Detailed comparison and review of Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) and Lenovo ThinkPad E15 (20RE). 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 X1 Extreme (2nd Gen) (20QW) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard feel
high-resolution display
advanced security features
high price point
average battery life
heavier than competitors
noisy under load
Advantages and disadvantages of Lenovo ThinkPad E15 (20RE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
solid processor performance
reasonable price point
average battery life
modest display quality
limited graphics capability
no thunderbolt support
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.84 cm | 36.8 cm x 24.5 cm x 1.89 cm |
| Weight | 1.7 kg | 1.9 kg |
| Case Material | Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic | Aluminum, polycarbonate ABS |
| Colour | Black paint | Black |
| DISPLAY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 500 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | - |
| Features | Anti-glare, HDR (high dynamic range), 170° viewing angle, Dolby Vision | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| CPU | Intel Core i9 (9th Gen) 9880H / 2.3 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.1 GHz |
| Number of Cores | 8-core | Dual-Core |
| Cache | 16 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM246 | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2666 MHz |
| Rated Speed | 2666 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Intel | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - SK Hynix |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 / Intel UHD Graphics 630 | Intel UHD Graphics |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Video System Features | Max-Q design | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, ThinkShutter camera privacy | ThinkShutter camera privacy |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Conexant CX11880 | Conexant CX11880 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Atmos | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | Intel Wireless-AC 9560 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 45 Wh |
| Battery Life | Up to 14 hours | Up to 12.2 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt, 20 V | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Interfaces | USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Lenovo Ethernet extension connector Headphone/microphone combo jack LAN (on supplied cable) |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | - |
| SOFTWARE | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QW) | Lenovo ThinkPad E15 (20RE) |
|---|
| Included Accessories | Power adapter, ThinkPad Ethernet Extension cable | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 0.546 W/kg (body), 0.546 W/kg (limb) | 0.367 W/kg (body), 0.367 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Silver | EPEAT Silver |
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