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Grey Lenovo IdeaPad Slim 3i 15.6 inch laptop closed view

Lenovo

Lenovo IdeaPad Slim 3i 15.6" laptop i5-1335U 12GB DDR5 1TB

SKU CH-3K9Y-J9NQ2

A 15.6 inch Full HD laptop with a 13th Gen Intel Core i5-1335U processor, 12GB DDR5 memory and a 1TB NVMe SSD running Windows 11 Home

  • Screen size15.0 in (38.1 cm)
  • Memory size12 GB DDR5
  • SSD storage1 TB
  • Display resolution1920 × 1080
  • Operating systemWindows 11 Home
  • Refresh frequency60 Hz
  • 13th Gen Intel Core i5 reaches 4.6 GHz for responsive multitasking
  • 12 GB DDR5 memory keeps many apps open without slowdown
  • 1 TB NVMe SSD stores large project files and boots quickly
  • 6 inch Full HD 1920 x 1080 display shows crisp detail at 60 Hz
  • Windows 11 Home with lifetime Microsoft Office licence ready for work

15.6" Full HD Windows 11 laptop

The Lenovo IdeaPad Slim 3i delivers a 15.6-inch Full HD display at 1920 x 1080 resolution with a 60 Hz refresh rate. It runs Windows 11 Home and includes a lifetime Microsoft Office licence. A 720p webcam with a physical privacy shutter supports video calls.

12GB DDR5 memory and 1TB NVMe storage

This configuration suits students and office workers who need 12GB of DDR5 memory and a 1TB NVMe SSD for documents and applications. The non-backlit keyboard and 60 Hz panel make it less suitable for users who type in dark rooms or want smoother motion for creative work.

Intel Core i5-1335U processor up to 4.6 GHz

The 13th generation Intel Core i5-1335U reaches 4.6 GHz maximum turbo frequency for everyday multitasking. Integrated graphics handle standard productivity and streaming. Buyers who need discrete graphics for rendering or gaming should consider a different system.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $669.99
Pricier than about 56% of the 32,549 comparable items (median $599.99).
Screen size 15.0 in (38.1 cm)
Typical for this category: the median of 32,085 items is 15.2 in.
Refresh frequency 60 Hz
Typical for this category: the median of 1,749 items is 60 Hz.

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Specifications

Product
Brand nameLenovo
Product lineIdeaPad Slim 3i
Product colorGray
Design styleStandard
Product typeHome / Personal
Recommended useBusiness
Memory
Memory size12 GB DDR5
Storage
SSD storage1 TB
Display
Screen size15.0 in (38.1 cm)
Display resolution1920 × 1080
Refresh frequency60 Hz
Touch inputNon-Touch Screen
Display formatFHD
Audio & video
SoundIntegrated Sound card
SpeakersInternal Speakers
Web cameraYes
Ports & slots
HDMI ports1 x HDMI
Memory card reader3-in-1
Power
Battery runtimeUp to 10 h
Battery pack3-cell Lithium Ion
Size & build
Product weight3–3.9 lb (1.36–1.77 kg)
Software
Operating systemWindows 11 Home
Pre-installed softwareLifetime Microsoft Office
More details
Pointing deviceYes
KeyboardStandard
Keyboard backlightNon-backlit

Questions about this item

How long can the 12GB DDR5 memory and i5-1335U sustain 4.6GHz before thermal limits engage?

The i5-1335U reaches 4.6GHz on short bursts; sustained all-core speeds settle lower once the slim chassis thermal envelope fills, so expect throttling during prolonged heavy workloads.

What are the fan noise and surface temperatures like after hours of continuous use?

Lenovo describes intelligent thermals for a whisper-quiet system; the 15.6" chassis runs cool on typical office tasks but the fan becomes audible and the keyboard deck warms noticeably under sustained multi-core load.

Which peripherals and accounts are required to use the pre-installed Windows 11 Home and Microsoft Office Lifetime license?

A Microsoft account is needed for Windows 11 Home setup and to bind the Office licence; no extra hardware is required beyond the supplied power adapter, though an external monitor uses the single HDMI port.

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