Detailed comparison and review of ASUS A509JA (EJ079T) and ASUS ROG Zephyrus Duo 15 SE (GX551QS). 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 SE (GX551QS) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-quality build
excellent cooling system
vivid display resolution
high price point
short battery life
heavy and bulky
limited port selection
| DESIGN AND DIMENSIONS | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 36 cm x 26.8 cm x 2.09 cm |
| Weight | 1.9 kg | 2.48 kg |
| Colour | Transparent silver | - |
| DISPLAY | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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. | - | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | - |
| Colour Gamut | 45% NTSC | 100% Adobe RGB, 132.7% sRGB |
| Features | Anti-glare | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| MEMORY | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Graphics Processor (GPU) | Intel Iris Plus Graphics | NVIDIA GeForce RTX 3080 |
|---|---|---|
| Video Memory | - | 16 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes | - |
| Sound | Speaker, microphone | Stereo speakers, two tweeters, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower | Smart Amp |
| COMMUNICATIONS | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 SE (GX551QS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 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 SE (GX551QS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | - | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.2 Gen 2 HDMI LAN |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro |
|---|
| MISCELLANEOUS | ASUS A509JA (EJ079T) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Included Accessories | Power adapter | Power adapter, palm rest, ROG X DL2 thank you card |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Features | System password, hard drive password | System password, ASUS Aura Sync technology |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | - |
| Model Number | - | HB185R |
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