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.
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
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
DESIGN AND DIMENSIONS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
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Product Type | Notebook | Notebook |
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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) |
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Screen Size (Type) | 15.6" - TN | 15.6" |
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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) |
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CPU | AMD A9 9425 / 3.1 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
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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) |
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RAM | 4 GB (1 x 4 GB) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
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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) |
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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) |
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AUDIO & VIDEO | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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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) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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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) |
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Technology | Lithium Ion | 4-cell Lithium Ion |
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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) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 240 Watt, 20 V, 12 A |
INPUT | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
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Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
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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) |
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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 |
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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) |
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Operating System (OS) | Windows 10 Home in S mode - English | Windows 10 Home |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
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Included Accessories | Power adapter | Power adapter, palm rest, ROG X DL2 thank you card |
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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 |