The 18″ Lenovo Legion 9i Gen 10 Is a Creative Powerhouse Disguised as a Gaming Laptop

When Lenovo drops a new gaming laptop, it usually deserves a second glance. But with the launch of the Legion 9i Gen 10, an 18″ beast unveiled during Tech World 2025 in Shanghai, it’s not just giving gamers something to cheer about; it’s practically launching game developers, digital artists, and performance obsessives straight into the future. Whether you’re designing the next blockbuster or just logging serious hours playing it, the Lenovo Legion 9i Gen 10 is here to flex—and it’s not shy about it.

18" Lenovo Legion 9i Gen 10

A Statement Piece Made of Forged Carbon

Let’s start with the design, because the Lenovo Legion 9i Gen 10 doesn’t look like your average slab of brushed aluminum. The Legion 9i wears a lid made of eight layers of aviation-grade carbon fiber, hand-forged into what Lenovo calls “Forged Carbon.” Each top cover is slightly different, so you’re basically getting a one-of-a-kind collector’s piece every time. It’s lighter than aluminum, stronger than it looks, and easily stands out without shouting.

18" Lenovo Legion 9i Gen 10

On the back, ports like HDMI and the charging input are conveniently placed to reduce cord chaos, while the sides carry the rest, including two Thunderbolt 5 ports for super-fast data transfer, external storage, or docking multiple displays. And yes, there’s still a headphone jack. Lenovo hasn’t completely given up on you, analog loyalists.

That Display? It’s a Whole Thing

Here’s where things get really interesting: the Lenovo Legion 9i Gen 10’s 18″ display isn’t just big—it’s tailored for both flat-screen purists and 3D dreamers. You can go full 4K 2D with a razor-sharp LCD panel, or opt for a version that flips into 3D mode without needing those clunky glasses. The 3D mode uses eye-tracking tech combined with a lenticular lens array (think of it like the grown-up version of those holographic Pokémon cards) to pop visuals right out of the screen.

18" Lenovo Legion 9i Gen 10

For 3D designers, animators, and game developers, this means you can preview your creations in actual 3D without switching devices or throwing on a headset. And for everyone else? It’s a party trick that will definitely steal the show at your next LAN party—or client pitch.

But there’s practicality too. The panel runs at a refresh rate of 240Hz at 4K for ultra-smooth gameplay and can shift up to a staggering 440Hz at Full HD resolution. That’s not just fast—it’s fast enough to give your reflexes a workout. The screen also supports Dolby Vision, NVIDIA G-SYNC, and it covers 100% of the DCI-P3 color gamut, making it a creative powerhouse with no color compromises.

Beneath the Hood: A Brutal Amount of Performance

The Lenovo Legion 9i Gen 10 is a full-on desktop replacement built for those who don’t believe in compromise. At its max configuration, you’re looking at Intel’s Core Ultra 9 275HX processor paired with NVIDIA’s laptop version of the RTX 5090. That’s a dream combo, whether you’re rendering complex 3D scenes or just trying to play Cyberpunk 2077 with every setting maxed out and ray tracing turned on like a maniac.

Want to multitask without limits? It supports up to 192GB of DDR5 memory. That’s not a typo: 192. Gigabytes. Of RAM.

18" Lenovo Legion 9i Gen 10

You can open all your software, half the internet, and your operating system’s biggest processing power hogs without breaking a sweat. Storage is also wild, with four SSD slots (three PCIe Gen 4, one Gen 5) supporting up to 8TB. There’s enough space for all your games, projects, backups, and even that folder of “definitely useful” downloads you’ll never open again.

AI Smarts That Work For You—Not the Other Way Around

Lenovo’s been leaning into AI like the rest of the industry, but they’ve actually made it useful here. Inside, the AI Core chip and Lenovo’s AI Engine+ monitor what you’re doing—gaming, rendering, streaming—and adjust power settings and fan speeds accordingly to keep things cool and responsive.

18" Lenovo Legion 9i Gen 10

Want your keyboard and RGB lighting to match what’s happening in your game or music? Lenovo Legion Space syncs all that using AI, while also offering extras like a “Game Coach” to help you improve your play, a “Game Clip Master” to pull highlight-worthy moments for social sharing, and a “Game Companion” that does exactly what it sounds like—hangs out, gives pointers, and keeps you on track.

None of these features feels like fluff either. For folks new to game development, or even just dipping a toe into streaming, the Legion 9i lowers the barrier to entry in a meaningful way. AI can now help cut development timelines from years to months, and this laptop is purpose-built for those kinds of accelerated workflows.

It Stays Cool. Like, Actually Cool

With all this power, you might be expecting a jet engine’s worth of fan noise. But Lenovo has put in the work here, too. The Legion Coldfront: Vapor cooling system includes a vapor chamber, a hyper chamber (yes, two chambers), and a quad-fan setup.

18" Lenovo Legion 9i Gen 10

Each major component—Wi-Fi card, RAM, SSD—has dedicated airflow, keeping temps under control even when you’re maxing everything out. And somehow, it still runs under 48 decibels in full Performance Mode. That’s quieter than your average kitchen vent hood.

The Sound System Deserves a Shout-Out

Speaking of noise, the Lenovo Legion 9i Gen 10 has a six-speaker sound system—two woofers, two tweeters, and enough boom to skip the Bluetooth speaker. It’s tuned with Nahimic Audio and driven by a Smart Amp, which means your games, streams, and video edits will sound fuller and richer right out of the box. Whether you’re gaming with headphones or relying on speakers, you won’t feel like you’re missing anything.

For the Creators, the Coders, and the Keyboard Snobs

Even the keyboard is thoughtfully designed, with 1.6mm key travel and 0.3mm key dish for comfort and accuracy. It’s fully anti-ghosting, so your frantic combo moves won’t get dropped, and the WASD keys can be swapped for custom caps. The per-key RGB lighting is customizable through Lenovo’s software, letting you set a vibe whether you’re in a competitive match or cranking out code at 2 a.m.

Going Somewhere? There’s a Backpack for That

If you’re going to haul around a nearly 8-pound laptop, you might as well do it in style. Lenovo has a matching Legion 18” Armored Backpack II, which isn’t just a fashion statement. It’s tough, with a molded EVA front shield and extra padding where it matters most. There are quick-access pockets for your headset, mouse, and other gear, plus adjustable, ventilated straps to make sure you don’t break a sweat carrying your mobile command center from home to the next dev meetup or esports tourney.

Battery Life, Availability, and Carbon Footprint

The battery maxes out at 99.99 watt-hours—the legal limit for air travel—so you can bring it on a plane without getting side-eyed by TSA. It won’t run all day unplugged with this much horsepower under the hood, but it’s more than enough for on-the-go demos, meetings, or in-flight work sprints.

18" Lenovo Legion 9i Gen 10

The Lenovo Legion 9i Gen 10 is initially launching in China but is expected to hit North America this fall. Pricing hasn’t been confirmed yet, but expect it to sit comfortably in premium laptop territory. After all, you’re getting specs and features usually reserved for workstations, and a few surprises that make it more than just a spec sheet.

18" Lenovo Legion 9i Gen 10

And for eco-conscious people, Lenovo offers a CO2 Offset Service tied directly to the laptop’s serial number. You can purchase verified carbon credits that go toward global climate action projects, which is a nice way to balance out the environmental impact of this performance monster.

The Bottom Line

The 18″ Lenovo Legion 9i Gen 10 isn’t trying to be subtle, and that’s a good thing. It’s here for people who want to push boundaries, whether in competitive gaming, immersive storytelling, 3D modeling, or game development. It’s bold, weirdly beautiful, unapologetically big, and somehow still practical.

If you’ve been waiting for a laptop that can replace your desktop without making you compromise on power, display quality, or design personality, Lenovo might’ve just handed it to you. Now the only question is: do you play games, or do you build worlds? Either way, this machine is ready.

Click here to check out he current Legion lineup and bookmark it so you can watch for the 18″ Lenovo Legion 9i Gen 10 later this year.

As an Amazon Associate, we earn from qualifying purchases. If you are shopping on Amazon anyway, buying from our links gives Gear Diary a small commission.

About the Author

Judie Lipsett Stanford
Judie is the co-owner and Editor-in-Chief of Gear Diary, which she founded in September 2006. She started in 1999 writing software reviews at the now-defunct smaller.com; from mid-2000 through 2006, she wrote hardware reviews for and co-edited at The Gadgeteer. A recipient of the Sigma Kappa Colby Award for Technology, Judie is best known for her device-agnostic approach, deep-dive reviews, and enjoyment of exploring the latest tech, gadgets, and gear.

3 Comments on "The 18″ Lenovo Legion 9i Gen 10 Is a Creative Powerhouse Disguised as a Gaming Laptop"

  1. This is quite a powerful laptop, and its weight is kind of what you’d expect for it. This is the kind of laptop that my brother-in-law would use.

  2. Intel Core Ultra 9 275HX processor + RTX 5090. Already sounds like magic! And… 192GB of RAM? Not only every game on Ultra settings, but also 1000 open tabs in Chrome in same time. What a monster!

  3. More and more of the gaming is done on the laptop – can’t beat portability in our house. This is a beast that would do well and double well as a monster work/personal machine in additional.

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.