Asus claims its new world’s lightest Copilot+ laptop also boasts 32 hours of battery life — new Zenbook launches at CES 2025

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A new Zenbook with Snapdragon on the cards?

A teaser shared by Asus for its upcoming ultrathin laptop at CES 2025
(Image credit: Asus)

Asus has announced it will host a special event at the upcoming Consumer Electronics Show (CES) 2025 in Las Vegas. While the company is expected to unveil a range of new products, the highlight for road warriors will likely be a new ultra-thin laptop, touted as the world’s lightest Copilot+ PC.

According to a press release from Asus, the laptop will deliver “a perfect blend of elegance and functionality, offering a seamless experience for professionals, creators, and everyday users alike.” Although the company has not disclosed detailed specifications or design features, the laptop is said to offer up to 32 hours of battery life, one of the most ambitious energy endurance claims in recent memory.

CES 2025 ASUS Official Teaser - Unload - YouTube CES 2025 ASUS Official Teaser - Unload - YouTube
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This new laptop will join the Zenbook series, which already includes models like the Zenbook S14 with Intel’s Lunar Lake-based Core Ultra 7 258V and the Zenbook S16 featuring AMD’s Ryzen AI 9 HX 370. Given the extraordinary battery life claim, this model may be powered by Qualcomm’s Snapdragon X platform, which is known for its outstanding energy efficiency.

However, it’s worth noting that real-world battery life often falls short of manufacturer claims. Laptops are typically tested under ideal conditions involving light tasks, minimal background processes, and lower screen brightness. For instance, our review of the Lenovo ThinkPad T14s Gen 6, equipped with the Snapdragon X Elite, found that while Lenovo advertised up to 24 hours of battery life, we achieved approximately 21 hours in testing. While not identical to the claim, this remains the highest battery life we’ve recorded in the labs, so far.

As for the weight, Asus will face competition from notable contenders like LG and Fujitsu. LG’s Gram series, known for its exceptional portability and durability, offers models weighing under 1kg while delivering decent performance and battery life. Fujitsu’s Lifebook UH-X series also impresses with its lightweight design, weighing under 900 grams, making it a popular choice among business professionals.

All final details, including the laptop's specifications and pricing, will be revealed during Asus’ AIways Incredible launch event on January 7, which will also feature a live global stream.

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Kunal Khullar
Kunal Khullar
News Contributor

Kunal Khullar is a contributing writer at Tom’s Hardware.  He is a long time technology journalist and reviewer specializing in PC components and peripherals, and welcomes any and every question around building a PC.

14 Comments Comment from the forums
  • OneMoreUser
    Never had anything against long battery life, only now it is starting to be so long I'd prefer less weight and cost ie. smaller batteries.

    And as for the Copilot thing, does anyone actually use that? Or for that matter, prefer Windows 11 over Windows 10?
    Reply
  • Alvar "Miles" Udell
    Manufacturers could just make laptops an inch thicker and use larger batteries for long life, but heaven forbid laptops not be wafer thin and weigh as little as possible. A little practicality would go a long way in 2024, much more than the huge 9 cell battery I had on my MSI laptop in college that struggled to get 4 hours.
    Reply
  • likeacactus
    Yeah... But it'll have w11... So... Nope.
    And still not everything runs on arm w11.

    Even with more than a day of battery life, is a product to get ignored.

    Unless it costs $500 (and that's impossible)
    Reply
  • mac_angel
    The industry is really, REALLY pushing Co-Pilot and built in Ai. As far as I know, most people don't want it, unless I'm wrong. Do any PC enthusiast here want these Ai chips built into their PCs and laptops?
    Reply
  • newtechldtech
    mac_angel said:
    The industry is really, REALLY pushing Co-Pilot and built in Ai. As far as I know, most people don't want it, unless I'm wrong. Do any PC enthusiast here want these Ai chips built into their PCs and laptops?
    Depends .. if future games use it then yes.
    Reply
  • mac_angel
    newtechldtech said:
    Depends .. if future games use it then yes.
    I still can't help but think that's marketing BS. GPUs can handle a lot more TOPS than the built in Ai chips, and next to nothing for resources.
    Reply
  • Findecanor
    I will never buy a Copilot PC.
    I will never use a CopIlot PC
    I will refuse a Copilot PC if given to me.
    I will refuse a Copilot PC if asked to use it for work.
    Reply
  • jojos_buddy
    COpilot is too generic, they need it specialized to either office, visual studio or outlook, and be very, very specific. As a dev, a copilot that just helps write code functions would be great but this copilot+PC is all over the place/confusing. And I want my CTRL key back.

    As for ASUS, if it's CPU is an AMD instead of a snapdragon that would confirm the assertion of return rate of SD PCs.
    Reply
  • newtechldtech
    mac_angel said:
    I still can't help but think that's marketing BS. GPUs can handle a lot more TOPS than the built in Ai chips, and next to nothing for resources.
    Would free more resources for the GPU, especially mid range ones.
    Reply
  • alrighty_then
    I use Copilot daily for work, and it's a huge time saver. However, I use it from the web on my old surface and not on a "Copilot PC." It already answers questions so quickly I don't see the point of the AI chip. It's as if they thought of a marketing gimmick after they already gave away the product for free...

    Anyway, an AI chip will likely be part of my future laptop upgrade as Microsoft and others are fully behind the AI push and this won't be going away. I find Copilot useful but don't want it appearing in Windows/Edge/etc when I didn't ask for it, so I had it removed and just use it like any program just when I need it.
    Reply