MacBook Air M4 vs HP OmniBook X 2026: ARM Laptop Showdown

The MacBook Air M4 ships with a 10-core CPU, a 10-core GPU, and up to 32GB of unified memory. HP's OmniBook X 2026 runs Qualcomm's Snapdragon X Elite, a 12-core Oryon CPU design with a dedicated Hexagon NPU rated at 45 TOPS for on-device AI workloads. On paper, the Snapdragon X Elite has more CPU cores and a higher NPU TOPS figure. Apple counters with a more tightly integrated memory architecture and a GPU that has no direct Snapdragon equivalent in the thin-and-light class. Both machines are fanless in their base configurations — a meaningful design choice that affects sustained performance under load. Storage starts at 256GB on the Air and 512GB on the OmniBook X, which is a practical advantage for Windows users who cannot rely on iCloud to offload local storage pressure. RAM starts at 16GB on both. Neither machine is user-upgradeable, so buy what you need at checkout.

In sustained multi-core workloads such as video export and large-file compilation, Apple's M4 has consistently outperformed Snapdragon X Elite in third-party benchmarks published by outlets including AnandTech, The Verge, and Notebookcheck. The gap is most visible in creative applications: Final Cut Pro on the MacBook Air is heavily optimized for M4's media engines, delivering ProRes encode speeds that Windows equivalents running DaVinci Resolve on the OmniBook X cannot match at the same thermal envelope. Qualcomm's Snapdragon X Elite does close the gap in multi-threaded CPU tasks where its 12 Oryon cores can stretch out — Cinebench R24 multi-core scores from published reviews show it competitive with, and occasionally ahead of, the M4 in raw thread count scenarios. For AI-accelerated tasks specifically, the OmniBook X's 45 TOPS Hexagon NPU gives it an advantage in Windows Copilot+ features and locally run LLM inference tools optimized for Qualcomm's architecture. Apple's Neural Engine is rated at 38 TOPS but benefits from tighter OS-level integration through Core ML. In practice, the AI performance gap between the two is narrower than the TOPS numbers suggest for most consumer workloads. Gaming is not a strength of either machine, but the M4's GPU is meaningfully faster in Metal-based titles. Windows gaming on the OmniBook X is hampered by Snapdragon's still-incomplete x86 emulation layer for GPU-intensive titles.

Real-world figures from published reviews consistently land between 13 and 16 hours of mixed use, which is exceptional for a 13-inch laptop. The HP OmniBook X 2026 uses a larger 59Wh battery to feed the more power-hungry Snapdragon X Elite platform. HP rates it at up to 17 hours. Published real-world results from PCMag, Laptop Mag, and CNET-adjacent outlets typically place it between 11 and 14 hours of mixed use — solid, but trailing the MacBook Air despite the larger cell. The reason is efficiency: Apple's M4 is simply more miserly with watts per unit of work than Snapdragon X Elite at comparable load levels. For road warriors, the MacBook Air's advantage here is real and repeatable across multiple independent sources. Charging speed is a wash at the entry level — both support USB-C PD charging and include a charger in the box. The OmniBook X supports faster peak wattage charging, which partially compensates for its lower efficiency by refilling faster from empty.

The HP OmniBook X 2026 ships with a 14-inch 2.8K OLED display running at 120Hz. OLED gives it deeper blacks and higher peak contrast than the Air's IPS-based panel. For video consumption and anything with dark scenes, the OmniBook X's screen is the more immediately impressive of the two. For sustained color-graded creative work, Apple's display calibration and P3 coverage remain industry-leading at this price tier. Build quality on the MacBook Air is aerospace-grade aluminum with no flex, no creaking, and a hinge that opens one-handed. It weighs 2.7 pounds. The OmniBook X is also aluminum-clad and well-built by Windows standards, weighing around 3.1 pounds. Neither machine feels cheap. Port selection is where the OmniBook X pulls ahead in a meaningful way for Windows users: it offers two USB-C (Thunderbolt 4), one USB-A, and a full-size HDMI port. The MacBook Air offers two Thunderbolt 4 ports and a MagSafe charging port, but no USB-A and no HDMI. If you regularly connect to projectors, external drives, or USB-A peripherals without a hub, the OmniBook X is the more practical daily driver out of the box.

App compatibility is essentially a non-issue in 2026. The HP OmniBook X runs Windows 11 on Snapdragon X Elite, and while the situation has improved dramatically since the early Snapdragon X launch in 2024, it is not yet perfect. Most major productivity and browser applications run natively. However, some specialist software — particularly in engineering, audio production, and enterprise verticals — still relies on x86 emulation, which works but carries a performance penalty and occasional compatibility quirks. Qualcomm and Microsoft have made significant progress, but if your workflow depends on a specific application, it is worth checking the Snapdragon compatibility list before buying. The OmniBook X's advantage is Windows itself: Active Directory integration, broader enterprise IT support, full compatibility with Windows-only tools, and the growing suite of Copilot+ AI features baked into Windows 11. For corporate environments, the OmniBook X is far easier to deploy and manage than a Mac. For creative professionals and consumers already in the Apple ecosystem, the MacBook Air's software story is simply more complete. If you want to explore other ARM-based options in the Windows space, our full guide at /best/laptops covers the broader category, and you can browse the complete /category/laptops section for individual reviews.

The HP OmniBook X 2026 is not a loser — it is a genuinely strong machine that earns its place as a top Windows ARM pick. Buy it if you are in a Windows-dependent corporate environment, if you need USB-A and HDMI without carrying a dongle, if you prefer an OLED display with 120Hz refresh, or if your AI workflows are specifically optimized for Qualcomm's Hexagon NPU and Windows Copilot+ features. The OmniBook X is also the right call if you simply prefer Windows as an operating system and want the best ARM-based option that platform currently offers. What neither machine is: a budget buy. Both sit in the premium tier, and at their respective price points, you are paying for efficiency and build quality rather than raw clock speed. If your budget is tighter or your workload is lighter, the broader ARM laptop market — including Chromebook-class options — offers compelling alternatives worth considering. But if you are choosing between these two specifically, the MacBook Air M4 is the more versatile, more efficient, and more future-proof purchase for most people in 2026.