ASUS ROG Zephyrus G15 (GA503RM) vs. ASUS ROG Zephyrus M15 (GU502LW)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RM) and ASUS ROG Zephyrus M15 (GU502LW). 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 (GA503RM) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503RM) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

lightweight, portable design

efficient cooling system

good battery life

high price point

no webcam included

limited port selection

average speaker quality

ASUS ROG Zephyrus M15 (GU502LW) Review

Advantages and disadvantages of ASUS ROG Zephyrus M15 (GU502LW) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high-refresh-rate display

sleek, portable design

good thermal management

RGB keyboard lighting

average battery life

no webcam

limited port selection

premium price tag

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA503RM) and ASUS ROG Zephyrus M15 (GU502LW)
82 % - Design
82 % - Display
86 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA503RM) vs. ASUS ROG Zephyrus M15 (GU502LW) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.5 cm x 24.3 cm x 1.99 cm 36 cm x 25.2 cm x 1.99 cm
Weight 1.9 kg 1.9 kg
Case Material - Magnesium alloy
Colour Moonlight white Prism black | Brushed black
DISPLAY ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 2560 x 1440 (WQHD) 3840 x 2160 (Ultra HD 4K)
V-Sync Rate at Max Res. 165 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 400 cd/m²
Colour Gamut 100% DCI-P3 100% sRGB, 132.7% sRGB, 95.54% NTSC
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, Pantone Validated, 170° horizontal and vertical viewing angle
PROCESSOR ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
CPU AMD Ryzen 9 6900HS / 3.3 GHz Intel Core i7 (10th Gen) 10750H / 2.6 GHz
Max Turbo Speed 4.9 GHz 5 GHz
Number of Cores 8-core 6-core
Cache L3 - 16 MB 12 MB
64-bit Computing - Yes
Chipset - Intel HM470
Features - Intel Smart Cache, Intel Turbo Boost Max Technology 3.0
MEMORY ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
RAM 16 GB (1 x 8 GB + 8 GB (soldered)) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 40 GB 24 GB
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 2933 MHz
Rated Speed - 2933 MHz
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Total Capacity - 1.024 TB
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 2 x 512 GB SSD M.2 PCIe - NVM Express (NVMe)
RAID Level - RAID 0
AUDIO & VIDEO ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3060 / AMD Radeon 680M NVIDIA GeForce RTX 2070 / Intel UHD Graphics
Video Memory 8 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost NVIDIA Optimus, Max-Q design
Gaming Yes Yes
Camera Yes - 720p -
Camera Features IR camera, Windows Hello -
Sound Two tweeters, two woofers, array microphone Stereo speakers, array microphone
Compliant Standards Dolby Atmos -
Audio Features Noise-cancellation technology, Smart Amp ESS SABRE HiFi audio DAC technology, Smart Amplification technology
VR Ready - Yes
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Network Interface Gigabit Ethernet Gigabit Ethernet
Compliant Standards - Wi-Fi CERTIFIED 6
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Technology 4-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 90 Wh 76 Wh
Battery Life - Up to 8.41 hours
Battery Run Time - Video playback: up to 8.41 hours
Web browsing: up to 7.47 hours
AC ADAPTER ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 230 Watt, 19.5 V, 11.8 A
INPUT ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes (RGB)
Features Chiclet keyboard Chiclet keyboard, N-key rollover
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
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
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1
USB 3.2 Gen 2
HDMI
LAN
Headphone output
Microphone input
Memory Card Reader Yes (microSD, microSDXC UHS-II) -
SOFTWARE ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Operating System (OS) Windows 11 Home Windows 10 Home
Software Included - Microsoft 365 (30 days trial), Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA503RM) ASUS ROG Zephyrus M15 (GU502LW)
Included Accessories Power adapter Power adapter
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 System password, ErgoLift System password, ASUS Aura Sync technology, 65W power delivery
SAR Value - 0.47 W/kg (body), 0.47 W/kg (limb)
Model Number HQ007W HC032T
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