In depth comparison and review of Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) and Lenovo ThinkPad E15 (20RD). 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 X1 Extreme (2nd Gen) (20QV) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard comfort
high-resolution display
advanced security features
heavier than competitors
short battery life
high price point
noisy under load
Advantages and disadvantages of Lenovo ThinkPad E15 (20RD) 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
mediocre display quality
average graphics performance
no thunderbolt support
heavier design
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 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 |
| DISPLAY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Features | - | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| CPU | No CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.2 GHz |
| Number of Cores | - | Quad-Core |
| Cache | - | 6 MB |
| 64-bit Computing | - | Yes |
| Chipset | Mobile Intel CM246 | - |
| Features | - | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| RAM | 0 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 2666 MHz |
| Rated Speed | - | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 2 | 0 |
| STORAGE | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Graphics Processor (GPU) | - | Intel UHD Graphics |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Camera Features | - | 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) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Technology | Lithium Ion | 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) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| 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 |
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) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Operating System (OS) | No operating system | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (2nd Gen) (20QV) | Lenovo ThinkPad E15 (20RD) |
|---|
| Included Accessories | Power adapter | 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 |
| Manufacturer Warranty | - | Limited warranty - 3 years - on-site Limited warranty - battery - 1 year |
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