In depth comparison and review of Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) and Lenovo ThinkPad T14 Gen 3 (21AJ). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
affordable price point
decent battery life
good processor performance
adequate storage options
average display quality
no thunderbolt support
limited graphics power
mediocre speaker output
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 3 (21AJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
ample connectivity options
relatively heavy
average display brightness
costly base model
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.6 cm x 23 cm x 1.79 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 1.5 kg | 1.21 kg |
| Case Material | Aluminum | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Mineral grey | Thunder black |
| DISPLAY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i5 (12th Gen) 1245U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.4 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 3200 MHz |
| Rated Speed | 2666 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio, Dolby Voice |
| COMMUNICATIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL) |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | LTE |
| Controller | - | Quectel EM05-G - M.2 Card |
| BATTERY | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Technology | Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 39.3 Wh |
| Battery Life | Up to 9 hours | - |
| AC ADAPTER | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 2.0 (hidden) USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo ThinkBook 14-IIL (Lenovo ThinkBook 14) | Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, RapidCharge | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Silver | EPEAT Gold |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | IIL 20SL | - |