Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) vs. ASUS ROG Zephyrus Duo 15 (GX550LWS)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) and ASUS ROG Zephyrus Duo 15 (GX550LWS). 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

Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) vs. ASUS ROG Zephyrus Duo 15 (GX550LWS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 36 cm x 26.8 cm x 2 cm
Weight 1.85 kg 2.48 kg
Case Material Polycarbonate ABS -
Colour Platinum grey IMR Gunmetal gray
DISPLAY Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Screen Size (Type) 15.6" - TN 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 3840 x 2160 (Ultra HD 4K)
V-Sync Rate at Max Res. - 300 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB, 72% NTSC, 75.35% Adobe RGB
Features Anti-glare Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut
PROCESSOR Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
CPU Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz Intel Core i7 (10th Gen) 10875H / 2.3 GHz
Max Turbo Speed 3.4 GHz 5.1 GHz
Number of Cores Dual-Core 8-core
Cache 4 MB 16 MB
64-bit Computing Yes Yes
Chipset - Intel HM470
Features Integrated memory controller Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0
MEMORY Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
RAM 4 GB (provided memory is soldered) 32 GB (1 x 16 GB + 16 GB (soldered))
Max RAM Supported 12 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2933 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 0
STORAGE Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 1 TB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - NVIDIA Optimus, Max-Q design
Gaming - Yes
Camera Yes -
Resolution 0.3 Megapixel -
Sound Stereo speakers, microphone Stereo speakers, array microphone
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - ESS SABRE HiFi audio DAC technology, Smart Amp
VR Ready - Yes
COMMUNICATIONS Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card -
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Technology Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 30 Wh 90 Wh
Battery Life Up to 5.5 hours -
AC ADAPTER Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 240 Watt, 20 V, 12 A
INPUT Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Type Keyboard, touchpad Keyboard, NumberPad, ScreenPad Plus
Numeric Keypad Yes -
Keyboard Backlight - Yes (RGB)
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
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
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Operating System (OS) Windows 10 Home in S mode - English Windows 10 Home
Software Included Microsoft Office (30 days trial) -
MISCELLANEOUS Lenovo IdeaPad S145-15IIL (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 (GX550LWS)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip -
Features Administrator password, hard drive password, power-on password System password, 65W power delivery
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
SAR Value - 0.028 W/kg (body), 0.028 W/kg (limb)
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15IIL 81W8 HF055T
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