ASUS 15 (X509JA) vs. ASUS ROG Zephyrus Duo 15 (GX550LXS)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS 15 (X509JA) and ASUS ROG Zephyrus Duo 15 (GX550LXS). 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.

ASUS 15 (X509JA) Review

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

ASUS ROG Zephyrus Duo 15 (GX550LXS) Review

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

Laptop Comparison and Tests

Difference between ASUS 15 (X509JA) and ASUS ROG Zephyrus Duo 15 (GX550LXS)
74 % - Design
63 % - Display
65 % - Performance
75 % - Connectivity
65 % - Battery
82 % - Design
85 % - Display
90 % - Performance
85 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

ASUS 15 (X509JA) vs. ASUS ROG Zephyrus Duo 15 (GX550LXS) Comparison Chart
DESIGN AND DIMENSIONS ASUS 15 (X509JA) 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 (X509JA) 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 ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display Anti-glare, NVIDIA G-SYNC compatible, Pantone Validated
PROCESSOR ASUS 15 (X509JA) ASUS ROG Zephyrus Duo 15 (GX550LXS)
CPU Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz Intel Core i9 (10th Gen) 10980HK / 2.4 GHz
Max Turbo Speed 3.4 GHz 5.3 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 Intel Turbo Boost Max Technology 3.0
MEMORY ASUS 15 (X509JA) 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 8 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
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 (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 (X509JA) ASUS ROG Zephyrus Duo 15 (GX550LXS)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics 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 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 (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 (X509JA) 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 (X509JA) 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 (X509JA) 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 (X509JA) ASUS ROG Zephyrus Duo 15 (GX550LXS)
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/microphone combo jack
Microphone input
Memory Card Reader Yes (microSD, microSDHC, microSDXC) -
SOFTWARE ASUS 15 (X509JA) ASUS ROG Zephyrus Duo 15 (GX550LXS)
Operating System (OS) Windows 10 Home Windows 10 Pro
Software Included Microsoft 365 (30 days trial), MyASUS -
MISCELLANEOUS ASUS 15 (X509JA) 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 EJ025T HC029R
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