In depth comparison and review of Lenovo ThinkPad T590 (20N4) and Lenovo ThinkPad L14 Gen 4 (21H2). 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 T590 (20N4) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
solid performance
good security features
heavier than competitors
average display brightness
limited graphics power
noisy under load
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 4 (21H2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
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 T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 24.8 cm x 1.91 cm | 32.54 cm x 21.7 cm x 1.983 cm |
| Weight | 1.75 kg | 1.4 kg |
| Case Material | Glass-fibre, polyphenylene sulfide, polyamide | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Black | Thunder black |
| DISPLAY | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | - | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| CPU | No CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.6 GHz |
| Number of Cores | - | 10-core |
| Cache | - | 12 MB |
| Features | - | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| RAM | 0 GB | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 48 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Graphics Processor (GPU) | - | 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 - 1080p |
| Camera Features | - | 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 Premium | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Technology | Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 46.5 Wh |
| AC ADAPTER | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) HDMI LAN Headphone/microphone combo jack Dock |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 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) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Operating System (OS) | No operating system | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T590 (20N4) | Lenovo ThinkPad L14 Gen 4 (21H2) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS | 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 |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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