The inclusion of a 140-watt power adapter caught my attention right away when unboxing the Asus Zenbook A16, a notebook featuring Qualcomm's newest Snapdragon X2 Elite Extreme X2E94100 processor. This setup signaled a clear emphasis on high performance over extended runtime from the start.

Indeed, initial impressions of Qualcomm's updated Windows on Arm architecture, the Snapdragon X2 Elite Extreme, reveal a focus on enhancing computational capabilities to speed through demanding workloads. The company appears ready to accept reduced endurance as a consequence of this shift.

My evaluation of the Asus Zenbook A16 centers on the essential elements for work-oriented devices: runtime and processing power. For endurance assessment, I relied on our proprietary Netflix playback test. Results indicate that while Qualcomm's newest mobile CPU holds its own, it falls short compared to the prior version.

Back in February, I started evaluating various notebooks by measuring how long they could stream the anime series One Piece via Netflix, aiming for a more reliable endurance metric.

Traditional laptop endurance evaluations have always left me unsatisfied. Brands often lower display illumination to unrealistically dim settings and repeat synthetic workloads until depletion. Instead, we adjust brightness to typical user preferences and have refined our approach over time.

Our methods now incorporate simulations of daily office activities alongside continuous video playback. The latter mimics the classic long-haul travel scenario of consecutive films.

In the current landscape, video consumption involves online streaming, which activates the display, network connectivity, and processor simultaneously. One Piece serves as an ideal choice due to its extensive episode library, full system utilization, and engaging content.

An upcoming piece will delve deeper into productivity metrics versus endurance trade-offs. For this review, we'll stick to basics.

As a benchmark, I examined the Asus Zenbook A16 equipped with the Snapdragon X2 Elite Extreme (X2E94100), Qualcomm's second-highest-end variant in the lineup. It includes 12 Prime cores plus 6 efficiency cores, peaking at 4.7 GHz. Full technical details are available in Qualcomm's official PDF.

We standardized screen brightness across devices, initiated the One Piece stream, and monitored until shutdown via Windows. The Asus Zenbook A16 with Snapdragon X2 Elite Extreme achieved 13 hours and 4 minutes. In contrast, the Asus Zenbook Duo running Intel's Core Ultra 300 (Panther Lake) managed around 16.5 hours.

At first glance, the Qualcomm-powered Asus model ranks low, close to AMD's performance-focused Ryzen AI 300. However, these figures overlook important context.

Reviews are limited to what vendors supply. Notably, Intel's Core Ultra 300 (Panther Lake) devices often include a 99Wh battery, the largest permissible by FAA regulations for air travel. Smaller capacities naturally yield shorter runtimes, though they reduce overall device weight.

To explore further, I calculated efficiency by dividing endurance by battery watt-hours, providing a rough processor comparison. This metric suggests that a hypothetical 99Wh configuration with a Snapdragon X Elite would be impressive.

Realistically, exceeding 13 hours of streaming remains noteworthy—enough for a trans-Pacific journey without access to outlets. While charging stations are widespread today, constant connectivity drains reserves quickly through persistent wireless features.

Qualcomm has evidently recalibrated priorities for this next-gen chip, prioritizing output while retaining solid capabilities. For maximum efficiency in work PCs, however, I suggest opting for a Snapdragon X Elite from the initial generation.

Mark has contributed to PCWorld for the past 10 years, drawing on three decades in tech journalism. He has produced more than 3,500 pieces for the outlet, spanning topics like PC processors, accessories, and Windows ecosystems. His work has appeared in PC Magazine, Byte, eWEEK, Popular Science, and Electronic Buyers' News, earning a Jesse H. Neal Award for news coverage. Lately, he cleared out a stockpile of Thunderbolt docks and USB-C hubs due to office space constraints.