ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS ROG Zephyrus M16 (GU603ZU)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus G15 (GA503RX) and ASUS ROG Zephyrus M16 (GU603ZU). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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 ROG Zephyrus M16 (GU603ZU) Review

Advantages and disadvantages of ASUS ROG Zephyrus M16 (GU603ZU) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

powerful graphics performance

sleek, lightweight design

fast processing speeds

advanced cooling system

high price point

average battery life

limited port selection

noisy under load

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA503RX) and ASUS ROG Zephyrus M16 (GU603ZU)
81 % - Design
84 % - Display
87 % - Performance
86 % - Connectivity
85 % - Battery
81 % - Design
87 % - Display
84 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS ROG Zephyrus M16 (GU603ZU) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.5 cm x 24.3 cm x 1.99 cm 35.5 cm x 24.3 cm x 2.23 cm
Weight 1.9 kg 2 kg
Colour Moonlight white Eclipse grey
DISPLAY ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
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 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 250 cd/m²
Colour Gamut 100% DCI-P3 100% sRGB
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, Adaptive-Sync technology, HDR (high dynamic range), 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, Pantone Validated, IPS-level, Dolby Vision
PROCESSOR ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
CPU AMD Ryzen 9 6900HS / 3.3 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.9 GHz 4.7 GHz
Number of Cores 8-core 14-core
Cache L3 - 16 MB 24 MB
Features - Intel Smart Cache
MEMORY ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 16 GB (provided memory is soldered)
Max RAM Supported 48 GB -
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Form Factor SO-DIMM 262-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M NVIDIA GeForce RTX 4050 / Intel Iris Xe Graphics
Video Memory 16 GB GDDR6 SDRAM 6 GB GDDR6 SDRAM
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost NVIDIA Optimus, ROG Boost, Dynamic Boost, MUX Switch
Gaming Yes Yes
Camera Yes - 720p Yes - 720p
Camera Features IR camera, Windows Hello IR camera, Windows Hello
Sound Two tweeters, two woofers, array microphone Two tweeters, two woofers, array microphone
Compliant Standards Dolby Atmos Dolby Atmos
Audio Features Noise-cancellation technology, Smart Amp Output: Smart Amplification technology; Input: AI noise cancelling
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Technology 4-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 90 Wh 90 Wh
AC ADAPTER ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 240 Watt, 20 V, 12 A
INPUT ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard Chiclet keyboard, 1 RGB zone
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
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
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDXC UHS-II) Yes (microSD, microSDXC UHS-II)
SOFTWARE ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Operating System (OS) Windows 11 Home Windows 11 Home
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA503RX) ASUS ROG Zephyrus M16 (GU603ZU)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM) Security Chip
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, ErgoLift
Model Number LN006W N3003W
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