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

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LWS) and Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

ASUS ROG Zephyrus Duo 15 (GX550LWS) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 (GX550LWS) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high-refresh-rate display

premium build quality

effective cooling system

high price point

short battery life

heavy and bulky

limited port selection

Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

adequate connectivity options

solid build quality

simple user interface

mediocre battery life

average display quality

limited graphics performance

slower HDD storage

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 15 (GX550LWS) and Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
83 % - Design
85 % - Display
87 % - Performance
85 % - Connectivity
65 % - Battery
69 % - Design
66 % - Display
45 % - Performance
65 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 15 (GX550LWS) vs. Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 26.8 cm x 2 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 2.48 kg 1.85 kg
Case Material - Polycarbonate ABS
Colour Gunmetal gray Granite black IMR
DISPLAY ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Screen Size (Type) 15.6" 15.6" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1366 x 768 (HD)
V-Sync Rate at Max Res. 300 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 220 cd/m²
Colour Gamut 100% sRGB, 72% NTSC, 75.35% Adobe RGB -
Features Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut Anti-glare
PROCESSOR ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
CPU Intel Core i7 (10th Gen) 10875H / 2.3 GHz AMD A9 9425 / 3.1 GHz
Max Turbo Speed 5.1 GHz 3.7 GHz
Number of Cores 8-core Dual-Core
Cache 16 MB 1 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 S145-15AST (Lenovo IdeaPad S145)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 4 GB (1 x 4 GB)
Max RAM Supported 48 GB 8 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2933 MHz 2133 MHz
Rated Speed 3200 MHz 2133 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe - NVM Express (NVMe) 128 GB SSD 2.5" (7 mm) SATA 6Gb/s
AUDIO & VIDEO ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics AMD Radeon R5
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, array microphone Stereo speakers, 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 S145-15AST (Lenovo IdeaPad S145)
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 S145-15AST (Lenovo IdeaPad S145)
Technology 4-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 90 Wh 30 Wh
Battery Life - Up to 4 hours
AC ADAPTER ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 45 Watt
INPUT ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Type Keyboard, NumberPad, ScreenPad Plus Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) -
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 S145-15AST (Lenovo IdeaPad S145)
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 2.0
2 x USB 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 S145-15AST (Lenovo IdeaPad S145)
Operating System (OS) Windows 10 Home Windows 10 Home in S mode - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS ASUS ROG Zephyrus Duo 15 (GX550LWS) Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM 2.0) Security Chip
Features System password, 65W power delivery Administrator password, hard drive password, power-on password
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
SAR Value 0.028 W/kg (body), 0.028 W/kg (limb) -
ENERGY STAR Certified - Yes
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
Model Number HF055T 15AST 81N3
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