ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS X515JA (EJ3921W)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus G15 (GA503RX) and ASUS X515JA (EJ3921W). 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 X515JA (EJ3921W) Review

Advantages and disadvantages of ASUS X515JA (EJ3921W) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

lightweight design

adequate performance

good connectivity options

average battery life

modest display resolution

limited upgrade options

integrated graphics only

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA503RX) and ASUS X515JA (EJ3921W)
81 % - Design
84 % - Display
87 % - Performance
86 % - Connectivity
85 % - Battery
74 % - Design
65 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA503RX) vs. ASUS X515JA (EJ3921W) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.5 cm x 24.3 cm x 1.99 cm 36.02 cm x 23.49 cm x 1.99 cm
Weight 1.9 kg 1.8 kg
Case Material - Plastic
Colour Moonlight white Slate grey
DISPLAY ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1440 (WQHD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 240 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 200 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level Anti-glare, 83% screen-to-body ratio
PROCESSOR ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
CPU AMD Ryzen 9 6900HS / 3.3 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.9 GHz 3.6 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 6 MB
Features - Intel Smart Cache
MEMORY ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
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 X515JA (EJ3921W)
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 X515JA (EJ3921W)
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 - VGA
Camera Features IR camera, Windows Hello -
Sound Two tweeters, two woofers, array microphone Speakers, microphone
Compliant Standards Dolby Atmos -
Audio Features Noise-cancellation technology, Smart Amp Output: ASUS SonicMaster
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.1
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) Single stream (1x1)
BATTERY ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Technology 4-cell Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 90 Wh 37 Wh
AC ADAPTER ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 240 Watt, 20 V, 12 A 45 Watt, 19 V, 2.37 A
INPUT ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) -
Features Chiclet keyboard Chiclet keyboard, 1.4mm travel distance
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
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
Headphone/microphone combo jack
USB 3.2 Gen 1
2 x USB 2.0
HDMI
USB-C 3.2 Gen 1
Memory Card Reader Yes (microSD, microSDXC UHS-II) -
SOFTWARE ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Operating System (OS) Windows 11 Home Windows 11 Home in S mode
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA503RX) ASUS X515JA (EJ3921W)
Included Accessories Power adapter Power adapter
Security - Firmware Trusted Platform Module (TPM) solution
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
Model Number LN006W -
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