In depth comparison and review of Lenovo IdeaPad 520-15IKB (81BF) and Lenovo ThinkPad T490. 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 IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
Advantages and disadvantages of Lenovo ThinkPad T490 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
average display quality
limited graphics power
noisy under load
heavier than competitors
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.8 cm x 26 cm x 2.2 cm | - |
| Weight | 2.2 kg | - |
| Case Material | Metal | - |
| Colour | Golden | - |
| DISPLAY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | - |
| Features | Anti-glare | - |
| PROCESSOR | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| CPU | Intel Core i5 (8th Gen) 8550U / 1.8 GHz | Intel Core i5 (8th Gen) 8365U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | - |
| Speed | 2133 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Main Storage Size (HDD/SSD) | 2 TB HDD SATA 6Gb/s / 5400 rpm | 256 GB SSD |
|---|---|---|
| Optical Drive | DVD±RW | - |
| AUDIO & VIDEO | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX150 / Intel UHD Graphics 620 | Intel UHD Graphics |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes - 720p | - |
| Resolution | 1 Megapixel | - |
| Camera Features | Fixed focus | - |
| Sound | Stereo speakers, dual array microphone | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Output: Harman audio technology | - |
| COMMUNICATIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | - |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Features | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Technology | 2-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 35 Wh | - |
| Battery Life | Up to 6 hours | - |
| AC ADAPTER | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Interfaces | USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
Dock |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro |
|---|
| MISCELLANEOUS | Lenovo IdeaPad 520-15IKB (81BF) | Lenovo ThinkPad T490 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Fingerprint reader | - |
| Security Slot Type | Kensington mini security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password | - |
| Compliant Standards | RoHS | ISO 9001, ISO 14001, ISO 27001, GDPR |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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