Side by side comparison and review of Lenovo ThinkPad X1 Extreme (20MF) and Lenovo ThinkPad E490 (20N9). 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 E490 (20N9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
decent battery life
solid performance
average display quality
heavier design
no thunderbolt support
limited graphics power
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm | 32.9 cm x 24.2 cm x 1.99 cm |
| Weight | - | 1.75 kg |
| Case Material | Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic | Aluminum, polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | - | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| CPU | No CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | - | 3.9 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 (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| RAM | - | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Main Storage Size (HDD/SSD) | - | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Graphics Processor (GPU) | - | Intel UHD Graphics 620 |
|---|---|---|
| Camera | - | Yes - 720p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3286 | Conexant CX11880 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Atmos | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Wireless | - | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 9260 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 45 Wh |
| Battery Life | Up to 14.9 hours | Up to 13 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C (supports Thunderbolt 3) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) USB 2.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (20MF) | Lenovo ThinkPad E490 (20N9) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | 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 | 0.193 W/kg (body), 0.193 W/kg (limb) | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Silver |
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