just not impressed with the battery life that foldable phones deliver. Certainly, I can understand the constraints that phone makers are working under when they build a foldable phone. If you want to keep the device portable, there's only so much internal space you have available, which puts limits on how big a battery you can use. With both a cover display and a larger interior panel, that's two screens the battery has to keep powered up. It's not a recipe for a phone that lasts a long time on a charge. Still, it's something that foldable phone makers are going to have to address if they ever want these devices to escape the nice they currently occupy. And from the sound of two rumors about the upcoming Galaxy Z Fold 7 this week, it sounds as if Samsung doesn't agree that's a priority. And considering that Samsung has been pushing foldables more than any other phone maker, that's a little bit concerning. Every phone we review at Tom's Guide goes through a battery test, where we set the screen of the device at 150 nits and then have it surf the web over cellular. We time how long it takes for the phone to run out of power, and after running that test a few times, we come up with an idea of what its average battery life is like. On that test, the average smartphone these days posts a time of between 10 and 10.5 hours. The very best phones for battery life can hold out for 15 hours or more. It's safe to say most foldables don't come anywhere near the higher end of that range. Phone Battery size Average attery life (Hrs:Mins) Samsung Galaxy Z Fold 6 4,400 mAh 10:45 Samsung Galaxy Z Flip 6 4,000 mAh 10:12 OnePlus Open 4,805 mAh 11:31 Google Pixel 9 Pro Fold 4,650 mAh 10:32 Motorola Razr 2024 4,200 mAh 13:57 Motorola Razr Plus 2024 4,000 mAh 14:10 There are some exceptions. The 2024 versions of the Motorola Razr and Motorola Razr Plus both averaged around 14 hours on our test, give or take a few minutes in either direction. And given Motorola's reputation for delivering long-lasting phones of every size and design, there's every reason to believe that the 2025 versions of the foldable flip phone, led by the Motorola Razr Ultra 2025, will set the pace again. Otherwise, the times we've recorded are pretty close to average for the smartphone category as a whole — the difference being that these phones all cost more than $1,000. And Samsung's latest foldable phones are notable for being bunched toward the back of the pack. I want to be fair to foldable phones as a whole and note that these numbers are trending in the right direction, even if the results don't get them anywhere near our best phone battery life list. Foldable battery times used to fall well below the average result for smartphones, so we're seeing some progress on that front. But when you compare these times to what flagships with conventional designs are capable of, it really illustrates how battery life is a foldable phone shortcoming. The Galaxy S25 Ultra and iPhone 16 Pro Max both have big screens, even if they don't fold out to cover as much space as, say, the Galaxy Fold 6. But the Ultra and iPhone also last a long time on a charge — more than 17 hours each. And while the respective $1,299 and $1,199 starting prices aren't cheap by any stretch of the imagination, they're hundreds of dollars less than the $1,899 you'd have to pay for the latest Galaxy Fold. So how is Samsung responding to this challenge with the Galaxy Z Fold 7, which is rumored to be arriving later this summer? If you go by rumors about the phone's specs, Samsung's not really doing much of anything. Recent leaks based on regulatory filings for the Galaxy Z Fold 7 indicate the phone will have the same 4,000 mAh battery as its predecessor. While you'd expect the chipset powering the new phone to be more efficient than its predecessor — especially since the Galaxy Z Fold 7 is in line to get the very efficient Snapdragon 8 Elite silicon — that doesn't we're likely to see big gains later this year when we put Samsung's new foldable to the test. (If you want more encouraging news, those same listings indicate an increase in the Galaxy Z Flip 7's battery, which is in line to get a 4,300 mAh power pack. That's good since the Galaxy Z Flip 6 badly lags behind the Razr foldables when it comes to lasting a long time on a charge.) Other Galaxy Z Fold 7 rumors reveal why Samsung may be unable to give the new phone much of a boost in battery size. That's because the updated Fold is in line to become much thinner than its predecessor. Specifically, a tip from well-regarded leaker Ice Universe claims that the Galaxy Z Fold 7 will be 3.9mm thin when it's open and 8.9mm thin when it's folded shut. That compares to respective measurements of 5.6mm and 12.6mm for the Galaxy Z Fold 6. I can understand the desire to make foldable phones thinner. The calling card for foldables is the ability to carry around a device with a tablet-sized screen in your pocket, and slimming down that device makes slipping it into your pocket that much easier. Still, what do I care if it's easier to tote around my foldable phone, but I still have to keep a charger with me at all times and hope that there's a free outlet or charging pad wherever I'm headed to? Every design decision with a phone involves trade-offs, but Samsung seems to willing to sacrifice battery life when that's one of the big reasons why people might be reluctant to embrace foldabes. As with any time we're dealing with rumors about unreleased phones, the reality of the Galaxy Z Fold 7 could turn out to be quite different from the picture that the latest rumors are painting. And like I said earlier, maybe the Snapdragon 8 Elite set to power the new foldable will make a world of difference when it comes to power management — the chipset certainly as for other phones released this year. But as much as anything, I really value battery life in a phone. I want a device where I don't have to think about charging it from the moment i get up until the moment I go to bed. And if I forget to plug my device in overnight, it's not the end of the world, since there's still plenty of juice left in it to get me started the next day. Foldable phones don't offer that right now. And until they start, I can't take them seriously as an option for the device I use on a daily basis.
Yahoo
03-03-2025
- Yahoo
Samsung Shows Off Quirky Pincer Phone, Folding Console and Flexi Briefcase Concepts
One of my favorite booths to visit every year at MWC in Barcelona is Samsung Display, where we get to see cutting-edge developments in display technology deployed in the coolest and quirkiest of concept devices. This year the company didn't disappoint, with several concepts we've never seen before catching my eye, along with some we have -- like the stretchable display we saw at CES in January. Chief among them was a candybar-style concept phone that folds twice -- once from the top and once from the bottom. The pincer movement reminded me of a crab claw closing in on itself, or a book fold used to laminate dough. The phone bore an uncanny resemblance to the Samsung Galaxy Z Flip, but with two folds rather than one. It's not the first time we've seen a variation on the Galaxy Z Flip but this one, which I was only able to watch fold from behind glass, poses a durability challenge for Samsung. For every extra fold you introduce into a device, it feels like it will be easier to break. In spite of this, I will say that it looked cool and unlike any phone I've seen before. Why exactly you would want a phone that folds twice when you could have one that just folds once and is otherwise the same size and shape isn't a question for Samsung Display to answer. The purpose of the concept is to show what's possible, not what's probable. That's something to also keep in mind when considering Samsung Display's Flexible Cabinbag, a slim metal briefcase that folds open to reveal an 18.1-inch flexible OLED screen. It feels like something a traveling salesperson from the future might carry with them to slide open in a boardroom or on a pub table to display their wares to potential buyers. Another concept that caught my eye was a folding games console, a little like a Nintendo Switch that could close up like a book. We already know that the next Switch won't look like this, but there's nothing to say future iterations couldn't. It's important to note that Samsung Display is separate to the company you know that makes your phone, TV and home appliances. Instead it develops screen technology that can be purchased by many phone makers and other tech companies. The idea of a folding Switch that has a smaller footprint is appealing to me -- a person who has on occasion decided not to travel with my Switch due to its size. I wasn't allowed to play with the concept due to its fragility, but I watched a Samsung Display employee handle it, and I particularly likes the little holes that had been carved out to accommodate the joysticks when the device was folded shut. A final idea that caught my eye was a clamshell-style folding phone with a polygon-shaped screen on the front. It's been a long time since I've seen an unusually shaped front-facing screen on the top of a flip phone -- it reminded me of the Samsung feature flip phones of yore (meaning the early noughties). And who doesn't love a bit of nostalgia when it comes to phone design? It's impossible to say whether any of these concepts will ever see the light of day, but in the meantime it's fascinating to think about how radically different phones of the future could potentially be thanks to these bendy, flexible new developments in screen tech.
