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Thin silver-grey laptop with 15.3 inch screen and metal lid

Lenovo

Lenovo IdeaPad Slim 3X 2025 laptop 15.3" WUXGA 16GB 512GB Snapdragon X Luna Grey

SKU CH-YRS8-HJR8H

A 15.3" WUXGA Copilot+ laptop with a 45 TOPS NPU, 16 GB memory, 512 GB storage, fingerprint reader, webcam shutter and MIL-STD 810H tested metal chassis

  • Screen size15.3 in (38.9 cm)
  • ProcessorQualcomm Snapdragon X
  • Memory size16 GB
  • SSD storage512 GB
  • Hard drive512 GB
  • AI capabilityCopilot+ PC
  • 3" 16:10 WUXGA display expands workspace for multitasking
  • 45 TOPS NPU powers Copilot+ AI features for smoother calls
  • 60 Wh battery with Rapid Boost delivers all-day runtime
  • MIL-STD 810H metal chassis withstands daily knocks and drops
  • Fingerprint reader plus webcam shutter protects privacy instantly

15.3" WUXGA Copilot+ PC

The Lenovo IdeaPad Slim 3X is a new 15.3-inch laptop with a WUXGA 16:10 display, 16 GB of memory and a 512 GB SSD. It runs on a Qualcomm Snapdragon X processor with a 45 TOPS NPU and qualifies as a Copilot+ PC. The Luna Grey chassis meets MIL-STD 810H durability standards and houses a 60 Wh battery with Rapid Boost charging.

Mobile professionals needing AI acceleration

This laptop suits users who want on-device AI performance, all-day battery life and a taller 16:10 screen for productivity. Buyers who require discrete graphics for heavy 3D work, upgradeable memory slots or a larger storage capacity should consider other configurations. The fixed 16 GB memory and 512 GB drive define the upgrade ceiling.

45 TOPS NPU for on-device AI

The 45 TOPS neural processing unit is the specification that decides suitability. It enables Copilot+ experiences such as live captions, auto-framing and local generative tasks without cloud reliance. If your workflow depends on that level of local AI throughput, this model meets the threshold; if it does not, the NPU headroom goes unused.

How it compares

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

Price $567.99
Typical for this category: the median of 32,549 items is $599.99.
Screen size 15.3 in (38.9 cm)
Typical for this category: the median of 32,085 items is 15.2 in.
Memory size 16 GB
Typical for this category: the median of 30,127 items is 16 GB.

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Specifications

Product
Brand nameLenovo
Product lineIdeaPad
Product colorLuna Grey
Processor
ProcessorQualcomm Snapdragon X
Memory
Memory size16 GB
Memory configuration16 GB x 1
Storage
SSD storage512 GB
Hard drive512 GB
Display
Screen size15.3 in (38.9 cm)
Widescreen compatibleYes
Display formatWUXGA
Audio & video
Web cameraYes
More details
AI capabilityCopilot+ PC
Other featuresFingerprint reader

Questions about this item

Which memory and storage combination does this model ship with?

It comes with 16 GB of memory in a single module and a 512 GB solid-state drive.

What does the 45 TOPS NPU actually do in daily use?

The 45 TOPS neural engine runs on-device AI tasks such as live captions, background blur and Copilot+ features without cloud latency.

How does the USB-C port limit external display output?

The USB-C connection supports video output up to the panel's native WUXGA resolution and 60 Hz refresh rate.

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