Detailed comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LXS) 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.
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 (GX550LXS) | 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 (GX550LXS) | 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. | 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 S145-15AST (Lenovo IdeaPad S145) |
|---|
| CPU | Intel Core i9 (10th Gen) 10980HK / 2.4 GHz | AMD A9 9425 / 3.1 GHz |
|---|---|---|
| Max Turbo Speed | 5.3 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 | Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 15 (GX550LXS) | 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 | 3200 MHz | 2133 MHz |
| Rated Speed | - | 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 (GX550LXS) | Lenovo IdeaPad S145-15AST (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 2.5" (7 mm) SATA 6Gb/s |
| RAID Level | RAID 0 | - |
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 (GX550LXS) | Lenovo IdeaPad S145-15AST (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 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 (GX550LXS) | 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 | - |
| Compliant Standards | Wi-Fi CERTIFIED 6 | - |
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS ROG Zephyrus Duo 15 (GX550LXS) | 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 (GX550LXS) | 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 (GX550LXS) | Lenovo IdeaPad S145-15AST (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 S145-15AST (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/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 S145-15AST (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 S145-15AST (Lenovo IdeaPad S145) |
|---|
| Included Accessories | Power adapter | 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 |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | HC029R | 15AST 81N3 |
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