Laptops Review

ASUS Vivobook 15 X1504VA (Core i5) Review: Dim Screen Budget

By Updated Research-based, not tested by us

Our verdict

The ASUS Vivobook 15 X1504VA with a Core i5-1335U and 16 GB RAM handles college and office work and runs every Windows app, but its dim 45% NTSC screen and 42 Wh battery are clear weak points.

Buy it if

  • Students who need full Windows compatibility for Tally, MATLAB or exam portals
  • Home offices that mostly use the laptop on a desk with an external monitor

Skip it if

  • You watch a lot of video or edit photos
  • You need a full day of battery away from a socket

What we like

  • 16 GB RAM (8 GB soldered plus an 8 GB SO-DIMM), upgradable to 24 GB
  • Backlit keyboard with long key travel, per LaptopMedia
  • Runs every x86 Windows app natively
  • Fan stays off at idle, per LaptopMedia
  • Office Home & Student 2021 in the box

What we don’t

  • 250-nit, 45% NTSC panel looks dim and washed out
  • 42 Wh battery is small for a 15.6-inch laptop
  • 720p webcam
  • Older 13th-gen platform with HDMI 1.4 and a USB 2.0 port

Score breakdown

Performance
6.6
Display
4.5
Battery life
5.5
Build quality
6.5
Features
6.5
Value for money
6.2
After-sales service
7.0

The ASUS Vivobook 15 X1504VA with a Core i5-1335U is for students and home-office users who need a full Windows laptop that runs every app, including Tally, MATLAB and exam-proctoring software, without paying for a better screen or battery. That is the trade-off: performance and memory are adequate, but the panel and battery are among the weakest at this level.

Is the Core i5-1335U fast enough for college work?

For notes, coding, spreadsheets and video calls, yes. LaptopMedia’s review of the Vivobook 15 found it performs well for its class and that the fan switches off at idle, which keeps it quiet in a hostel room. The 16 GB of memory avoids the slowdowns 8 GB models suffer with many browser tabs open. It is a 2023 chip, though, and newer Core Ultra and Snapdragon laptops are more efficient.

How bad is the screen?

ASUS rates it at 250 nits and 45% NTSC. Notebookcheck’s review of the closely related X1504VAP found low brightness and colour coverage, but no PWM flicker and wide viewing angles. In practice that means pale colours and a struggle near a sunny window. LaptopMedia called the panel “a mixed bag.” If you plan to work at a desk, a cheap external monitor over HDMI fixes most of this.

How long does the battery last?

The battery is only 42 Wh. We did not find a published runtime test for this exact configuration; a Vietnamese retailer review listed “long battery life” as a plus, but without numbers. Plan on charging during the day if you are on campus, and carry the 45 W adapter.

Can I upgrade the RAM and storage?

There is 8 GB on the board plus one SO-DIMM slot holding 8 GB, so the maximum is 24 GB with a 16 GB stick. The SSD sits in a standard M.2 slot.

Is the keyboard good for long typing sessions?

LaptopMedia found the keys have long travel with clicky feedback and that the touchpad is smooth and accurate. This SKU has a backlit keyboard, which helps during evening power cuts.

What about ports, build and service?

You get USB-C, two USB-A 5 Gbps ports, one older USB 2.0 port and HDMI 1.4, which limits 4K monitors to 30 Hz. ASUS claims MIL-STD 810H testing. ASUS has a reasonable service network in Indian cities; check the warranty period on the listing, as we could not confirm it for this SKU.

Is it still a good buy in late 2026?

It launched in mid-2024, and several part numbers with similar names are still listed. Check the exact CPU, RAM and backlight on the listing before ordering.

How we researched

We have not used the Vivobook 15 X1504VA. This review draws on ASUS's spec listing for the X1504VA-NJ540WS on Amazon.in, Notebookcheck's spec data and its review of the related X1504VAP, LaptopMedia's review of the Vivobook 15 F1504/X1504 and Indian retail listings.

We have not tested this product ourselves. This review is based on published specifications, the manual, other publications’ tests and owner feedback.

How does the ASUS Vivobook 15 X1504VA (Core i5-1335U, 16 GB, 512 GB) compare?

Which variant should you buy?

X1504VA-NJ540WS: Core i5-1335U, 16 GB, 512 GB The configuration covered here, with a backlit keyboard and Office 2021.
Core i5 13th-gen 16 GB SKUs (e.g. NJ2217WS, NJ2218WS) Similar specs under other part numbers; check CPU model and keyboard backlight on the listing.
Core i3-1315U, 8 GB SKUs Cheaper, with fewer cores and half the RAM; 8 GB is tight for Windows 11 in 2026.

Key specs

Processor Intel Core i5-1335U, 10 cores / 12 threads, up to 4.6 GHz
Graphics Intel Iris Xe (integrated)
Memory 16 GB DDR4 (8 GB onboard + 8 GB SO-DIMM), max 24 GB
Storage 512 GB PCIe 4.0 NVMe SSD
Display 15.6-inch FHD, 250 nits, 45% NTSC, 60 Hz, anti-glare
Battery / charger 42 Wh, 3-cell; 45 W adapter
Ports USB-C 5 Gbps, 2 x USB-A 5 Gbps, USB-A 2.0, HDMI 1.4, 3.5 mm
Wireless Wi-Fi 6E, Bluetooth 5.3
Webcam 720p with privacy shutter
Weight 1.7 kg

Questions buyers ask

Can I upgrade the RAM on the ASUS Vivobook 15 X1504VA?

Partly. The ASUS Vivobook 15 X1504VA-NJ540WS has 8 GB soldered plus one 8 GB SO-DIMM; swapping that stick for a 16 GB module takes it to the 24 GB maximum ASUS lists.

Is the ASUS Vivobook 15 X1504VA screen good?

It is the weak point. ASUS rates the Vivobook 15 X1504VA panel at 250 nits and 45% NTSC, and Notebookcheck found low brightness and colour coverage on the closely related X1504VAP.

Is the ASUS Vivobook 15 X1504VA good for engineering students?

For coding, MATLAB, office work and browsers, yes. The ASUS Vivobook 15 X1504VA has no dedicated GPU, so it is not suited to gaming, heavy CAD or GPU-based machine learning.

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ASUS Vivobook 15 X1504VA (Core i5-1335U, 16 GB, 512 GB) C · 6.1 /10
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