Side by side comparison and review of ASUS 15 (X509JA) and ASUS ROG Zephyrus Duo 15 (GX550LWS). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of ASUS 15 (X509JA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate connectivity options
crisp full HD display
average battery life
moderate performance
no backlit keyboard
limited graphics power
Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 (GX550LWS) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-refresh-rate display
premium build quality
effective cooling system
high price point
short battery life
heavy and bulky
limited port selection
| DESIGN AND DIMENSIONS | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| 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 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| 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. | - | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB, 72% NTSC, 75.35% Adobe RGB |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut |
| PROCESSOR | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 5.1 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 4 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| RAM | 4 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 8 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2933 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA Optimus, Max-Q design |
| Gaming | - | Yes |
| Camera | Yes - VGA | - |
| Sound | Stereo speakers, microphone | Stereo speakers, array microphone |
| Audio Features | ASUS Bang & Olufsen ICEpower | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| BATTERY | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 90 Wh |
| AC ADAPTER | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| 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 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display |
| CONNECTIONS & EXPANSIONS | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 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 output Microphone input |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft 365 (30 days trial), MyASUS | - |
| MISCELLANEOUS | ASUS 15 (X509JA) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Features | System password | System password, 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 | EJ025T | HF055T |
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