Detailed comparison and review of ASUS 15 (X509UA) and ASUS ROG Zephyrus Duo 15 (GX550LXS). 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.
Advantages and disadvantages of ASUS 15 (X509UA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
lightweight design
solid build quality
adequate performance level
good connectivity options
average display quality
limited storage capacity
modest battery life
no backlit keyboard
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
| DESIGN AND DIMENSIONS | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 2.29 cm | 36 cm x 26.8 cm x 2 cm |
| Weight | 1.9 kg | 2.48 kg |
| Colour | Slate grey | Gunmetal gray |
| DISPLAY | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB, 132.7% sRGB, 95.54% NTSC |
| Features | Anti-glare | Anti-glare, NVIDIA G-SYNC compatible, Pantone Validated |
| PROCESSOR | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i9 (10th Gen) 10980HK / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | - | 5.3 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 3 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | - | Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| RAM | 4 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Total Capacity | - | 2 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 2 x 1 TB SSD M.2 PCIe - NVM Express (NVMe), HyperDrive RAID 0 |
| RAID Level | - | RAID 0 |
| AUDIO & VIDEO | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | NVIDIA GeForce RTX 2080 SUPER / Intel UHD Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, Max-Q design |
| Gaming | - | Yes |
| Camera | Yes - VGA | - |
| Sound | Speaker, microphone | Stereo speakers, array microphone |
| Audio Features | ASUS SonicMaster | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| Compliant Standards | - | Wi-Fi CERTIFIED 6 |
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 90 Wh |
| AC ADAPTER | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 240 Watt, 20 V, 12 A |
| INPUT | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 HDMI USB-C 3.1 Gen 1 |
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 |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro |
|---|
| MISCELLANEOUS | ASUS 15 (X509UA) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Features | System password | System password, ASUS Aura Sync technology, Active Aerodynamic System (AAS), 65W power delivery |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | - |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | 0.028 W/kg (body), 0.028 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Model Number | EJ064T | HC029R |
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