ASUS ROG Zephyrus G15 (GA502IU) vs. ASUS ROG Zephyrus G15 (GA503QR)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ROG Zephyrus G15 (GA502IU) and ASUS ROG Zephyrus G15 (GA503QR). 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 ROG Zephyrus G15 (GA502IU) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA502IU) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful AMD processor

high refresh rate screen

lightweight and portable

solid battery life

effective cooling system

mediocre webcam quality

no Thunderbolt support

limited storage capacity

average color accuracy

ASUS ROG Zephyrus G15 (GA503QR) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503QR) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

lightweight, portable design

long battery life

efficient cooling system

high price point

no webcam included

limited port selection

average speaker quality

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA502IU) and ASUS ROG Zephyrus G15 (GA503QR)
86 % - Design
85 % - Display
85 % - Performance
78 % - Connectivity
75 % - Battery
81 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA502IU) vs. ASUS ROG Zephyrus G15 (GA503QR) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 25.2 cm x 1.99 cm 35.5 cm x 24.3 cm x 1.99 cm
Weight 2.1 kg 1.9 kg
Colour - Eclipse grey
DISPLAY ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1440 (WQHD)
V-Sync Rate at Max Res. 144 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 300 cd/m²
Colour Gamut 47.34% Adobe RGB, 62.5% sRGB -
Features Anti-glare Anti-glare, 3 ms response rate, Pantone Validated
PROCESSOR ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
CPU AMD Ryzen 7 4800HS / 2.9 GHz AMD Ryzen 9 5900HS / 3 GHz
Max Turbo Speed 4.2 GHz 4.6 GHz
Number of Cores 8-core -
Cache L3 - 8 MB 16 MB
64-bit Computing Yes Yes
MEMORY ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
RAM 16 GB (1 x 8 GB + 8 GB (soldered)) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported - 24 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 0
STORAGE ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
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 ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce GTX 1660 Ti / AMD Radeon Vega Graphics NVIDIA GeForce RTX 3070 / AMD Radeon Graphics
Video Memory 6 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features Max-Q design NVIDIA Optimus, Max-Q design
Gaming Yes Yes
Sound Stereo speakers, array microphone Stereo speakers, two tweeters, array microphone
Compliant Standards - Dolby Atmos
Audio Features Smart Amplification technology Smart Amplification technology
VR Ready Yes -
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Technology 4-cell Lithium Ion 4-cell lithium polymer
Battery Capacity (Size) 76 Wh 90 Wh
AC ADAPTER ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 20 V, 9 A 200 Watt, 20 V, 10 A
INPUT ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Chiclet keyboard, ASUS Overstroke technologie, N-key rollover Chiclet keyboard
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Interfaces Headphone/microphone combo jack
3 x USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
LAN
HDMI
Headphone/microphone combo jack
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
LAN
HDMI
SOFTWARE ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Operating System (OS) Windows 10 Home Windows 10 Home
Software Included Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI -
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA502IU) ASUS ROG Zephyrus G15 (GA503QR)
Included Accessories Power adapter Power adapter
Security - Fingerprint reader
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features 65W power delivery System password
SAR Value 0.014 W/kg (body), 0.014 W/kg (limb) -
Model Number AL014T HQ008T
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