ASUS 15 (X509UA) vs. Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS 15 (X509UA) 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 15 (X509UA) Review

Advantages and disadvantages of ASUS 15 (X509UA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

lightweight design

solid build quality

adequate performance level

good connectivity options

average display quality

limited storage capacity

modest battery life

no backlit keyboard

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 15 (X509UA) and Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
75 % - Design
64 % - Display
65 % - Performance
75 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS 15 (X509UA) vs. Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540) Comparison Chart
DESIGN AND DIMENSIONS ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.02 cm x 23.49 cm x 2.29 cm 32.3 cm x 22.7 cm x 1.59 cm
Weight 1.9 kg 1.5 kg
Case Material - Aluminum, polycarbonate ABS
Colour Slate grey Mineral grey | Copper
DISPLAY ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Screen Size (Type) 15.6" 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 200 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45%
Features Anti-glare Anti-glare
PROCESSOR ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
CPU Intel Core i3 (7th Gen) 7020U / 2.3 GHz AMD Ryzen 5 3500U / 2.1 GHz
Max Turbo Speed - 3.7 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB L3 - 4 MB
64-bit Computing Yes Yes
Features - Integrated memory controller
MEMORY ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
RAM 4 GB (provided memory is soldered) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 12 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed - 2400 MHz
Rated Speed - 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots - 0
STORAGE ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Graphics Processor (GPU) Intel HD Graphics 620 AMD Radeon Vega 8
Camera Yes - VGA Yes - 720p
Resolution - 1 Megapixel
Camera Features - Privacy shutter
Sound Speaker, microphone Stereo speakers, dual array microphone
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features ASUS SonicMaster -
COMMUNICATIONS ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller - M.2 Card
Features - Dual stream (2x2)
BATTERY ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Technology 2-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 32 Wh 45 Wh
Battery Life - Up to 9 hours
AC ADAPTER ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 65 Watt
INPUT ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Chiclet keyboard Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1
2 x USB 2.0
HDMI
USB-C 3.1 Gen 1
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 Yes (microSD, microSDHC, microSDXC) 4 in 1 (MultiMediaCard, microSD, microSDHC, microSDXC)
SOFTWARE ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS ASUS 15 (X509UA) Lenovo IdeaPad S540-14API (Lenovo IdeaPad S540)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features System password Administrator password, power-on password, RapidCharge
Compliant Standards UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R RoHS, Energy-Related Products (ErP) Lot 3
SAR Value 0.13 W/kg (body), 0.13 W/kg (limb) 0.58 W/kg (body), 0.58 W/kg (limb)
ENERGY STAR Certified Yes Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number EJ064T 14API 81NH
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