Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home) vs Asus ExpertBook Ultra (2026)

Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home) vs Asus ExpertBook Ultra (2026) — full specifications compared side by side. Asus ExpertBook Ultra (2026) has the bigger battery — 70 Wh against 42 Wh.

Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home): Specifications are still being confirmed — scores appear as data is verified.

Asus ExpertBook Ultra (2026): Based on announced specs — scored in 5 categories.

Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)

Asus · Laptop

≈ $362≈ €323 · ≈ £270≈ converted at today's rate · Buy on Amazon

Full specs & details
Asus ExpertBook Ultra (2026)

Asus ExpertBook Ultra (2026)

Asus · Laptop

7.6/ 10 — Good

Check price on Amazon.com · Amazon.de · Amazon.co.uk

Full specs & details

Key highlights

HighlightAsus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)Asus ExpertBook Ultra (2026)
Processor—Intel Core Ultra Series 3 (Panther Lake)
Display15.6″14″ · OLED · 120 Hz
Battery42 Wh70 Wh · 90W charging
RAM / Storage8GB64GB / 2TB

Which is better?

  • Asus ExpertBook Ultra (2026) takes 2 of the 2 categories both laptops are scored in.
  • Asus ExpertBook Ultra (2026) has the bigger battery — 70 Wh against 42 Wh.
  • Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home) gives you the larger screen — 15.6 inches against 14.0 inches.
  • Asus ExpertBook Ultra (2026) is the lighter laptop — 990 g against 1,600 g.

Category scores

CategoryAsus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)Asus ExpertBook Ultra (2026)
Display5.98.0Better
Battery5.47.9Better
Performance—7.6
Design & Build—7.6
Software—6.2

Open the interactive comparisonRadar chart, winner highlights and a differences-only view.

Reasons to consider

Asus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)

  • Larger display (15.6″ vs 14″)

Asus ExpertBook Ultra (2026)

  • More storage (2 TB vs 8 GB)
  • Bigger battery (70 Wh vs 42 Wh)
  • Lighter body (990 g vs 1,600 g)

Full specifications side by side

SpecificationAsus Vivobook 15X 2023 K3504VAB-NJ321WS Laptop (13th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)Asus ExpertBook Ultra (2026)
Platform
GPUIntegrated Intel UHD GraphicsIntel Arc B390 (integrated)
GPU kindIntegratedIntegrated
OS—Windows
OS version—Windows 11 Pro
Chipset—Intel Core Ultra Series 3
Chipset (as published)—Intel Core Ultra Series 3 (Panther Lake)
CPU—Up to Intel Core Ultra X9 388H; Core Ultra X7 358H (16 cores, up to 4.8 GHz) tested
Memory
Memory variants (RAM/storage)8 GB64 GB RAM + 2 TB
RAM type—LPDDR5
Display
Display size15.6″14″
Resolution1,920 × 1,080 pixels2,880 × 1,800 pixels
Display protectionYes—
Panel type—OLED
Refresh rate—120 Hz
Brightness (peak)—1,400 nits
Asus ExpertBook Ultra (2026) wins clearly on Display (5.9 vs 8.0)
Battery
Battery capacity42 Wh70 Wh
Wired charging—90W
Battery life (manufacturer claim)—Up to 26 hours (ASUS claim)
Asus ExpertBook Ultra (2026) wins clearly on Battery (5.4 vs 7.9)
Body & build
Weight1,600 g990 g
Materials—Aluminium, Ceramic, Magnesium
Cooling—ASUS ExpertCool Pro dual-fan cooling, up to 50W sustained
Launch
Launch status—Announced
Announced date—Apr 2026
Connectivity
Wi-Fi—Wi-Fi 7
Bluetooth—Bluetooth 6
Ports—Thunderbolt ×2 (2x Thunderbolt 4) · HDMI (HDMI) · Audio jack (3.5mm combo audio jack)
Camera
Webcam—1080p IR webcam with privacy shutter

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