In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20T8) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 E15 Gen 2 (20T8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
solid cpu performance
good keyboard feel
adequate port selection
competitive pricing
average display quality
modest battery life
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 (20T8) | 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 | Aluminum, polycarbonate ABS | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Black | Thunder black |
DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Screen Size (Type) | 15.6" - IPS | 15.6" - 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 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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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 (20T8) | 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 - NVM Express (NVMe) | 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 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 2 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 | IR camera, 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, Dolby Audio | High Definition Audio, Dolby Audio |
Audio Features | Harman/kardon stereo speakers | Input: Dolby Voice, far-field |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | Realtek RTL8822CE - M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111GUS | Intel I219-V |
Features | 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 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Technology | Lithium polymer | 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 (20T8) | 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 (20T8) | 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 | 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 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB-C 3.2 Gen 1 (supports DisplayPort 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 |
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Memory Card Reader | - | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad L15 Gen 4 (21H3) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Pro - English |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T8) | 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 | 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-810G 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 | 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 | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |