Lenovo ThinkBook Plus IRU G4 DUAL SCREENS (21JJ0003US): Redefining Productivity with Dual Displays
The Lenovo ThinkBook Plus IRU G4 DUAL SCREENS (21JJ0003US) is a groundbreaking and highly innovative laptop designed for professionals who seek enhanced productivity, unique multitasking capabilities, and a distinct aesthetic. This fourth-generation ThinkBook Plus takes the concept of a secondary screen to a new level by integrating a full-sized E-Ink display on the lid, transforming how users interact with their device for reading, note-taking, and focused work.
Processor (CPU) and Integrated Graphics :
At its core, this Lenovo ThinkBook Plus IRU G4 is powered by the Intel® Core™ i5-1335U Processor. This 13th Generation “Raptor Lake-U” processor is designed for thin and light laptops, offering a strong balance of performance and energy efficiency for everyday business tasks and multitasking. It features:
- 10 Cores / 12 Threads: (2 Performance-cores, 8 Efficient-cores) providing robust performance for common business applications, web Browse, and video conferencing.
- Up to 4.60 GHz Max Turbo Frequency: For handling bursts of intensive workloads.
- 12 MB Intel® Smart Cache: Enhances data access efficiency. This “U” series processor is optimized for quiet operation and extended battery life, perfectly suited for a highly portable device with dual screens.
Graphics are handled by the integrated Intel® Iris® Xe Graphics. This capable iGPU (integrated Graphics Processing Unit) offers:
- Smooth handling of high-resolution video playback (crucial for the main OLED display).
- Acceleration for common creative tasks (e.g., light photo editing, presentations).
- Support for multiple external displays if needed. It typically features 80 Execution Units (EUs) and a Graphics Max Dynamic Frequency of up to 1.25 GHz, balancing visual performance with the need for power efficiency.
Innovative Dual Displays :
The defining feature of theLenovo ThinkBook Plus IRU G4 is its two distinct displays:
- Main Display (Internal): A stunning 13.3-inch 2.8K (2880 x 1800) OLED Touchscreen Display.
- Exceptional Clarity: The 2.8K resolution provides incredibly sharp details and vibrant visuals.
- Vivid & Accurate Colors: Boasts 100% DCI-P3 color gamut coverage, ensuring professional-grade color accuracy.
- True Blacks & High Contrast: Delivers pixel-perfect blacks and dynamic contrast, making content truly immersive.
- Smooth Motion: A 60Hz refresh rate provides a fluid viewing experience for everyday tasks.
- Brightness: Typically 400 nits, with peak brightness for HDR content.
- Stylus Support: Fully supports active stylus input (e.g., Lenovo Digital Pen, often included) for natural writing and drawing.
- Lid Display (External E-Ink): A 12.0-inch E-Ink monochrome display on the laptop’s lid.
- Paper-like Experience: Ideal for reading documents, e-books, and taking notes without eye strain.
- Low Power Consumption: E-Ink technology consumes minimal power, especially when static.
- Touch & Pen Support: Allows for direct interaction with a stylus (like the included Lenovo Digital Pen) for annotation, sketching, and focused, distraction-free work.
- This display can be used for quick glances at notifications, calendar, or a minimalist workspace without opening the laptop.
Memory and Storage :
The Lenovo ThinkBook Plus IRU G4 laptop comes with 16GB of LPDDR5X-5200MHz RAM. This high-speed memory is soldered onboard (not user-upgradeable), providing efficient performance for multitasking across the dual screens and running modern business applications. For storage, it features a fast 512GB PCIe Gen 4 NVMe SSD, ensuring rapid boot times, quick application loading, and swift file transfers.
Premium Design and Portability :
The Lenovo ThinkBook Plus IRU G4 features a sleek and durable aluminum chassis, embodying elegance and portability. Despite its dual-screen innovation, it maintains a relatively slim profile, measuring approximately 15.7 mm (0.62 inches) thick and weighing starting at around 1.35 kg (2.98 lbs), making it highly portable. The unique rotating hinge allows the E-Ink screen to face outwards, enabling various modes of use.
User Experience Features :
- Keyboard: A comfortable backlit keyboard with tactile key travel, providing a responsive typing experience.
- Touchpad: A responsive Precision Touchpad for intuitive navigation.
- Audio: Equipped with Dolby Atmos® optimized speakers, delivering clear and immersive sound.
- Webcam: An FHD (1080p) IR camera with a physical privacy shutter, supporting Windows Hello facial recognition for secure logins and ensuring clear visuals for video calls.
- Microphones: Dual-array far-field microphones with AI noise-cancelling technology enhance voice clarity during calls.
- Security: Features include IR facial recognition, a touch-style fingerprint reader integrated into the power button, and a Firmware TPM 2.0 chip for enhanced security.
Connectivity and Battery Life :
The Lenovo ThinkBook Plus IRU G4 offers essential modern connectivity:
- 2x Thunderbolt™ 4 / USB4® Type-C ports (supporting 40Gbps signaling rate, DisplayPort™ 1.4, and Power Delivery 3.0)
- 1x USB 3.2 Gen 1 Type-A port
- 1x HDMI® 2.1 port
- 1x Headphone/microphone combo jack (3.5mm)
- Wireless: Features Wi-Fi® 6E 802.11ax 2×2 and Bluetooth® 5.2, ensuring fast and reliable wireless networking.
The Lenovo ThinkBook Plus IRU G4 laptop is powered by an integrated 75Wh Li-Polymer battery. Despite driving two displays, the power-efficient Intel Core i5 U-series processor contributes to achieving excellent battery life for a full workday, especially when utilizing the E-Ink display for extended periods. It supports Rapid Charge technology for quick recharges via a compact 65W USB-C AC Adapter.
The Lenovo ThinkBook Plus IRU Gen 4 DUAL SCREENS (21JJ0003US) is an exceptional choice for professionals seeking a distinctive, highly versatile, and productive laptop that pushes the boundaries of traditional design with its innovative dual-screen approach.
Key Specifications :
- Model: Lenovo ThinkBook Plus IRU Gen 4 DUAL SCREENS (21JJ0003US)
- Processor: Intel® Core™ i5-1335U (10 Cores / 12 Threads, up to 4.60 GHz Max Turbo, 12 MB Smart Cache)
- Graphics: Integrated Intel® Iris® Xe Graphics (80 EUs, up to 1.25 GHz Max Dynamic Frequency)
- Main Display (Internal): 13.3-inch 2.8K (2880 x 1800) OLED Touchscreen, 16:10 Aspect Ratio, 60Hz Refresh Rate, 400 nits Brightness (typical), 100% DCI-P3, VESA Certified DisplayHDR™ True Black 500, Stylus Support.
- Lid Display (External): 12.0-inch E-Ink Monochrome Display, Touch & Pen Support.
- Memory (RAM): 16GB LPDDR5X-5200MHz (onboard, not user-upgradeable)
- Storage: 512GB PCIe Gen 4 NVMe SSD
- Operating System: Windows 11 Home
- Design: Dual-Screen Rotating Hinge, Aluminum Chassis
- Keyboard: Backlit, Precision Touchpad
- Audio: Speakers with Dolby Atmos®
- Webcam: FHD (1080p) IR Camera with Privacy Shutter, AI Noise-Cancelling Microphones, Windows Hello Facial Recognition
- Security: Fingerprint Reader (integrated in power button), IR Camera, Firmware TPM 2.0
- Ports:
- 2x Thunderbolt™ 4 / USB4® Type-C (40Gbps, DP 1.4, PD 3.0)
- 1x USB 3.2 Gen 1 Type-A
- 1x HDMI® 2.1
- 1x Headphone/microphone combo jack (3.5mm)
- Wireless: Wi-Fi® 6E 802.11ax 2×2, Bluetooth® 5.2
- Battery: Integrated 75Wh Li-Polymer, Rapid Charge support
- Power Adapter: 65W USB-C AC Adapter
- Dimensions (WxDxH): Approx. 291.1 x 207.2 x 15.7 mm (11.46 x 8.16 x 0.62 inches)
- Weight: Starting at Approx. 1.35 kg (2.98 lbs)
- Included Accessories: Lenovo Digital Pen (may vary by region/retailer)
