ASUS ROG Zephyrus S GX502GW vs. ASUS X515JA (EJ3921W)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus S GX502GW 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 S GX502GW Review

Advantages and disadvantages of ASUS ROG Zephyrus S GX502GW based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

slim, portable design

144Hz refresh rate display

effective cooling system

RGB keyboard lighting

average battery life

limited storage capacity

no webcam

high price point

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 S GX502GW and ASUS X515JA (EJ3921W)
86 % - Design
85 % - Display
87 % - Performance
84 % - Connectivity
75 % - Battery
74 % - Design
65 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus S GX502GW vs. ASUS X515JA (EJ3921W) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 25.2 cm x 1.89 cm 36.02 cm x 23.49 cm x 1.99 cm
Weight 2 kg 1.8 kg
Case Material - Plastic
Colour Black Slate grey
DISPLAY ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 144 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 200 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features NVIDIA G-SYNC compatible, 3 ms response rate Anti-glare, 83% screen-to-body ratio
PROCESSOR ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.5 GHz 3.6 GHz
Number of Cores 6-core Quad-Core
Cache 12 MB 6 MB
64-bit Computing Yes -
Chipset Mobile Intel HM370 -
Features Intel Turbo Boost Technology 2.0 Intel Smart Cache
MEMORY ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 32 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Graphics Processor (GPU) NVIDIA GeForce RTX 2070 Intel UHD Graphics
Video Memory 8 GB GDDR6 SDRAM -
Gaming Yes -
Camera - Yes - VGA
Sound Stereo speakers, array microphone Speakers, microphone
Audio Features ESS SABRE HiFi audio DAC technology, Smart Amplification technology Output: ASUS SonicMaster
COMMUNICATIONS ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.1
Network Interface Gigabit Ethernet -
Features - Single stream (1x1)
BATTERY ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Technology 4-cell Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 76 Wh 37 Wh
AC ADAPTER ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 230 Watt, 19.5 V, 11.8 A 45 Watt, 19 V, 2.37 A
INPUT ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) -
Features Chiclet keyboard, ASUS Aura Sync RGB LED, N-key rollover, per-key RGB Chiclet keyboard, 1.4mm travel distance
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Interfaces Headphone output
Microphone input
USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1
LAN
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1
2 x USB 2.0
HDMI
USB-C 3.2 Gen 1
SOFTWARE ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Operating System (OS) Windows 10 Home Windows 11 Home in S mode
MISCELLANEOUS ASUS ROG Zephyrus S GX502GW ASUS X515JA (EJ3921W)
Included Accessories Power adapter, web camera 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
SAR Value 0.28 W/kg (body), 0.28 W/kg (limb) -
Model Number ES019T -
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