In depth comparison and review of Lenovo 100e (2nd Gen) (81M8) and Lenovo ThinkPad T490 (20N2). 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 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
Advantages and disadvantages of Lenovo ThinkPad T490 (20N2) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
mediocre display quality
limited graphics power
noisy under load
heavier than competitors
DESIGN AND DIMENSIONS | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Product Type | Notebook - 180-degree hinge design | Notebook |
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Dimensions (WxDxH) | 29 cm x 20.4 cm x 1.99 cm | 32.9 cm x 22.7 cm x 1.79 cm |
Weight | 1.13 kg | 1.55 kg |
Case Material | Polycarbonate ABS | Glass-fibre, polyphenylene sulfide, polyamide |
Colour | Black | Black |
DISPLAY | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Screen Size (Type) | 11.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% |
Features | Anti-glare | Anti-glare |
PROCESSOR | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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CPU | Intel Celeron N4000 / 1.1 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
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Max Turbo Speed | 2.6 GHz | 3.9 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 4 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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Max RAM Supported | - | 40 GB |
RAM Type | LPDDR4 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz | 2400 MHz |
Rated Speed | 2400 MHz | 2666 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 1 |
STORAGE | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Main Storage Size (HDD/SSD) | 64 GB eMMC | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel UHD Graphics |
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Camera | Yes - 720p | Yes - 720p |
Camera Features | - | ThinkShutter camera privacy |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio Premium |
COMMUNICATIONS | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | Intel Wireless-AC 9560 - M.2 Card | Intel Wireless-AC 9560 |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
WWAN |
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Generation | - | 4G |
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Technology | - | LTE |
Controller | - | FIBOCOM L830-EB - M.2 Card |
BATTERY | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Technology | Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 42 Wh | 50 Wh |
Battery Life | Up to 10 hours | Up to 16.11 hours |
AC ADAPTER | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 45 Watt | 65 Watt |
INPUT | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Slots | - | 1 x Nano-SIM card (1 free) |
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Interfaces | USB-C 3.0 (Power Delivery) USB 3.0 USB 3.0 (Always On) Headphone/microphone combo jack HDMI |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Dock Headphone/microphone combo jack LAN |
Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Operating System (OS) | Windows 10 Pro National Academic | Windows 10 Pro 64-bit Edition - English |
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MISCELLANEOUS | Lenovo 100e (2nd Gen) (81M8) | Lenovo ThinkPad T490 (20N2) |
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Dockable | - | Yes |
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Included Accessories | USB-C power adapter | USB-C power adapter |
Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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, power-on password | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
Compliant Standards | RoHS | RoHS |
SAR Value | 0.08 W/kg (body), 0.08 W/kg (limb) | - |
ENERGY STAR Certified | - | Yes |
EPEAT Compliant | - | EPEAT Gold |
TCO Certified | TCO Certified Notebooks 8 | - |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |