ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS VivoBook 16X (X1603ZA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RX) and ASUS VivoBook 16X (X1603ZA). 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 ROG Zephyrus G15 (GA503RX) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503RX) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

lightweight, portable design

excellent thermal management

long battery life

high price point

no webcam included

limited port selection

average speaker quality

ASUS VivoBook 16X (X1603ZA) Review

Advantages and disadvantages of ASUS VivoBook 16X (X1603ZA) based on its technical characteristics, features, user experience, expert reviews and price level.

impressive battery life

lightweight design

affordable price point

sharp display quality

fast charging support

moderate storage capacity

average speaker quality

no dedicated GPU

limited color options

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA503RX) and ASUS VivoBook 16X (X1603ZA)
81 % - Design
84 % - Display
87 % - Performance
86 % - Connectivity
85 % - Battery
86 % - Design
75 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS VivoBook 16X (X1603ZA) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.5 cm x 24.3 cm x 1.99 cm 35.86 cm x 24.95 cm x 1.99 cm
Weight 1.9 kg 1.88 kg
Colour Moonlight white Silver
DISPLAY ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Screen Size (Type) 15.6" 16"
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1440 (WQHD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 240 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 300 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, 86% screen-to-body ratio, IPS-level
PROCESSOR ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
CPU AMD Ryzen 9 6900HS / 3.3 GHz Intel Core i3 (12th Gen) 1220P / 1.1 GHz
Max Turbo Speed 4.9 GHz 4.4 GHz
Number of Cores 8-core 10-core
Cache L3 - 16 MB 12 MB
Features - Intel Smart Cache
MEMORY ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 8 GB (provided memory is soldered)
Max RAM Supported 48 GB 16 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M Intel UHD Graphics
Video Memory 16 GB GDDR6 SDRAM -
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost -
Gaming Yes -
Camera Yes - 720p Yes - 720p
Camera Features IR camera, Windows Hello Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology
Sound Two tweeters, two woofers, array microphone Dual speakers, microphone
Compliant Standards Dolby Atmos -
Audio Features Noise-cancellation technology, Smart Amp Output: ASUS SonicMaster; Input: AI noise cancelling
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.3
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Technology 4-cell Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 90 Wh 50 Wh
AC ADAPTER ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 19 V
INPUT ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) -
Features Chiclet keyboard Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Interfaces Headphone/microphone combo jack
2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 2
HDMI
LAN
HDMI 1.4
Headphone/microphone combo jack
USB 2.0
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1
Memory Card Reader Yes (microSD, microSDXC UHS-II) -
SOFTWARE ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Operating System (OS) Windows 11 Home Windows 11 Home
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA503RX) ASUS VivoBook 16X (X1603ZA)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features System password, ErgoLift ASUS IceCool design, MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard
Compliant Standards - RoHS, REACH, TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Software Solution), Energy Star 8.0
Model Number LN006W MB157W
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