Lenovo ThinkBook 15 Gen 4

Technical Specifications

The Lenovo ThinkBook 15 Gen 4 offers configurations with both Intel and AMD processors. Intel variants feature up to 12th Gen Intel Core i7 processors, including U-series for efficiency and P-series for higher performance, with integrated Intel Iris Xe or UHD Graphics. AMD models come with up to AMD Ryzen 7 5825U Mobile Processors, featuring integrated AMD Radeon Graphics.

Memory configurations range up to 40GB of DDR4 3200MHz RAM, with some models having soldered RAM and one SODIMM slot for upgrades. Storage options include up to 1TB PCIe SSDs, with two M.2 slots available for expansion.

The display is a 15.6-inch Full HD (1920 x 1080) panel, available with anti-glare, IPS technology, and brightness levels up to 300 nits. Some configurations offer TÜV Rheinland Low Blue Light certification and 100% sRGB color gamut, with optional touchscreen functionality. However, some entry-level models may feature non-IPS TN displays with limited viewing angles.

Connectivity is comprehensive, featuring a Thunderbolt 4 port (on Intel models), USB-C 3.2 Gen 2 (with full function support for data, Power Delivery, and DisplayPort), two USB-A 3.2 Gen 1 ports (one always-on), HDMI 2.1, an RJ45 Ethernet port, a 4-in-1 card reader, and a headphone/mic combo jack. Wireless connectivity includes Wi-Fi 6 or Wi-Fi 6E and Bluetooth 5.0 or above.

The laptop maintains a thin profile at 18.9mm and starts at 1.7kg. It features a dual-tone Mineral Gray design with an aluminum lid and a PC-ABS bottom. Battery options include a 45Whr unit, with reported battery life varying.

Analysis of Technical Specifications

The ThinkBook 15 Gen 4 offers a versatile range of configurations, catering to different performance and budget needs. The inclusion of both Intel 12th Gen and AMD Ryzen 5000 series processors provides strong computing power for business and multitasking. The RAM and storage upgradeability, particularly the two M.2 SSD slots and the ability to expand RAM up to 40GB, are significant advantages for longevity and performance customization. The port selection is robust, including modern options like Thunderbolt 4 and USB-C with Power Delivery and DisplayPort, alongside essential legacy ports like Ethernet and HDMI, making it highly adaptable for various peripherals and external displays. While higher-end display options are excellent, the presence of lower-quality TN panels in some base models is a notable drawback, impacting visual experience. The design is sleek and professional, balancing aesthetics with practical features like a comfortable keyboard and a dual-tone finish.

Support & Compatibility

The Lenovo ThinkBook 15 Gen 4 primarily supports Windows 11 Pro, with some configurations also supporting Windows 11 Home or Windows 10 Pro. Drivers are available through Lenovo's official support channels. The device features Wi-Fi 6 or Wi-Fi 6E, with Wi-Fi 6E functionality enabled on Windows 11. Bluetooth 5.0 or above is standard.

Lenovo typically provides a one-year onsite warranty for its ThinkBook series. Information regarding a specific end-of-support date for this model is not explicitly stated, but Lenovo generally offers long-term support for its business-oriented devices.

Analysis of Support & Compatibility Status

The ThinkBook 15 Gen 4 offers solid compatibility with current Windows operating systems, ensuring access to the latest features and security updates. The availability of drivers directly from Lenovo simplifies maintenance and troubleshooting. The inclusion of Wi-Fi 6/6E and Bluetooth 5.0+ ensures modern wireless connectivity standards are met. While a specific end-of-support date is not readily available, the ThinkBook line's business focus suggests a commitment to long-term driver and firmware support. The standard one-year onsite warranty provides initial peace of mind for hardware issues.

Security Status

The ThinkBook 15 Gen 4 integrates several security features. It includes a Smart Power On match-on-host fingerprint reader, often integrated with the power button, for secure authentication. A Trusted Platform Module (TPM) 2.0 firmware chip is present, providing hardware-based security for encryption keys and system integrity. The laptop also features a webcam privacy shutter, allowing users to physically block the camera when not in use. Additionally, it incorporates self-healing BIOS and a Kensington Nano Security Slot for physical theft deterrence.

Analysis on the Security Status

The security features of the ThinkBook 15 Gen 4 are comprehensive for a business-class laptop. The TPM 2.0 and self-healing BIOS offer robust protection against firmware tampering and data breaches. The fingerprint reader provides convenient and secure biometric login. The physical webcam shutter addresses privacy concerns effectively. While no specific vulnerabilities for this model are widely reported, these integrated hardware and firmware security measures are crucial for protecting sensitive business data and maintaining system integrity in an enterprise environment.

Performance & Benchmarks

The Lenovo ThinkBook 15 Gen 4, with its 12th Gen Intel Core processors or AMD Ryzen 5000 series mobile processors, delivers good performance for everyday tasks, multitasking, and business applications. Intel U-series processors prioritize efficiency, while P-series offer higher performance. AMD Ryzen processors, such as the Ryzen 5 5625U and Ryzen 7 5825U, handle complex spreadsheets and demanding applications efficiently.

The integrated Intel Iris Xe Graphics (on Intel models) or AMD Radeon Graphics (on AMD models) provide smooth performance for daily tasks and light media editing. The laptop generally maintains stable CPU loads under sustained use, with efficient thermal management. User feedback indicates fast and responsive operation, particularly with SSD storage.

Battery life varies, with some configurations reporting around 6 hours for web browsing or video playback from a 45Wh battery. Some users note that battery life could be better, though updates may improve it.

Analysis of the Performance Status

The ThinkBook 15 Gen 4 offers a strong performance profile suitable for its target audience of business users and students. Both Intel and AMD processor options provide ample power for productivity, multitasking, and even some light content creation. The efficient thermal design helps maintain performance under load. The fast SSD storage significantly contributes to overall system responsiveness. While integrated graphics are sufficient for general use, they are not designed for heavy gaming or demanding 3D rendering. Battery life is adequate for a work day but may not be exceptional compared to some competitors, depending on the specific configuration and usage patterns.

User Reviews & Feedback

User reviews for the Lenovo ThinkBook 15 Gen 4 are generally positive, highlighting its value, performance, and build quality. Many users praise its speed and responsiveness, especially when equipped with SSD storage. The laptop's sturdy construction, often featuring an aluminum lid, and professional dual-tone design are frequently appreciated.

The keyboard is generally well-regarded for typing comfort, though some find the key travel to be short. The comprehensive port selection, including Thunderbolt 4 and Ethernet, receives positive feedback for connectivity.

Common criticisms include the battery life, which some users find could be better, and the quality of the base model displays, particularly non-IPS panels with poor viewing angles. The webcam quality is also occasionally cited as being grainy or not ideal for frequent video conferencing, despite some models featuring 1080p resolution. Some users also note that the trackpad can be smaller than competitors.

Summary

The Lenovo ThinkBook 15 Gen 4 is a capable and versatile business laptop designed to bridge the gap between consumer-focused IdeaPads and the more rugged ThinkPads. It offers a strong foundation for productivity with a choice of 12th Gen Intel Core or AMD Ryzen 5000 series processors, providing ample power for daily tasks and demanding business applications. The generous RAM and dual M.2 SSD slots offer excellent upgradeability, ensuring the device remains relevant and performant over time. Its extensive port selection, including modern USB-C with Thunderbolt 4 (on Intel models) and essential legacy ports, makes it highly adaptable for various work environments and peripherals. Security features like TPM 2.0, a fingerprint reader, and a webcam privacy shutter enhance data protection and user privacy.

Strengths include its robust performance for office work, good build quality with an appealing dual-tone design, and comprehensive connectivity. The upgrade options for RAM and storage are a significant advantage.

Weaknesses primarily revolve around some display configurations, where entry-level models may feature lower-quality TN panels. Battery life, while adequate, may not meet the expectations of users requiring extended unplugged operation. The webcam quality could also be improved for professional video conferencing.

The ThinkBook 15 Gen 4 is recommended for small to medium-sized businesses, students, and remote workers who need a reliable, secure, and well-connected laptop for everyday productivity. It offers a strong balance of features and performance for its price point, making it a competitive option in the mid-range business laptop market.

Information provided is based on publicly available data and may vary depending on specific device configurations. For up-to-date information, please consult official manufacturer resources.