Side by side comparison and review of Lenovo ThinkPad T490 (20N2) and Lenovo ThinkPad E15 (20RD). 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 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
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 T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 32.9 cm x 22.7 cm x 1.79 cm | 36.8 cm x 24.5 cm x 1.89 cm |
Weight | 1.55 kg | 1.9 kg |
Case Material | Glass-fibre, polyphenylene sulfide, polyamide | Aluminum, polycarbonate ABS |
Colour | Black | Black |
DISPLAY | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Screen Size (Type) | 14" - IPS | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full 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, 170° viewing angle |
PROCESSOR | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i5 (10th Gen) 10210U / 1.6 GHz |
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Max Turbo Speed | 3.9 GHz | 4.2 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 40 GB | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 2666 MHz |
Rated Speed | 2666 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
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Camera | Yes - 720p | Yes - 720p |
Camera Features | ThinkShutter camera privacy | ThinkShutter camera privacy |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Conexant CX11880 |
Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Advanced Audio |
COMMUNICATIONS | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
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Wireless Controller | Intel Wireless-AC 9560 | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | Intel I219-V | Realtek R8111GUS |
Features | - | Dual stream (2x2) |
WWAN |
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Generation | 4G | - |
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Technology | LTE | - |
Controller | FIBOCOM L830-EB - M.2 Card | - |
BATTERY | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Technology | Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 50 Wh | 45 Wh |
Battery Life | Up to 16.11 hours | Up to 12.2 hours |
AC ADAPTER | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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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 T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Slots | 1 x Nano-SIM card (1 free) | - |
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Interfaces | 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 |
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 (microSD) | - |
SOFTWARE | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
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MISCELLANEOUS | Lenovo ThinkPad T490 (20N2) | Lenovo ThinkPad E15 (20RD) |
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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 2.0) Security Chip, fingerprint reader, smart card 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, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
Compliant Standards | RoHS | RoHS |
SAR Value | - | 0.367 W/kg (body), 0.367 W/kg (limb) |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | EPEAT Gold | EPEAT Silver |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
Limited warranty - 3 years - on-site Limited warranty - battery - 1 year |