In depth comparison and review of Lenovo ThinkPad T14 Gen 3 (21AH) and Lenovo ThinkPad L15 Gen 4 (21H7). 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 ThinkPad T14 Gen 3 (21AH) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
good security features
efficient thermal management
average display brightness
modest onboard graphics
higher price point
limited color accuracy
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate connectivity options
mediocre display quality
heavier than competitors
limited graphics performance
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.21 kg | 1.77 kg |
| Case Material | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Thunder black | Thunder black |
| DISPLAY | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 170° viewing angle, Low Power, ICC template colour calibration | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | AMD Ryzen 5 Pro 7530U / 2 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.5 GHz |
| Number of Cores | 10-core | 6-core |
| Cache | 12 MB | L3 - 16 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 40 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus, Human Presence Detection (software) | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| 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 |
| Audio Features | - | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | AMD RZ616 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G upgradable | 4G upgradable |
|---|
| BATTERY | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 39.3 Wh | 57 Wh |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| 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 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | Glance by Mirametrix | - |
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 3 (21AH) | Lenovo ThinkPad L15 Gen 4 (21H7) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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 | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | 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 | Base warranty - 3 years - pick-up and return Extended warranty - 1 year - on-site Base warranty - battery - 1 year |
Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
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