Detailed comparison and review of ASUS A509JA (EJ079T) and ASUS ROG Zephyrus Duo 15 (GX550LWS). 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 A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive touchpad
crisp full hd display
adequate connectivity options
competitive pricing
average battery life
modest graphics performance
no backlit keyboard
limited upgradeability
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 A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 36 cm x 26.8 cm x 2 cm |
| Weight | 1.9 kg | 2.48 kg |
| Colour | Transparent silver | Gunmetal gray |
| DISPLAY | ASUS A509JA (EJ079T) | 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 | Anti-glare | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut |
| PROCESSOR | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | - | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2933 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Plus 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 | - |
| Sound | Speaker, microphone | Stereo speakers, array microphone |
| Audio Features | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS A509JA (EJ079T) | 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 A509JA (EJ079T) | 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 A509JA (EJ079T) | 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 A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| 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 A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
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) | - |
| SOFTWARE | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Features | System password, hard drive password | System password, 65W power delivery |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | 0.028 W/kg (body), 0.028 W/kg (limb) |
| Model Number | - | HF055T |
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