Detailed comparison and review of Lenovo ThinkPad X250 and Lenovo ThinkPad E490 (20N9). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad X250 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
compact and portable
good security features
average display quality
limited graphics performance
noisy under load
older processor model
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 X250 | Lenovo ThinkPad E490 (20N9) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 30.48 cm x 20.83 cm x 2.03 cm | 32.9 cm x 24.2 cm x 1.99 cm |
Weight | 1.31 kg | 1.75 kg |
Case Material | Glass-fibre reinforced plastic | Aluminum, polycarbonate ABS |
Colour | Black | Black |
DISPLAY | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Screen Size (Type) | 12.5" | 14" - 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 |
Features | Anti-glare | Anti-glare, 170° viewing angle |
PROCESSOR | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
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Max Turbo Speed | 2.9 GHz | 3.9 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 3 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
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Max RAM Supported | 16 GB | 32 GB |
RAM Type | DDR3L SDRAM | DDR4 SDRAM |
Speed | - | 2400 MHz |
Rated Speed | - | 2666 MHz |
Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 2 |
Empty Slots | 0 | 1 |
STORAGE | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Main Storage Size (HDD/SSD) | 120 GB SSD | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - Toshiba |
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AUDIO & VIDEO | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel UHD Graphics 620 |
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Camera | Yes - 720p | Yes - 720p |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3232 | Conexant CX11880 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Advanced Audio |
COMMUNICATIONS | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Wireless | Bluetooth, Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | - | Intel Dual Band Wireless-AC 9260 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Realtek R8111GUS |
BATTERY | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Technology | Lithium Ion | 3-cell Lithium Ion |
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Battery Capacity (Size) | - | 45 Wh |
Battery Life | - | Up to 13 hours |
AC ADAPTER | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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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 ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Interfaces | USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
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 |
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Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
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MISCELLANEOUS | Lenovo ThinkPad X250 | Lenovo ThinkPad E490 (20N9) |
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Dockable | Yes | - |
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Included Accessories | Power adapter | USB-C power adapter |
Security | Trusted Platform Module (TPM 1.2) 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, ThinkEngine, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
Compliant Standards | ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 | RoHS |
SAR Value | - | 0.47 W/kg (body), 0.47 W/kg (limb) |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Silver |
Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |