Lenovo ThinkPad L490 (20Q5) vs. ASUS ZenBook Duo UX481FA (BM021R)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L490 (20Q5) and ASUS ZenBook Duo UX481FA (BM021R). 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.

Lenovo ThinkPad L490 (20Q5) Review

Advantages and disadvantages of Lenovo ThinkPad L490 (20Q5) 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

limited graphics power

no thunderbolt support

ASUS ZenBook Duo UX481FA (BM021R) Review

Advantages and disadvantages of ASUS ZenBook Duo UX481FA (BM021R) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

compact and portable

solid build quality

efficient multitasking

touchscreen functionality

average battery life

no dedicated GPU

limited upgradeability

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L490 (20Q5) and ASUS ZenBook Duo UX481FA (BM021R)
74 % - Design
65 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery
85 % - Design
85 % - Display
75 % - Performance
78 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L490 (20Q5) vs. ASUS ZenBook Duo UX481FA (BM021R) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Product Type Notebook Notebook
Dimensions (WxDxH) 33.5 cm x 23.5 cm x 2.25 cm 32.3 cm x 22.3 cm x 1.95 cm
Weight 1.69 kg 1.5 kg
Case Material Polycarbonate ABS Aluminum
Colour Black Celestial blue
DISPLAY Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Screen Size (Type) 14" - IPS 14"
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 300 cd/m²
Colour Gamut 45% 72% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, WideView
PROCESSOR Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
CPU Intel Core i5 (8th Gen) 8265U / 1.6 GHz Intel Core i7 (10th Gen) 10510U / 1.8 GHz
Max Turbo Speed 3.9 GHz 4.9 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 8 MB
64-bit Computing Yes Yes
Features Integrated memory controller Intel Turbo Boost Technology 2.0
MEMORY Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM -
Speed 2400 MHz -
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x2 - TCG Opal Encryption - Samsung 1 TB SSD M.2 PCIe 3.0 x4
AUDIO & VIDEO Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel UHD Graphics
Camera Yes - 720p Yes - HD
Camera Features ThinkShutter camera privacy IR camera
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Advanced Audio -
Audio Features - ASUS SonicMaster, Bang & Olufsen Audio
COMMUNICATIONS Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.0, 802.11a/b/g/n/ac/ax
Wireless Controller Intel Dual Band Wireless-AC 9260 - M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
WWAN
Generation 4G -
Technology LTE -
Controller FIBOCOM L830-EB - M.2 Card -
BATTERY Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Technology 3-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 45 Wh 70 Wh
Battery Life Up to 12 hours -
AC ADAPTER Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt, 19.5 V, 3.42 A
INPUT Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Type Keyboard, TrackPoint, UltraNav Keyboard, stylus, ScreenPad Plus
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad -
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Dock
USB 3.1 Gen 1
USB-C 3.1 Gen 2
USB 3.1 Gen 2
USB 3.1 Gen 1
HDMI
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Pro 64-bit Edition
MISCELLANEOUS Lenovo ThinkPad L490 (20Q5) ASUS ZenBook Duo UX481FA (BM021R)
Dockable Yes -
Included Accessories USB-C power adapter Stylus, power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested -
Compliant Standards RoHS -
SAR Value - 0.529 W/kg (body), 0.529 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
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