LG gram 15.6" 15Z90T-H Black 2025

The LG gram 15Z90T-H is one of the lightest 15-inch laptops you can buy, with all-day battery life and a color-accurate touchscreen that make it a solid pick for travelers and productivity users. But serious reliability concerns and a hidden Thunderbolt limitation that prevents multi-monitor setups are dealbreakers we can't overlook. Unless portability is your absolute top priority and you're getting a steep discount, there are safer bets out there.

The Core Ultra 7 255H sits at the 85th percentile for CPUs in our database, and in practice it handles everyday multitasking without breaking a sweat. We're talking dozens of browser tabs, Slack, Spotify, and a few Office apps all running simultaneously with no stutter. The 16GB of LPDDR5X is soldered, so you can't upgrade it later, but for most productivity workflows it's plenty. The 1TB PCIe 4.0 SSD lands at the 82nd percentile, which means app launches and file transfers feel snappy.

The integrated Intel Arc Graphics are where things get interesting. At the 65th percentile for GPUs, it's fine for light photo editing and can even handle some casual gaming at low settings, but our gaming score of 20 out of 100 tells the real story. This is not a gaming laptop, and Intel's Arc drivers still have some quirks with certain creative apps. For a developer machine, it scores a solid 67.4, and entertainment comes in at 73.1. The AI-focused NPU in the Core Ultra chip is there if you need it, but most people won't notice it day to day.

Stacked against the Apple MacBook Pro M4 Pro, the LG gram wins on weight and nothing else. The MacBook's build quality, display, speakers, and raw performance are in a different league, but it's also heavier and more expensive. The ASUS ROG Zephyrus G14 is the pick if you want to game or do any GPU-heavy work, with a dedicated RTX card and a high-refresh OLED panel that makes the gram's 60Hz IPS look ancient. For a more direct ultrabook rival, the MSI Prestige 13 is even lighter and often cheaper, though you sacrifice screen real estate. The Lenovo Legion Pro 7i and HP OMEN Transcend 14 are both gaming-focused machines that outmuscle the gram in every performance metric, but they're also twice the weight. The gram's niche is clear: it's for people who prioritize portability above all else, but the competition has gotten really good at being both light and capable.

Pricing on this thing is all over the map. We've seen it listed anywhere from $989 to a completely absurd $310,054, which we're pretty sure is a typo or a scalper having a laugh. At the low end around a grand, the gram 15Z90T-H makes a decent case for itself as an ultraportable workhorse. But once you creep past $1,200, you're bumping up against the MacBook Air 15 with M3, which offers better build quality, a brighter screen, and Apple's far more polished ecosystem. The ASUS ROG Zephyrus G14 also lurks in this price range if you want actual GPU power in a still-portable package. If you can snag the gram at the $989 mark from a reputable seller, it's a fair deal. At anything higher, you're paying a premium for weight savings that comes with some serious reliability question marks.

The LG gram 15Z90T-H is one of those laptops that makes you do a double take when you pick it up. At 2.84 pounds, it's absurdly light for a 15.6-inch machine, and that's been the gram line's party trick for years. This latest model packs an Intel Core Ultra 7 255H, 16GB of LPDDR5X RAM, and a 1TB SSD into a chassis you can genuinely forget is in your bag. If you're a student, a frequent flyer, or anyone who lugs a laptop around all day, the portability here is best-in-class.

But LG made some interesting choices this time around. The 1920x1200 IPS touchscreen covers 99% of the DCI-P3 color gamut, which is great for content consumption and light creative work, though the 60Hz refresh rate feels a bit dated when even budget phones are pushing 120Hz. The port selection is generous for something this thin, with Thunderbolt 4, USB-A, and HDMI all present. It's clearly aimed at productivity users who want a big screen without the back pain.

We should mention the elephant in the room right away. Our user sentiment data for this model sits at a rough 20th percentile, and reliability clocks in at a dismal 10th percentile. That's a red flag we can't ignore, and we'll dig into why throughout this review. For a laptop that costs somewhere between $989 and an inexplicable $310,054 depending on where you look, you need to know what you're getting into.

Skip the LG gram 15Z90T-H if you need a reliable workhorse that will last for years without headaches. Our reliability data puts this model near the bottom of the barrel, and the Thunderbolt monitor limitation is a dealbreaker for anyone who uses a multi-screen desk setup. If you need external monitors, look at the MacBook Air 15 or a Dell XPS instead. Gamers and creative pros who need GPU muscle should steer toward the ASUS ROG Zephyrus G14 or the MacBook Pro M4 Pro. And if you're just looking for a cheap, dependable laptop for home use, there are plenty of mid-range options that won't give you the reliability anxiety this gram brings.

The LG gram 15Z90T-H is a frustrating laptop to evaluate. On paper, it nails the ultraportable formula. It's impossibly light, the battery lasts all day, the screen is color-accurate, and the performance is solid for productivity. If you're a business traveler who lives in Excel and email, this thing seems purpose-built for you. But then you hit the reliability wall. Our data shows user sentiment in the 20th percentile and reliability in the 10th, which means a significant number of buyers are running into problems. The Thunderbolt monitor limitation is a particularly nasty surprise that LG doesn't disclose clearly, and that kind of omission erodes trust.

Should you buy it? If you find it at the low end of its price range, you understand the Thunderbolt limitation upfront, and you're willing to roll the dice on reliability, the portability is genuinely unmatched. But we'd be doing you a disservice if we didn't say this: most people should look at the MacBook Air 15 or a higher-end Windows ultrabook first. The gram's weight advantage is real, but it comes with compromises that are hard to swallow at this price.