ASUS ROG Zephyrus G14 (GA402XY) vs. ASUS R521JA (EJ974T)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of ASUS ROG Zephyrus G14 (GA402XY) and ASUS R521JA (EJ974T). 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 G14 (GA402XY) Review

Advantages and disadvantages of ASUS ROG Zephyrus G14 (GA402XY) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful amd processor

compact lightweight design

high-resolution display

efficient cooling system

good battery life

limited port selection

no webcam included

higher price point

average speaker quality

ASUS R521JA (EJ974T) Review

Advantages and disadvantages of ASUS R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

lightweight design

decent battery life

adequate performance

average display quality

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G14 (GA402XY) and ASUS R521JA (EJ974T)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
78 % - Design
72 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G14 (GA402XY) vs. ASUS R521JA (EJ974T) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 31.2 cm x 22.7 cm x 2.05 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.72 kg 1.9 kg
Colour Eclipse grey Transparent silver
DISPLAY ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Screen Size (Type) 14" 15.6"
Screen Resolution 2560 x 1600 (WQXGA) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 165 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 500 cd/m² 200 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-glare, NVIDIA G-SYNC compatible, HDR (high dynamic range), 3 ms response rate, Pantone Validated, IPS-level, Dolby Vision, 91% screen-to-body ratio Anti-glare, 83% screen-to-body ratio
PROCESSOR ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
CPU AMD Ryzen 9 7940HS Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 5.2 GHz 3.6 GHz
Number of Cores 8-core Quad-Core
Cache L3 - 16 MB 6 MB
MEMORY ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
RAM 32 GB (1 x 16 GB + 16 GB (soldered)) 4 GB (provided memory is soldered)
Max RAM Supported 32 GB -
RAM Type DDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 4800 MHz -
Form Factor SO-DIMM 262-pin -
STORAGE ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 4090 / AMD Radeon 780M Intel UHD Graphics
Video Memory 16 GB GDDR6 SDRAM -
Video System Features ROG Boost, Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus -
Gaming Yes -
Camera Yes - 1080p Yes - VGA
Camera Features IR camera, Windows Hello -
Sound Four speakers, 3-microphone array Speaker, microphone
Compliant Standards Dolby Atmos -
Audio Features Output: Smart Amplification technology, Hi-Res Audio; Input: AI noise cancelling Output: ASUS SonicMaster
COMMUNICATIONS ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Wireless 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 802.11a/b/g/n/ac, Bluetooth 4.1
Features Dual stream (2x2) Single stream (1x1)
BATTERY ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Technology 4-cell Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 76 Wh 32 Wh
AC ADAPTER ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
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 G14 (GA402XY) ASUS R521JA (EJ974T)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Chiclet keyboard, 1 RGB zone, ASUS Overstroke technology Chiclet keyboard
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Interfaces Headphone/microphone combo jack
HDMI 2.1
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
USB4/DisplayPort (Power Delivery)
USB 3.2 Gen 1
USB-C 3.2 Gen 1
2 x USB 2.0
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSDXC UHS-II) Yes (microSD)
SOFTWARE ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Operating System (OS) Windows 11 Home Windows 10 Home
Software Included Xbox Game Pass Ultimate (3 months) -
MISCELLANEOUS ASUS ROG Zephyrus G14 (GA402XY) ASUS R521JA (EJ974T)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, ASUS Aura Sync technology, ErgoLift, BIOS protection, AniMe Matrix lighting, ROG Intelligent Cooling, ROG Nebula HDR Display -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number NC005W -
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