In depth comparison and review of Lenovo ThinkPad E490 (20N8) and Lenovo 100e (2nd Gen) (81M8). 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 E490 (20N8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
reliable performance
good security features
competitive price point
average battery life
modest display quality
no thunderbolt support
heavier design
Advantages and disadvantages of Lenovo 100e (2nd Gen) (81M8) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
rugged design
compact and lightweight
decent battery life
efficient for basic tasks
limited storage capacity
low-resolution display
modest performance
fewer connectivity options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 24.2 cm x 1.99 cm | 29 cm x 20.4 cm x 1.99 cm |
| Weight | 1.75 kg | 1.13 kg |
| Case Material | Aluminum, polycarbonate ABS | Polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Screen Size (Type) | 14" - IPS | 11.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Features | Anti-glare, 170° viewing angle | Anti-glare |
| PROCESSOR | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Celeron N4000 / 1.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 2.6 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4 SDRAM |
| Speed | 2400 MHz | 2133 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 600 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Conexant CX11880 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 9260 - M.2 Card | Intel Wireless-AC 9560 - M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek R8111GUS | - |
| BATTERY | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 42 Wh |
| Battery Life | Up to 13 hours | Up to 10 hours |
| AC ADAPTER | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 2 USB 2.0 HDMI LAN Headphone/microphone combo jack |
USB-C 3.0 (Power Delivery) USB 3.0 USB 3.0 (Always On) Headphone/microphone combo jack HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Pro National Academic |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E490 (20N8) | Lenovo 100e (2nd Gen) (81M8) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM) 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, power-on password |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 0.47 W/kg (body), 0.47 W/kg (limb) | 0.08 W/kg (body), 0.08 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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