Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) vs. ASUS ROG Zephyrus Duo 15 SE (GX551QR)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and ASUS ROG Zephyrus Duo 15 SE (GX551QR). 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.

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

ASUS ROG Zephyrus Duo 15 SE (GX551QR) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QR) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high refresh rate display

ample connectivity options

premium build quality

high price point

short battery life

heavy and bulky

loud under load

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and ASUS ROG Zephyrus Duo 15 SE (GX551QR)
69 % - Design
66 % - Display
45 % - Performance
65 % - Connectivity
65 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) vs. ASUS ROG Zephyrus Duo 15 SE (GX551QR) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 36 cm x 26.8 cm x 2.09 cm
Weight 1.85 kg 2.48 kg
Case Material Polycarbonate ABS Metal
Colour Granite black IMR -
DISPLAY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Screen Size (Type) 15.6" - TN 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 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 220 cd/m² -
Colour Gamut - 100% sRGB, 75.35% Adobe RGB
Features Anti-glare Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level
PROCESSOR Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
CPU AMD A9 9425 / 3.1 GHz AMD Ryzen 9 5980HX / 3.3 GHz
Max Turbo Speed 3.7 GHz 4.8 GHz
Number of Cores Dual-Core 8-core
Cache 1 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
RAM 4 GB (1 x 4 GB) 32 GB (1 x 16 GB + 16 GB (soldered))
Max RAM Supported 8 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2133 MHz 3200 MHz
Rated Speed 2133 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Main Storage Size (HDD/SSD) 128 GB SSD 2.5" (7 mm) SATA 6Gb/s 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon R5 NVIDIA GeForce RTX 3070 / AMD Radeon Vega
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - ROG Boost, Dynamic Boost
Gaming - Yes
Camera Yes -
Resolution 0.3 Megapixel -
Sound Stereo speakers, microphone Stereo speakers, two tweeters, array microphone
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features - Smart Amp
COMMUNICATIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card -
Network Interface - Gigabit Ethernet
Features Single stream (1x1) Dual stream (2x2)
BATTERY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Technology Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 30 Wh 90 Wh
Battery Life Up to 4 hours -
AC ADAPTER Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 240 Watt, 20 V, 12 A
INPUT Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Type Keyboard, touchpad Keyboard, touchpad, NumberPad
Numeric Keypad Yes -
Keyboard Backlight - Yes (RGB)
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard, per-key RGB, 1.4mm travel distance
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
3 x USB 3.2 Gen 2
HDMI
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Operating System (OS) Windows 10 Home in S mode - English Windows 10 Home
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Included Accessories Power adapter Power adapter, palm rest, ROG X DL2 thank you card
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip -
Features Administrator password, hard drive password, power-on password System password, ASUS Aura Sync technology
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
ENERGY STAR Certified Yes -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15AST 81N3 HF087T
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