Detailed comparison and review of Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 E15 Gen 2 (20TE) 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
affordable price point
average display quality
modest graphics performance
no thunderbolt support
heavier design
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust connectivity options
supports fast charging
dedicated nvidia gpu
upgradeable ram and storage
solid build quality
average battery capacity
basic 250-nit display
limited cpu performance
no fingerprint reader
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.7 kg | 1.77 kg |
Case Material | Aluminium (top), polycarbonate ABS (bottom) | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black | Thunder black |
DISPLAY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Screen Size (Type) | 15.6" - TN | 15.6" - IPS |
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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 | 220 cd/m² | 250 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare, 90° viewing angle | Anti-glare |
PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4.2 GHz | 4.6 GHz |
Number of Cores | Quad-Core | 10-core |
Cache | 8 MB | 12 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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RAM | 8 GB (1 x 8 GB) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 32 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 | 0 | 1 |
STORAGE | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Graphics Processor (GPU) | NVIDIA GeForce MX450 / Intel Iris Xe Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
Video Memory | 2 GB GDDR5 SDRAM | - |
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, 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 | High Definition Audio, Dolby Audio |
Audio Features | Harman audio technology | Input: Dolby Voice, far-field |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 201 - M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111H-CG | Intel I219-V |
Features | Wake-on-LAN (WOL), dual stream (2x2) | 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 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Technology | 3-cell lithium polymer | Lithium polymer |
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Battery Capacity (Size) | 45 Wh | 57 Wh |
Battery Life | Up to 10.8 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Input | AC 100-240 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 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | - | 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 E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Slots | 1 x M.2 (PCI Express 3.0 x4) (1 free) | - |
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Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) 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) 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 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Included Accessories | USB-C power adapter | USB-C power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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, self-healing BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, 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 - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |