ASUS A509JA (EJ079T) vs. ASUS ROG Zephyrus Duo 15 SE (GX551QR)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS A509JA (EJ079T) and ASUS ROG Zephyrus Duo 15 SE (GX551QR). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

ASUS A509JA (EJ079T) Review

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

ASUS ROG Zephyrus Duo 15 SE (GX551QR) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QR) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high refresh rate display

ample connectivity options

premium build quality

high price point

short battery life

heavy and bulky

loud under load

Laptop Comparison and Tests

Difference between ASUS A509JA (EJ079T) and ASUS ROG Zephyrus Duo 15 SE (GX551QR)
75 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

ASUS A509JA (EJ079T) vs. ASUS ROG Zephyrus Duo 15 SE (GX551QR) Comparison Chart
DESIGN AND DIMENSIONS ASUS A509JA (EJ079T) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
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
Case Material - Metal
Colour Transparent silver -
DISPLAY ASUS A509JA (EJ079T) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 300 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 200 cd/m² -
Colour Gamut 45% NTSC 100% sRGB, 75.35% Adobe RGB
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 (GX551QR)
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 (GX551QR)
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 - 3200 MHz
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 (GX551QR)
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 (GX551QR)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Plus Graphics NVIDIA GeForce RTX 3070 / AMD Radeon Vega
Video Memory - 8 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 (GX551QR)
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 (GX551QR)
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 (GX551QR)
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 (GX551QR)
Type Keyboard, touchpad Keyboard, touchpad, NumberPad
Keyboard Backlight - Yes (RGB)
Features Chiclet keyboard Chiclet keyboard, per-key RGB, 1.4mm travel distance
CONNECTIONS & EXPANSIONS ASUS A509JA (EJ079T) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
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
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE ASUS A509JA (EJ079T) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Home
MISCELLANEOUS ASUS A509JA (EJ079T) ASUS ROG Zephyrus Duo 15 SE (GX551QR)
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 - HF087T
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