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Grey 15.6 inch touchscreen laptop with backlit keyboard and fingerprint reader

Lenovo

Lenovo ThinkBook 15 G4 laptop i5-1235U 16GB DDR4 256GB SSD 15.6" touchscreen

SKU CH-WGXM-RJ0P2

15.6-inch touchscreen laptop with Core i5-1235U, 16GB DDR4, 256GB SSD and Windows 11 Pro

  • ColorGrey
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core i5 12th Gen
  • Turbo Frequency4.4 GHz
  • CPU L3 Cache12MB Cache
  • Screen Size15.6"
  • 12th Gen Intel Core i5-1235U up to 4.4 GHz for responsive multitasking
  • 16GB DDR4 memory (8GB onboard + 8GB SODIMM) handles demanding workloads
  • 6" IPS FHD touchscreen with 1920 x 1080 resolution for precise input
  • 256GB PCIe NVMe SSD plus Thunderbolt 4 for fast storage and expansion
  • Windows 11 Pro 64-bit with fingerprint reader and WiFi 6 for secure productivity

ThinkBook 15 G4 Business Laptop

The ThinkBook 15 G4 is a 15.6-inch business laptop with a touchscreen IPS display. It runs Windows 11 Pro on a 12th Gen Intel Core i5-1235U processor with 10 cores and 12 threads. The system includes 16GB DDR4 memory and a 256GB PCIe NVMe SSD. Integrated Intel Iris Xe graphics drive the 1920 x 1080 panel at 60Hz.

Users needing discrete graphics or larger storage

This suits professionals who want a portable touchscreen device for office applications, video calls and light content creation. The Thunderbolt 4 port supports external displays and fast peripherals. Buyers who need discrete GPU performance for 3D rendering or gaming should look elsewhere. Users requiring more than 256GB of internal storage will need external drives or a different model.

16GB DDR4 memory configuration

The laptop provides 16GB of DDR4 RAM arranged as 8GB soldered and 8GB in a SODIMM slot. This mixed layout limits future upgrades to a single module replacement. Confirm that this capacity and memory type match your workload before purchase. The integrated graphics share system memory, so available RAM for applications is slightly lower.

Highlights

  • 12th Gen Intel Core i5-1235U up to 4.4 GHz for responsive multitasking
  • 16GB DDR4 memory (8GB onboard + 8GB SODIMM) handles demanding workloads
  • 6" IPS FHD touchscreen with 1920 x 1080 resolution for precise input
  • 256GB PCIe NVMe SSD plus Thunderbolt 4 for fast storage and expansion
  • Windows 11 Pro 64-bit with fingerprint reader and WiFi 6 for secure productivity

Specifications

BrandLenovo
SeriesThinkBook 15 G4
ColorGrey
Operating SystemWindows 11 Pro
CPU TypeIntel Core i5 12th Gen
Turbo Frequency4.4 GHz
CPU L3 Cache12MB Cache
Screen Size15.6"
TouchscreenYes
Resolution1920 x 1080
GPU/VPUIntel Iris Xe Graphics
Graphic TypeIntegrated Card
SSD256GB
HDDNo
Storage Spec256GB PCIe SSD
Memory16GB
Memory SpeedDDR4
Optical Drive TypeNo
WLAN802.11ax Wireless LAN
BluetoothBluetooth 5.2
HDMI1 x HDMI 2.1
Audio Ports1 x Headphone/Microphone Combo Jack
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderSDXC
StyleStandard
TypeWork / Business

Questions about this item

Do I need to buy extra DDR4 SODIMM modules for the 16GB configuration to run dual-channel?

The laptop ships with 8GB soldered and an 8GB DDR4 SODIMM already installed, so dual-channel is active out of the box and no extra modules are required.

Will my older USB-A peripherals work with the Thunderbolt 4 and USB 3.2 Type-C ports?

Both USB-C ports accept USB-A devices through a standard adapter or hub; the Thunderbolt 4 port also carries DisplayPort and PCIe signals for docks.

How can I confirm the 256GB PCIe NVMe SSD is recognised at full speed after first boot?

Open Task Manager, select the Performance tab, choose the drive, and verify the interface shows PCIe with read speeds consistent with NVMe.

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