The MSI Stealth 16 AI+ B3W offers a compelling blend of portability and style, aiming to occupy the premium segment alongside devices like the Razer Blade. It succeeds in delivering a sleek, elegant aluminum chassis with a large touchpad and upward-firing speakers, making it suitable for both gaming and work in public settings. However, this design comes at the cost of a power-limited RTX 5080 mobile GPU, which offers less raw performance than bulkier alternatives at a similar, high price point.

Design and Build

MSI has clearly put a significant effort into the aesthetic and tactile experience of the Stealth 16 AI+ B3W. Its aluminum frame and expansive touchpad contribute to a sophisticated look that rivals other premium ultrabooks. The keyboard features satisfying tactile feedback with four-zone RGB backlighting, which can be customized to match the laptop's understated design. The device is remarkably thin and light for a 16-inch machine, weighing in at 1.99 kg and measuring between 16.65–19.99 mm thick.

Display and Audio

The 16-inch OLED display boasts a 2560 x 1600 resolution and a rapid 240 Hz refresh rate, offering vibrant colors, deep contrasts, and smooth motion ideal for both gaming and general use. The 16:10 aspect ratio further enhances productivity by providing additional screen real estate. While the speakers deliver clear and loud audio, a significant issue arises with audio latency and occasional glitches when using the default audio device. This latency is comparable to that of Bluetooth earphones without a low-latency mode and is particularly problematic for fast-paced games like shooters. MSI is reportedly investigating this issue, but currently, a USB headset or earphones are recommended to bypass it.

Performance

Equipped with an Intel Core Ultra 9 386H CPU and an RTX 5080 mobile GPU limited to 125W, the Stealth 16 AI+ B3W delivers strong gaming performance. At 1080p and native 1600p resolutions, it generally outperforms laptops with an RTX 5070 but falls short of unrestricted RTX 5080 implementations found in thicker chassis. Upscaling technologies and frame generation help to achieve smooth frame rates above 60 fps, even with ray tracing enabled at native resolution, and can push towards the 240 Hz refresh rate in less demanding titles or with reduced settings.

In productivity tasks, the Core Ultra 9 386H performs well, though it does not match the raw computational power of higher-wattage HX-series CPUs found in some competitor laptops. Nevertheless, it remains a capable chip for most professional workloads. Thermal performance is managed effectively, with the CPU and GPU reaching high temperatures during intense tasks but remaining within safe operating limits. The fan noise, while noticeable under load, is described as a pleasant whoosh rather than an obnoxious whine, and significantly quieter in Balanced mode, although this mode incurs a noticeable performance penalty.

Configuration and Value

The reviewed model features 32 GB of DDR5-5600 memory and a 1 TB SSD. Other configurations include options for an RTX 5070 or 5070 Ti, with the RTX 5070 version coming with 16 GB of RAM. The high-end configuration tested is priced at $3,999.99. While this positions it in competition with other premium 16-inch gaming laptops like the Asus ROG Zephyrus G16, the MSI Stealth 16 AI+ B3W's price is substantial, especially considering the power limitations of its GPU. However, for users who prioritize a sleek design, excellent portability, a premium keyboard and trackpad, and an OLED display, and who primarily use USB audio devices, the Stealth 16 AI+ B3W offers a unique and satisfying experience, albeit at a steep cost.

Battery Life

Battery life is a strong point, benefiting from the efficient Intel Core Ultra 9 386H CPU and the power-limited GPU. In Balanced mode, the laptop can last through a workday and achieved over 100 minutes in the PCMark 10 gaming battery life test, outperforming some competitors. While not reaching the longevity of some AMD Ryzen-based machines, it provides a respectable amount of runtime for a high-performance gaming laptop.