Detailed comparison and review of Lenovo ThinkPad T14 Gen 3 (21AJ) and Lenovo ThinkBook 14 G4+ IAP (21CX). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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
Advantages and disadvantages of Lenovo ThinkBook 14 G4+ IAP (21CX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient thermal management
sharp full hd display
modern connectivity options
fast ssd storage
average battery life
no dedicated gpu
limited color accuracy
higher price segment
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm | 31.2 cm x 22.4 cm x 1.65 cm |
| Weight | 1.21 kg | 1.4 kg |
| Case Material | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) | Aluminium (top), aluminium (bottom) |
| Colour | Thunder black | Dual tone arctic grey |
| DISPLAY | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| CPU | Intel Core i5 (12th Gen) 1245U / 1.6 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.4 GHz |
| Number of Cores | 10-core | 10-core |
| Cache | 12 MB | 12 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | 4800 MHz |
| Rated Speed | 3200 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix | 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | Privacy shutter, fixed focus | 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, Dolby Voice | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Wake-on-LAN (WOL) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | Quectel EM05-G - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 39.3 Wh | 46.5 Wh |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 100 Watt |
| INPUT | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 1 x M.2 (PCI Express 3.0 x4) (1 free) 1 x M.2 (PCI Express 4.0 x4) (0 free) |
|---|---|---|
| Interfaces | 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 |
USB 2.0 (hidden) USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) HDMI USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 3 in 1 (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 3 (21AJ) | Lenovo ThinkBook 14 G4+ IAP (21CX) |
|---|
| Included Accessories | USB-C power adapter | USB-C slim wall mount power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | 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 | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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