ASUS ROG Zephyrus Duo 15 (GX550LWS) vs. Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LWS) and Lenovo IdeaPad S540-15IML (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.

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 (GX550LWS) vs. Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2 cm 35.8 cm x 24.5 cm x 1.69 cm
Weight 2.48 kg 1.95 kg
Case Material - Aluminum, glass
Colour Gunmetal gray Mineral grey
DISPLAY ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 300 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 100% sRGB, 72% NTSC, 75.35% Adobe RGB 72%
Features Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut Glossy
PROCESSOR ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
CPU Intel Core i7 (10th Gen) 10875H / 2.3 GHz Intel Core i3 (10th Gen) 10110U / 2.1 GHz
Max Turbo Speed 5.1 GHz 4.1 GHz
Number of Cores 8-core Dual-Core
Cache 16 MB 4 MB
64-bit Computing Yes Yes
Chipset Intel HM470 -
Features Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 4 GB (provided memory is soldered)
Max RAM Supported 48 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 2400 MHz
Rated Speed 3200 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics Intel UHD Graphics
Video Memory 8 GB GDDR6 SDRAM -
Video System Features NVIDIA Optimus, Max-Q design -
Gaming Yes -
Camera - Yes - 720p
Resolution - 1 Megapixel
Camera Features - Privacy shutter
Sound Stereo speakers, array microphone Stereo speakers, dual array microphone
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features ESS SABRE HiFi audio DAC technology, Smart Amp -
VR Ready Yes -
COMMUNICATIONS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller - M.2 Card
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 90 Wh 70 Wh
Battery Life - Up to 15 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 65 Watt
INPUT ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Type Keyboard, NumberPad, ScreenPad Plus Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Interfaces USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 2
2 x USB 3.2 Gen 1
HDMI
LAN
Headphone output
Microphone input
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 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Operating System (OS) Windows 10 Home Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Features System password, 65W power delivery Administrator password, hard drive password, power-on password, RapidCharge
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
SAR Value 0.028 W/kg (body), 0.028 W/kg (limb) 1.81 W/kg (body), 1.81 W/kg (limb)
ENERGY STAR Certified - Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number HF055T 15IML 81NG
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