ASUS ZenBook Duo UX481FA (BM021R) vs. Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenBook Duo UX481FA (BM021R) and Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

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

Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) Review

Advantages and disadvantages of Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) based on its technical characteristics, features, user experience, expert reviews and price level.

slim aluminum design

sharp full hd display

fast charging support

quiet cooling system

adequate port selection

average battery life

no optical drive

modest graphics performance

limited upgrade options

Laptop Comparison and Tests

Difference between ASUS ZenBook Duo UX481FA (BM021R) and Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
85 % - Design
85 % - Display
75 % - Performance
78 % - Connectivity
72 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ZenBook Duo UX481FA (BM021R) vs. Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.3 cm x 22.3 cm x 1.95 cm 32.3 cm x 22.7 cm x 1.59 cm
Weight 1.5 kg 1.5 kg
Case Material Aluminum Aluminum, polycarbonate ABS
Colour Celestial blue Mineral grey | Copper
DISPLAY ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Screen Size (Type) 14" 14" - IPS
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 300 cd/m² 250 cd/m²
Colour Gamut 72% NTSC 45%
Features Anti-glare, WideView Anti-glare
PROCESSOR ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
CPU Intel Core i7 (10th Gen) 10510U / 1.8 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed 4.9 GHz 3.7 GHz
Number of Cores Quad-Core Quad-Core
Cache 8 MB L3 - 4 MB
64-bit Computing Yes Yes
Features Intel Turbo Boost Technology 2.0 Integrated memory controller
MEMORY ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
RAM 16 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported - 12 GB
RAM Type - DDR4 SDRAM
Speed - 2400 MHz
Rated Speed - 2400 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 3.0 x4 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon Vega 8
Camera Yes - HD Yes - 720p
Resolution - 1 Megapixel
Camera Features IR camera Privacy shutter
Sound Harman/kardon stereo speakers, array microphone Stereo speakers, dual array microphone
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features ASUS SonicMaster, Bang & Olufsen Audio -
COMMUNICATIONS ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2)
BATTERY ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 70 Wh 45 Wh
Battery Life - Up to 9 hours
AC ADAPTER ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.42 A 65 Watt
INPUT ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Type Keyboard, stylus, ScreenPad Plus Keyboard, touchpad
Keyboard Backlight Yes Yes
Features - Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Interfaces USB-C 3.1 Gen 2
USB 3.1 Gen 2
USB 3.1 Gen 1
HDMI
USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC)
SOFTWARE ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS ASUS ZenBook Duo UX481FA (BM021R) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Included Accessories Stylus, power adapter Power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features - Administrator password, power-on password, RapidCharge
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
SAR Value 0.529 W/kg (body), 0.529 W/kg (limb) 0.58 W/kg (body), 0.58 W/kg (limb)
ENERGY STAR Certified - Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number - 14API 81NH
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