Side by side comparison and review of Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo ThinkPad X1 Nano Gen 2 (21E9). 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 (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 X1 Nano Gen 2 (21E9) based on its technical characteristics, features, user experience, expert reviews and price level.
ultra-lightweight design
impressive battery life
robust security features
sharp display quality
powerful intel processor
limited port selection
higher price point
no touchscreen option
average speaker quality
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 29.33 cm x 20.81 cm x 1.48 cm |
| Weight | 1.7 kg | 991.5 g |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Carbon fibre (top), magnesium alloy (bottom) |
| Colour | Black | Black weave |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Screen Size (Type) | 15.6" - TN | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2160 x 1350 (2K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 220 cd/m² | 450 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, 90° viewing angle | Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Low Power, Add-on Film Touch |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i7 (12th Gen) 1270P / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 8 MB | 18 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | 5200 MHz |
| Rated Speed | 3200 MHz | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| 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 - Kioxia |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX450 / Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | 2 external monitor(s) |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| 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, two tweeters, two woofers, four microphones |
| Codec | Realtek ALC3287 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos, Dolby Voice |
| Audio Features | Harman audio technology | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 49.5 Wh |
| Battery Life | Up to 10.8 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | 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, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x4) (1 free) | - |
|---|---|---|
| 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 |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) LAN (on supplied adapter) Headphone/microphone combo jack |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad X1 Nano Gen 2 (21E9) |
|---|
| Included Accessories | USB-C power adapter | Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | 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, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication |
| Compliant Standards | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, TCG Certified |
| 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% |
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