The ASUS Vivo book 15 X1504ZA-NJ520WS, available in Quiet Blue, is a well-rounded mid-range laptop powered by a 12th Gen Intel Core i5-1235U processor (10 cores, up to 4.4 GHz). Its integrated Intel Iris Xe Graphics deliver smooth performance for office work, multimedia, and light photo editing. You get 8 GB of DDR4 RAM (4 GB onboard + 4 GB in a SO-DIMM slot), which is expandable to 12 GB, and a fast 512 GB M.2 NVMe PCIe 4.0 SSD for quick boot-ups and large file storage
The laptop features a 15.6″ Full HD (1920×1080), anti-glare display with a 60 Hz refresh rate and 250 nits brightness, framed by Nano Edge bezels with an 84 % screen-to-body ratio, enhancing visuals and portability . At just 1.7 kg and 17.9 mm thick, it includes a 180° lay-flat hinge and meets MIL‑STD‑810H durability standards—ideal for on-the-go use
Connectivity-wise, the Vivo book offers the latest Wi‑Fi 6E, Bluetooth 5.3, USB-C 3.2 Gen 1, two USB-A 3.2 Gen 1 ports, one USB-A 2.0 port, HDMI 1.4, a 3.5 mm combo audio jack, and a DC-in charging port (USB-C charging is not supported) . Extras include a backlit chiclet keyboard with a dedicated number pad, precision touchpad, 720p HD webcam with privacy shutter, Sonic Master-tuned speakers, McAfee antivirus trial, firmware TPM, and ASUS utility apps like My ASUS and ScreenXpert .
Power comes from a 42 Wh battery with a 45 W charger, promising fast charging to 60 % in about 49 minutes . However, some users report battery life only lasting 2–4 hours when using the laptop lightly (web browsing, office tasks), significantly below the advertised capacity .