Lenovo ThinkBook 14 Gen 4

Technical Specifications

• Processor: Options include AMD Ryzen™ 5000 Series Mobile Processors (up to Ryzen™ 7 5825U) or 12th Gen Intel® Core™ i Series processors (up to Core™ i7-1260P/1255U). Some 2-in-1 variants feature Intel Core Ultra processors (up to Core Ultra 7 155H).
• RAM: Up to 40GB DDR4 3200MHz (8GB soldered + 32GB SO-DIMM) with dual-channel capability. Some configurations offer DDR5-5600 RAM.
• Storage: Dual SSD storage support, with configurations up to 2TB PCIe SSD. Features two M.2 slots, with one often running at Gen 4 speeds.
• Graphics: Integrated AMD Radeon™ Graphics (with AMD processors) or Intel Iris® Xe Graphics / Intel® UHD Graphics (with Intel processors). An optional NVIDIA® GeForce MX550 discrete GPU with 2GB GDDR6 VRAM is available.
• Display: 14-inch Full HD (1920 x 1080) or WUXGA (1920 x 1200) IPS panel. Features anti-glare, 300 nits brightness, and optional 100% sRGB color gamut. Touchscreen options are available, some with Corning® Gorilla® Glass and TÜV Rheinland Low Blue Light certification.
• Ports: Includes USB-C (10Gbps, with Power Delivery 3.0 and DisplayPort 1.4 Alt Mode), Thunderbolt™ 4 (40Gbps, with Power Delivery 3.0 and DisplayPort 1.4 Alt Mode), multiple USB-A ports (one always-on), HDMI (2.0 or 2.1), Gigabit Ethernet (LAN), a microSD card reader, and a headphone/microphone combo jack.
• Connectivity: Supports Wi-Fi 6 and Bluetooth 5.2.
• Dimensions & Weight: Starts at 17.9mm (0.7 inches) thin and 1.4kg (3.08 lbs). The 2-in-1 variant weighs around 3.61 lbs.

Analysis of Technical Specifications: The ThinkBook 14 Gen 4 offers a versatile range of configurations, catering to different performance needs and budgets. The availability of both AMD Ryzen 5000 series and Intel 12th Gen Core processors, alongside newer Intel Core Ultra options in the 2-in-1 variant, provides flexibility. The inclusion of upgradeable RAM (up to 40GB) and dual M.2 SSD slots enhances its longevity and adaptability for business users, allowing for post-purchase upgrades. The display, while generally Full HD IPS with decent color coverage, is often rated at 300 nits, which some users find to be on the dimmer side for bright environments. The comprehensive port selection, including Thunderbolt 4, HDMI, and a microSD card reader, is a significant strength, offering broad connectivity without requiring many adapters. Integrated graphics solutions are standard, with an optional NVIDIA MX550 for slightly enhanced graphical tasks.

Support & Compatibility

• Operating System Support: Ships with Windows 11 Pro or Home.
• End of Support Date: Windows 10 support ends on October 14, 2025.
• Available Drivers: Drivers and software updates are available through the Lenovo PC Support website for the ThinkBook 14 G4 IAP (Intel variant).
• Upgradeability: Features one soldered memory module and one DDR4 SO-DIMM slot, allowing for RAM upgrades. It also includes two M.2 slots for SSD storage, enabling users to add a second SSD.
• Manufacturer Support: Lenovo typically provides active driver and BIOS updates for 3-5 years for its ThinkPad and ThinkBook lines.

Analysis of Support & Compatibility Status: The Lenovo ThinkBook 14 Gen 4 demonstrates strong support and compatibility, primarily running on Windows 11. Lenovo's commitment to providing drivers and software updates through its dedicated support portal ensures ongoing functionality and security. A key advantage is its upgradeability, with accessible RAM and dual SSD slots, which extends the asset's lifespan and return on investment by allowing users to enhance performance and storage as needed. This contrasts with many modern laptops that feature soldered components. While Windows 10 support has an end date, the device is fully compatible with Windows 11, ensuring long-term operating system support.

Security Status

• Security Features: Includes a Smart Power Button with an integrated fingerprint reader for biometric authentication. Features a physical webcam privacy shutter. Incorporates Lenovo ThinkShield security suite, which includes Trusted Platform Module (TPM), I/O port access control, self-healing BIOS, and secure wipe capabilities.
• Vulnerabilities: Previous UEFI firmware vulnerabilities (CVE-2021-3970, CVE-2021-3971, CVE-2021-3972, CVE-2022-3430, CVE-2022-3431) have affected various Lenovo laptops, including ThinkBook models, potentially allowing attackers to disable Secure Boot or execute arbitrary code.
• Recommendations: Lenovo has released firmware updates to address the identified UEFI vulnerabilities and urges users to apply these fixes promptly to maintain security. Regular updates of BIOS/UEFI and drivers from the official Lenovo support site are crucial.

Analysis on the Security Status: The ThinkBook 14 Gen 4 integrates robust hardware-based security features like a fingerprint reader and webcam privacy shutter, alongside the comprehensive ThinkShield suite, providing a solid foundation for data protection. However, like many enterprise devices, it has faced UEFI firmware vulnerabilities in the past. Lenovo has actively addressed these issues with patches, highlighting the importance of a proactive update strategy. Users must ensure their systems run the latest firmware to mitigate potential risks. The combination of physical security, integrated software, and manufacturer support for vulnerability patching positions the ThinkBook 14 Gen 4 as a secure option, provided updates are consistently applied.

Performance & Benchmarks

• Benchmark Scores (Intel Core Ultra 5 125U, 2-in-1 variant):
  • Geekbench 6: Single-core average of 2,167; Multi-core average of 8,479.
  • PCMark 10: Trails some competitors in overall application performance.
  • 3DMark FireStrike (integrated graphics): Average score of 3,925.
• Benchmark Scores (Intel Core i5-1235U):
  • Cinebench R23: Performance may be lower compared to some competitors with the same CPU.
• Real-World Performance: Offers reliable productivity performance for CPU and SSD-heavy tasks. Integrated graphics performance is generally considered poor for demanding graphical tasks.
• Battery Life:
  • AMD variant (45Wh battery): Up to 6 hours.
  • Intel variant (45Wh battery): Approximately 5 hours and 33 minutes for web browsing or 5 hours and 38 minutes for video playback.
  • 2-in-1 variant (Intel Core Ultra 5): Achieves an impressive 20 hours and 37 minutes in tested battery life.

Analysis of the Performance Status: The Lenovo ThinkBook 14 Gen 4 delivers solid performance for general productivity and business applications, particularly with its capable processors and fast SSD storage. While the Intel Core Ultra variants in the 2-in-1 model show strong multi-core performance in benchmarks like Geekbench 6, the integrated graphics solutions across all variants are not suited for graphically intensive tasks or gaming. Battery life varies significantly by configuration; the 2-in1 Intel Core Ultra model offers exceptional endurance, making it highly portable, whereas other Intel and AMD clamshell variants provide more modest, though still acceptable, battery life for a workday. The system's cooling is optimized for comfort, maintaining low keyboard temperatures even under load, though this can sometimes lead to slightly throttled CPU performance compared to more aggressive cooling designs.

User Reviews & Feedback

User reviews frequently praise the ThinkBook 14 Gen 4 for its superb build quality, often featuring a durable aluminum chassis. The keyboard receives high marks for its comfort and responsiveness, though some users describe it as having a "mushy" feel compared to premium ThinkPads. The extensive array of ports, including Thunderbolt 4 and a microSD card reader, is consistently highlighted as a significant advantage. Many appreciate the upgradeability of both RAM and SSD storage, which is a less common feature in modern laptops and contributes to its long-term value. The device is seen as a good value for small businesses and home offices.

Common criticisms include the display's brightness, which is often rated at 300 nits but can measure lower in practice, making it less ideal for bright environments. The webcam is frequently described as "grainy" or "fuzzy," despite being 1080p, and lacks advanced AI features like auto-framing. Some variants are noted as being heavier than comparable ultraportables. The Wi-Fi 6 connectivity, while robust, is not the latest Wi-Fi 6E or 7 standard.

Summary

The Lenovo ThinkBook 14 Gen 4 positions itself as a robust and versatile business laptop, offering a compelling balance of features, performance, and value. Its primary strengths lie in its solid build quality, comprehensive port selection, and notable upgradeability for both RAM and storage, which enhances its longevity and adaptability in an enterprise environment. The keyboard is generally well-regarded for typing comfort, and the inclusion of ThinkShield security features, along with a fingerprint reader and webcam privacy shutter, provides essential data protection. Performance is reliable for daily productivity tasks, with newer Intel Core Ultra variants offering strong CPU capabilities, particularly in the 2-in-1 form factor which also boasts exceptional battery life.

However, the asset does have areas for improvement. The display, while IPS, often falls short in brightness, potentially hindering outdoor or brightly lit indoor use. The webcam's image quality is frequently cited as a weakness, and while Wi-Fi 6 is capable, it lacks the latest Wi-Fi 6E or 7 standards. Some configurations can be heavier than competing ultraportables, and certain keyboard variants may feel less tactile than premium alternatives. Past UEFI vulnerabilities, though patched, underscore the ongoing need for diligent firmware updates.

Overall, the ThinkBook 14 Gen 4 is a strong recommendation for businesses and professionals seeking a durable, functional, and budget-conscious laptop with excellent upgrade potential. Its strengths in connectivity and security, combined with solid productivity performance, make it a dependable workhorse. Prospective buyers should consider the specific display and webcam limitations, and prioritize configurations with the desired processor and battery life for their use case.

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.