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Cosmic Blue Yoga Slim 7x laptop, 14.5 inch OLED touchscreen, slim .7 inch profile

Lenovo

Lenovo Yoga Slim 7x 14.5 OLED 2944x1840 Touchscreen X Elite X1E-78-100 32GB LPDDR5X 2TB SSD Cosmic Blue laptop

SKU CH-NW99-P554T

A 14.5" OLED touchscreen laptop with a 12-core Snapdragon X Elite processor, 32GB LPDDR5X memory and a 2TB NVMe SSD

  • ColorBlue
  • Operating SystemWindows 11 Home
  • CPU TypeQualcomm Snapdragon X
  • Turbo Frequency3.4 GHz
  • CPU L3 Cache40Mb Cache
  • Screen Size14.5"
  • 5" OLED touchscreen at 2944x1840 for vivid detail
  • 32GB LPDDR5X memory keeps multitasking smooth
  • 2TB NVMe SSD stores large libraries fast
  • Snapdragon X Elite 12-core CPU reaches 3.4 GHz
  • Wi-Fi 802.11be and Bluetooth 5.4 for modern connectivity

14.5" OLED touchscreen laptop for mobile

The Lenovo Yoga Slim 7x pairs a 14.5-inch 2944x1840 OLED touchscreen with a Qualcomm Snapdragon X Elite X1E-78-100 processor running up to 3.4 GHz. Twelve cores and 40 MB cache handle multitasking and on-device AI workloads. Windows 11 Home runs on 32 GB of soldered LPDDR5X memory and a 2 TB 2242 PCIe NVMe SSD.

Included wireless mouse adds cordless desktop

A Dockztorm wireless mouse ships in the box, giving immediate point-and-click input without occupying a USB port. The laptop itself supplies a 65 W USB-C power adapter, a 70 Whr four-cell battery, a backlit keyboard, and a webcam. Wi-Fi 802.11be and Bluetooth 5.4 handle wireless connectivity.

ARM-based Windows limits legacy x64 software

The Snapdragon X Elite chip runs Windows on ARM, so older x64 applications rely on emulation that can reduce performance or fail entirely. Driver support for specialised peripherals may be incomplete. The 60 Hz panel refresh rate suits productivity but not high-frame-rate gaming. Soldered memory prevents future RAM upgrades.

Highlights

  • 5" OLED touchscreen at 2944x1840 for vivid detail
  • 32GB LPDDR5X memory keeps multitasking smooth
  • 2TB NVMe SSD stores large libraries fast
  • Snapdragon X Elite 12-core CPU reaches 3.4 GHz
  • Wi-Fi 802.11be and Bluetooth 5.4 for modern connectivity

Specifications

BrandLenovo
SeriesYoga
ColorBlue
Operating SystemWindows 11 Home
CPU TypeQualcomm Snapdragon X
Turbo Frequency3.4 GHz
CPU L3 Cache40Mb Cache
Screen Size14.5"
TouchscreenYes
Resolution2944x1840
GPU/VPUQualcomm Adreno
Graphic TypeIntegrated Card
SSD2 TB
HDDNo
Storage Spec2TB 2242 PCIe SSD
Memory32GB
Memory SpeedLPDDR5X
Optical Drive TypeNo
WLAN802.11be
BluetoothBluetooth 5.4
HDMINo
Audio PortsNo
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderNo
StyleStandard
TypeCopilot +

Questions about this item

Can the 32 GB LPDDR5X memory be upgraded or replaced later?

The 32 GB LPDDR5X memory is soldered on board and cannot be upgraded or replaced after purchase.

Does the 60 Hz OLED panel limit sustained gaming or video work before the Qualcomm Adreno GPU throttles?

The 60 Hz refresh rate caps frame output, so the Adreno GPU will hit its frame-rate ceiling before thermal throttling becomes the primary limit.

How loud and hot does the 65 W USB-C charger and 70 Wh battery get during an all-day workload?

The 65 W Type-C power supply and 4-cell 70 Wh battery run warm but stay quiet; fan noise only rises under continuous multi-core load.

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