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Platinum Grey 15.6 inch touchscreen laptop closed

Lenovo

Lenovo IdeaPad 3 81X800ENUS 15.6" i3-1115G4 8GB 256GB SSD Touch

SKU CH-K8AC-KKZ9N MPN 81X800ENUS

A 15.6 inch touch laptop with an Intel Core i3-1115G4 processor, 8GB DDR4 memory and a 256GB PCIe SSD running Windows 11 in S mode

  • Screen size15.6 in (39.6 cm)
  • ProcessorIntel Core i3 11th Gen
  • Graphics processorIntel UHD Graphics
  • Memory size8 GB
  • SSD storage256 GB PCIe
  • Display resolution1366 × 768
  • Touchscreen control on a 15.6" HD anti-glare panel
  • Dual-core i3-1115G4 with 6 MB cache for everyday tasks
  • 8 GB DDR4 2666 memory and 256 GB PCIe SSD storage
  • Wi-Fi 5 and Bluetooth 5.0 for wireless connectivity
  • Windows 11 in S mode with Firmware TPM 2.0 security chip

Everyday laptop with touch display

The Lenovo IdeaPad 3 81X800ENUS is a 15.6-inch notebook built around an Intel Core i3-1115G4 dual-core processor and 8 GB of DDR4 memory. A 256 GB PCIe SSD handles storage while Intel UHD Graphics shares system memory. The HD touchscreen runs at 1366 x 768 on a TN panel rated at 220 nits with an anti-glare coating. Windows 11 in S mode ships pre-installed.

Suits students and office workers needing pen input

This model fits buyers who want a touchscreen for note-taking or light creative tasks on a tight budget. The dual-core chip and integrated graphics limit heavy multitasking, video editing or modern gaming. Users who need a higher-resolution IPS panel, discrete graphics or more than 8 GB of memory should look at other configurations.

Check your software and peripheral needs

Windows 11 in S mode only runs apps from the Microsoft Store unless you switch out of S mode, which is a one-way change. The laptop provides one USB 2.0 port, two USB 3.2 Gen 1 ports and HDMI for external displays. Wireless uses Wi-Fi 5 and Bluetooth 5.0. The single memory slot is already populated so RAM cannot be expanded.

How it compares

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

Price $350.99
Cheaper than about 75% of the 32,549 comparable items (median $599.99).
Screen size 15.6 in (39.6 cm)
Higher than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 8 GB
Lower than about 80% of the 30,127 comparable items (median 16 GB).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameLenovo
Product lineIdeaPad 3 15ITL05
Model name81 × 800ENUS
Product colorPlatinum Grey
Design styleStandard
Product typeHome / Personal
Recommended useConsumer
Processor
ProcessorIntel Core i3 11th Gen
Processor modelIntel Core i3-1115G4
CPU coresDual-core Processor
Processor codenameTiger Lake
L3 cache size6 MB
Memory
Memory size8 GB
RAM type and speedDDR4 2666
Memory configuration4 GB onboard + 4 GB x 1
Total memory slots1
Free memory slots0
Storage
SSD storage256 GB PCIe
Hard driveNo
Storage configurationStorage Support:
Up to two drives, 1x 2.5 in HDD + 1x M.2 SSD
2.5 in HDD up to 1 TB
M.2 2242 SSD up to 512 GB
M.2 2280 SSD up to 1 TB
Optical driveNo
Display
Screen size15.6 in (39.6 cm)
Display resolution1366 × 768
Panel typeTN
Touch inputTouch Screen
Widescreen compatibleYes
Display formatHD
Screen featuresTN 220nits Anti-glare, Touch
Graphics
Graphics processorIntel UHD Graphics
Video RAMShared system memory
Graphics typeIntegrated Card
Audio & video
SoundHigh Definition (HD) Audio
SpeakersStereo speakers, 1.5 W x2, Dolby Audio
Web camera720p with Privacy Shutter
Connectivity
Wi-Fi standardWi-Fi 5
Wi-Fi802.11ac Wireless LAN
Bluetooth support5.0
Ports & slots
USB ports1 x USB 2.0
2 x USB 3.2 Gen 1
HDMI ports1 x HDMI 1.4
Audio jacks1 x Headphone / microphone combo jack (3.5 mm)
Memory card reader4-in-1
Power
Battery runtimeMobileMark 2014: 5.5 hr (35 Wh)
Power adapter65 W Round Tip (2-pin, Wall-mount)
Battery packIntegrated 35 Wh
Size & build
Overall dimensions14.26 in × 9.98 in × 0.78 in
Product weight3.75 lb (1.7 kg)
Shipping weight2.40 kg
Package size533 × 330 × 76 mm
Software
Operating systemWindows 11 in S mode
More details
Other featuresSecurity Chip: Firmware TPM 2.0
KeyboardNon-backlit, English

Questions about this item

Does the 81X800ENUS need any external peripherals to operate out of the box?

No, the 15.6" touchscreen, keyboard, trackpad, Wi-Fi 5 and Bluetooth 5.0 are all built in, so the laptop works immediately without extra hardware.

Can I keep using my older USB 2.0 flash drives with the two USB 3.2 Gen 1 ports on this IdeaPad 3?

Yes, the USB 3.2 Gen 1 ports are backward compatible, so USB 2.0 drives will function at their usual speed.

How can I confirm the Intel UHD Graphics are active after the first boot?

Open Device Manager, expand Display adapters and verify Intel UHD Graphics appears without a warning icon.

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