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Laptop Radar

Updated 6 Nov, 2026

Asus Vivobook 15.6″ Core i5-1335U or Dell Inspiron 15 3520 15.6″ Core i5-1235U?

Vivobook 15.6″ Core i5-1335U costs £10 less today and also has score 0.4 higher (6.0 vs. 5.6).

Asus wins 3by componentDell wins 1

  • 6.0Performance5.5
  • 8.3Memory and storage7.3
  • 5.5Screen7.0
  • 2.5Ports and how current it is0.0

Asus Vivobook 15.6″ Core i5-1335U is £10 the cheaper

£839

today

No history yet

£849

today

No history yet

The comparison in detail

Score by component, side by side

Vivobook 15.6″ Core i5-1335U wins on memory and storage and ports and how current it is; Inspiron 15 3520 15.6″ Core i5-1235U wins on screen.

  • 6.0Performance5.5
  • 8.3 (wins)Memory and storage7.3
  • 5.5Screen7.0 (wins)
  • 2.5 (wins)Ports and how current it is0.0

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Both prices over the last 30 days

First data point for one of the two: the chart appears as the days go by.

Still only a few days of data for both to read the trend; the chart fills in as the days go by.

Where is each one cheapest today?

Updated 06/11/2026

Spec sheet side by side

ItemVivobook 15.6″ Core i5-1335UInspiron 15 3520 15.6″ Core i5-1235U
Performance
ProcessorCore i5Core i5
Processor model changes1335U1235U
RAM16 GB16 GB
Storage changes1,024 GB512 GB
Storage typeSSDSSD
Screen
Size15.6 polegadas15.6 polegadas
ResolutionFull HDFull HD
Refresh rate changesnot listed120Hz
General
SystemWindowsWindows
Model code changesX1504VA1235U
How we choose

Source: Amazon.co.uk catalog, checked on 06/11/2026.

Lowest price seen for the product on Amazon.co.uk, delivered to London SW1A 1AA, on the day it was read, including VAT. The model is the brand plus the name of the laptop; the versions go in the table. The price range, the median and the position use only models with a score; the price comparison looks at models whose score is within 0.5 points.

The spec score doesn’t measure real-world performance or durability, and the strong or weak point reading is just a comparison of numbers, not a buying recommendation.