Lenovo ThinkPad X1 Nano Gen 1 (20UN) vs. Lenovo IdeaPad 3 15IIL05 (81WE)

Laptop Comparison, Reviews and Tests
Lenovo IdeaPad 3 15IIL05 (81WE)

In depth comparison and review of Lenovo ThinkPad X1 Nano Gen 1 (20UN) and Lenovo IdeaPad 3 15IIL05 (81WE). 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.

Laptop Specifications Comparison

Lenovo ThinkPad X1 Nano Gen 1 (20UN) vs. Lenovo IdeaPad 3 15IIL05 (81WE) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Product Type Notebook Notebook
Dimensions (WxDxH) 29.28 cm x 20.77 cm x 1.67 cm 36.22 cm x 25.34 cm x 1.99 cm
Weight 907 g 1.85 kg
Case Material Carbon fibre (top), magnesium alloy (bottom) Polycarbonate ABS
Colour Black paint Business black | Platinum grey | Abyss blue
DISPLAY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Screen Size (Type) 13" - IPS 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 2160 x 1350 (2K) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 450 cd/m² 220 cd/m²
Colour Gamut 100% sRGB -
Features Anti-glare, 170° viewing angle, Low Power Anti-glare
PROCESSOR Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
CPU Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz
Max Turbo Speed 4 GHz 3.4 GHz
Number of Cores Quad-Core Dual-Core
Cache 8 MB 4 MB
64-bit Computing - Yes
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
RAM 16 GB (provided memory is soldered) 4 GB (provided memory is soldered)
Max RAM Supported - 12 GB
RAM Type LPDDR4X SDRAM DDR4 SDRAM
Speed 4266 MHz 2666 MHz
Rated Speed 4266 MHz 2666 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel UHD Graphics
Memory Allocation Technology - Shared Video Memory (UMA)
Max Monitors Supported 2 external monitor(s) 1 external monitor(s)
Camera Yes - 720p Yes
Resolution - 0.3 Megapixel
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus, Human Presence Detection Privacy shutter
Sound Four speakers, four microphones Stereo speakers, dual array microphone
Codec Realtek ALC3306 -
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller Intel Wi-Fi 6 AX 201 M.2 Card
Features Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 48 Wh 35 Wh
Battery Life Up to 22.87 hours Up to 7.3 hours
AC ADAPTER Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Interfaces 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB 2.0
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 10 Home in S mode - English
Software Included - Microsoft 365 Personal
MISCELLANEOUS Lenovo ThinkPad X1 Nano Gen 1 (20UN) Lenovo IdeaPad 3 15IIL05 (81WE)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, Firmware Resiliency 2.0 Administrator password, hard drive password, power-on password
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 3
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Limited warranty - 1 year - pick-up and return
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