In depth comparison and review of Lenovo ThinkPad X13 Gen 1 (20UF) and Lenovo IdeaPad 520-15IKB (81BF). 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 X13 Gen 1 (20UF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
compact and portable
reliable performance
dim display brightness
limited storage capacity
no dedicated GPU
higher price point
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
DESIGN AND DIMENSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 31.19 cm x 21.72 cm x 1.69 cm | 37.8 cm x 26 cm x 2.2 cm |
Weight | 1.29 kg | 2.2 kg |
Case Material | Glass-fibre, magnesium-aluminum alloy, polyphenylene sulfide | Metal |
Colour | Black | Golden |
DISPLAY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Screen Size (Type) | 13.3" - IPS | 15.6" - IPS |
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Touchscreen | Yes (10-point multi-touch) | - |
LCD Backlight Technology | 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 | 300 cd/m² | 250 cd/m² |
Colour Gamut | 72% NTSC | - |
Features | Anti-glare, 170° viewing angle, 72% NTSC colour gamut | Anti-glare |
PROCESSOR | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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CPU | AMD Ryzen 5 Pro 4650U / 2.1 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
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Max Turbo Speed | 4 GHz | 4 GHz |
Number of Cores | 6-core | Quad-Core |
Cache | L3 - 8 MB | 8 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
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Max RAM Supported | - | 16 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 2133 MHz |
Rated Speed | 3200 MHz | 2400 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
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Optical Drive | - | DVD±RW |
AUDIO & VIDEO | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | AMD Radeon Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 3 external monitor(s) | - |
Video Memory | - | 4 GB GDDR5 SDRAM |
Camera | Yes - 720p | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | IR camera, Windows Hello, ThinkShutter camera privacy | Fixed focus |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
Audio Features | - | Output: Harman audio technology |
COMMUNICATIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Intel Wi-Fi 6 AX 200 - M.2 Card | M.2 Card |
Network Interface | - | Gigabit Ethernet |
Ethernet Controller | Realtek RTL8111EPV | - |
Compliant Standards | DASH | - |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | Single stream (1x1) |
WWAN |
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Generation | WWAN upgradable | - |
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BATTERY | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Technology | Lithium polymer | 2-cell lithium polymer |
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Battery Capacity (Size) | 48 Wh | 35 Wh |
Battery Life | Up to 13.9 hours | Up to 6 hours |
AC ADAPTER | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 65 Watt |
INPUT | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Dock Headphone/microphone combo jack |
USB-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkPad X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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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 X13 Gen 1 (20UF) | Lenovo IdeaPad 520-15IKB (81BF) |
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Dockable | Yes | - |
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Included Accessories | USB-C power adapter | Power adapter |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Fingerprint reader |
Security Slot Type | Kensington security slot | Kensington mini 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, self-healing BIOS | Administrator password, hard drive password, power-on password |
Compliant Standards | RoHS, TCG Certified | RoHS |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 5 °C | - |
Humidity Range Operating | 8 - 95% | - |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - 1 year - pick-up and return |
Limited warranty - 1 year - pick-up and return |