ASUS ROG Zephyrus G15 (GA503RX) vs. Samsung Galaxy Book3 Ultra

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RX) and Samsung Galaxy Book3 Ultra. 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

Samsung Galaxy Book3 Ultra Review

Advantages and disadvantages of Samsung Galaxy Book3 Ultra based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

powerful processor performance

lightweight design

ample storage capacity

advanced graphics capabilities

higher price point

limited port selection

average battery life

noisy under load

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA503RX) and Samsung Galaxy Book3 Ultra
81 % - Design
84 % - Display
87 % - Performance
86 % - Connectivity
85 % - Battery
82 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA503RX) vs. Samsung Galaxy Book3 Ultra Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Product Type Notebook Notebook
Dimensions (WxDxH) 35.5 cm x 24.3 cm x 1.99 cm 35.54 cm x 25.04 cm x 1.65 cm
Weight 1.9 kg 1.79 kg
Case Material - Aluminum
Colour Moonlight white Graphite
DISPLAY ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Screen Size (Type) 15.6" 16" - AMOLED
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1440 (WQHD) 2880 x 1800 (WQXGA+)
Pixel Density (ppi) - 212
V-Sync Rate at Max Res. 240 Hz 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness - 500 cd/m²
Colour Gamut 100% DCI-P3 120% DCI-P3
Colour Support - 16 million colours
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level HDR 500 True Black, 0.2 ms response rate, Eye Caring, gaming performance
PROCESSOR ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
CPU AMD Ryzen 9 6900HS / 3.3 GHz Intel Core i7 (13th Gen) 13700H / 2.4 GHz
Max Turbo Speed 4.9 GHz 5 GHz
Number of Cores 8-core 14-core
Cache L3 - 16 MB L3 - 24 MB
Platform Technology - Intel Evo
Features - Intel Deep Learning Boost (DL Boost)
MEMORY ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
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 LPDDR5 SDRAM
Speed 4800 MHz 6000 MHz
Form Factor SO-DIMM 262-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3080 Ti / AMD Radeon 680M NVIDIA GeForce RTX 4050
Video Memory 16 GB GDDR6 SDRAM -
Video System Features NVIDIA Optimus, ROG Boost, Dynamic Boost -
Gaming Yes -
Camera Yes - 720p Yes - 1080p
Camera Features IR camera, Windows Hello Auto framing
Sound Two tweeters, two woofers, array microphone AKG stereo speakers, dual array microphone
Compliant Standards Dolby Atmos Dolby Atmos
Audio Features Noise-cancellation technology, Smart Amp Output: Smart Amp
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Technology 4-cell Lithium Ion -
Battery Capacity (Size) 90 Wh 76 Wh
AC ADAPTER ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Input AC 100-240 V (50/60 Hz) -
Output 240 Watt, 20 V, 12 A 100 Watt
INPUT ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Type Keyboard, touchpad Keyboard, ClickPad
Keyboard Name - Pro keyboard
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard Backlit
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Slots - SSD (1 free)
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
USB 3.2
Headphone/microphone combo jack
2 x Thunderbolt 4
Memory Card Reader Yes (microSD, microSDXC UHS-II) Yes (microSD)
SOFTWARE ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Operating System (OS) Windows 11 Home Windows 11 Home
Software Included - Samsung Recovery Solution, Samsung Update, Samsung Settings, Samsung Gallery, Studio Plus, Samsung Flow, Live Wallpaper, Quick Search, Samsung Notes, Screen Recorder, Galaxy Book Smart Switch, Quick Share, Samsung Pass, Second Screen, Private Share, Galaxy Book Experience
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA503RX) Samsung Galaxy Book3 Ultra
Included Accessories Power adapter 100W USB-C power adapter
Integrated Options - Ambient light sensor
Security - Trusted Platform Module (TPM) Security Chip, fingerprint reader
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features System password, ErgoLift -
Compliant Standards - IEC 61960
SAR Value - 0.232 W/kg (limb), 0.232 W/kg (body)
Manufacturer Warranty - Limited warranty - 2 years
Model Number LN006W -
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