In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20T8) and Lenovo ThinkPad X1 Extreme Gen 3 (20TK). 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 X1 Extreme Gen 3 (20TK) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
high-resolution display
robust build quality
ample connectivity options
good thermal management
heavy chassis
expensive price point
average battery life
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 1.7 kg | 1.7 kg |
| Case Material | Aluminum, polycarbonate ABS | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, aluminium alloy |
| Colour | Black | Black weave |
| DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 600 cd/m² |
| Colour Gamut | - | 100% Adobe RGB |
| Features | Anti-glare, 170° viewing angle | Anti-glare, Wide Viewing Angle, HDR (high dynamic range), 178° viewing angle, Dolby Vision |
| PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| CPU | AMD Ryzen 5 4500U / 2.3 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 5 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | L3 - 8 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Mobile Intel WM490 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 24 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2933 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 X1 Extreme Gen 3 (20TK) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce GTX 1650 Ti / Intel UHD Graphics |
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | 2 external monitor(s) | - |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | IR camera, ThinkShutter camera privacy |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
| Audio Features | Harman/kardon stereo speakers | 3-magnet speakers |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Realtek RTL8822CE - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111GUS | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 80 Wh |
| Battery Life | Up to 12.7 hours | Up to 15.6 hours |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 135 Watt |
| INPUT | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| 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 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Included Accessories | USB-C power adapter | Power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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, Energy-Related Products (ErP) Lot 3 | RoHS |
| SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | 2.512 W/kg (body), 0.967 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| TCO Certified | TCO Certified Notebooks 8 | TCO Certified Notebooks 8 |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
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