In depth comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LXS) and Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145). 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 ASUS ROG Zephyrus Duo 15 (GX550LXS) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-quality build materials
excellent cooling system
vivid 4k display
high price point
short battery life
heavy and bulky
limited port selection
Advantages and disadvantages of Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent processor performance
sufficient connectivity options
quiet operation
average display quality
limited battery life
basic graphics capabilities
no backlit keyboard
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| 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 (bottom), polycarbonate ABS (top) |
| Colour | Gunmetal gray | Granite black | Granite black texture |
| DISPLAY | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (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. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 400 cd/m² | 220 cd/m² |
| Colour Gamut | 100% Adobe RGB, 132.7% sRGB, 95.54% NTSC | - |
| Features | Anti-glare, NVIDIA G-SYNC compatible, Pantone Validated | Anti-glare |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| CPU | Intel Core i9 (10th Gen) 10980HK / 2.4 GHz | AMD Athlon 300U / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 5.3 GHz | 3.3 GHz |
| Number of Cores | 8-core | Dual-Core |
| Cache | 16 MB | L3 - 4 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel HM470 | - |
| Features | Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| 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 | 3200 MHz | 2400 MHz |
| Rated Speed | - | 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 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Total Capacity | 2 TB | - |
|---|---|---|
| Main Storage Size (HDD/SSD) | 2 x 1 TB SSD M.2 PCIe - NVM Express (NVMe), HyperDrive RAID 0 | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
| RAID Level | RAID 0 | - |
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 SUPER / Intel UHD Graphics | AMD Radeon Vega 3 |
| Max Monitors Supported | - | 1 external monitor(s) |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | NVIDIA Optimus, Max-Q design | - |
| Gaming | Yes | - |
| Camera | - | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | - | Fixed focus |
| 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 (GX550LXS) | Lenovo IdeaPad S145-15API (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 | - |
| Compliant Standards | Wi-Fi CERTIFIED 6 | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 30 Wh |
| Battery Life | - | Up to 4 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Type | Keyboard, touchpad, NumberPad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | - |
| Features | Chiclet keyboard, per-key RGB | Multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (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/microphone combo jack 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 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home in S mode - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15API (Lenovo IdeaPad S145) |
|---|
| Included Accessories | Power adapter | Wall mount power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Features | System password, ASUS Aura Sync technology, Active Aerodynamic System (AAS), 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 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | HC029R | 15API 81UT |
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