ASUS 15 (M509DA) vs. Lenovo Yoga S940-14IWL (Lenovo Yoga S940)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS 15 (M509DA) and Lenovo Yoga S940-14IWL (Lenovo Yoga S940). 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.

ASUS 15 (M509DA) Review

Advantages and disadvantages of ASUS 15 (M509DA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

adequate performance

decent battery life

average display quality

limited upgrade options

no backlit keyboard

mediocre sound output

Lenovo Yoga S940-14IWL (Lenovo Yoga S940) Review

Advantages and disadvantages of Lenovo Yoga S940-14IWL (Lenovo Yoga S940) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-slim design

high-resolution display

strong build quality

fast performance

innovative ai features

limited port selection

higher price point

average battery life

no dedicated gpu

Laptop Comparison and Tests

Difference between ASUS 15 (M509DA) and Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
75 % - Design
66 % - Display
65 % - Performance
75 % - Connectivity
65 % - Battery
86 % - Design
86 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS 15 (M509DA) vs. Lenovo Yoga S940-14IWL (Lenovo Yoga S940) Comparison Chart
DESIGN AND DIMENSIONS ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.02 cm x 23.49 cm x 2.29 cm 31.93 cm x 19.74 cm x 1.42 cm
Weight 1.8 kg 1.2 kg
Case Material - Aluminum
Colour Transparent silver Iron grey
DISPLAY ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
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)
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 400 cd/m²
Colour Gamut 45% NTSC 72% NTSC
Features Anti-glare, NanoEdge display Glossy, One Glass Solution, Dolby Vision
PROCESSOR ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
CPU AMD Athlon Silver 3050U / 2.3 GHz Intel Core i5 (8th Gen) 8265U / 1.6 GHz
Max Turbo Speed 3.2 GHz 3.9 GHz
Number of Cores Dual-Core Quad-Core
Cache L2 - 4 MB 6 MB
64-bit Computing Yes -
Features - Integrated memory controller
MEMORY ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 12 GB -
RAM Type DDR4 SDRAM LPDDR3 SDRAM
Speed - 2133 MHz
Rated Speed - 2400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 3.0 x2 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics 620
Camera Yes - VGA Yes - 720p
Camera Features - IR camera, fixed focus, ToF sensor
Sound Speaker, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3286
Compliant Standards - High Definition Audio, Dolby Atmos
Audio Features ASUS SonicMaster -
COMMUNICATIONS ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller - M.2 Card
Features - Dual stream (2x2)
BATTERY ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Technology 2-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 32 Wh 52 Wh
Battery Life - Up to 15 hours
AC ADAPTER ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 65 Watt
INPUT ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight - Yes
Features Chiclet keyboard Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1
2 x USB 2.0
USB-C 3.1 Gen 1
HDMI
2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3)
USB-C 3.1 Gen 1
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDHC, microSDXC) -
SOFTWARE ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Operating System (OS) No operating system Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS ASUS 15 (M509DA) Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features System password Administrator password, hard drive password, power-on password
Compliant Standards UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R RoHS
SAR Value 0.13 W/kg (body), 0.13 W/kg (limb) -
ENERGY STAR Certified Yes Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number EJ381 14IWL 81Q7
Other Comparisons with ASUS 15 (M509DA)
Other Comparisons with Lenovo Yoga S940-14IWL (Lenovo Yoga S940)
Other Popular Laptop Comparisons
Other projects: