Side by side comparison and review of Lenovo ThinkPad E15 Gen 2 (20T9) and Lenovo ThinkPad L14 Gen 4 (21H1). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad E15 Gen 2 (20T9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
solid performance
average display quality
heavier than competitors
no thunderbolt support
limited color accuracy
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 4 (21H1) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
adequate port selection
mediocre display quality
heavier than competitors
limited graphics power
pricey base model
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 32.54 cm x 21.7 cm x 1.983 cm |
Weight | 1.7 kg | 1.4 kg |
Case Material | Aluminum, polycarbonate ABS | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black | Thunder black |
DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare, 170° viewing angle | Anti-glare |
PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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CPU | AMD Ryzen 5 4500U / 2.3 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4 GHz | 4.6 GHz |
Number of Cores | 6-core | 10-core |
Cache | L3 - 8 MB | 12 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 24 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 E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | Fixed focus, ThinkShutter camera privacy | 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 | High Definition Audio, Dolby Audio |
Audio Features | Harman/kardon stereo speakers | Input: Dolby Voice, far-field |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Intel Wi-Fi 6 AX 200 - M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek R8111GUS | Intel I219-V |
Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Technology | 3-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 45 Wh | 57 Wh |
Battery Life | Up to 12.7 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Slots | 2 x M.2 Card (1 free) | - |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
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) |
SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro - English |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T9) | Lenovo ThinkPad L14 Gen 4 (21H1) |
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Included Accessories | USB-C power adapter | USB-C power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
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-810H tested | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | - |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |