In depth comparison and review of ASUS X515JA (EJ3921W) and ASUS ROG Zephyrus Duo 16 (GX650PZ). 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.
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
Advantages and disadvantages of ASUS ROG Zephyrus Duo 16 (GX650PZ) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-resolution main display
ample connectivity options
effective cooling system
high price point
short battery life
heavy and bulky
complex for casual users
| DESIGN AND DIMENSIONS | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 1.99 cm | 35.5 cm x 26.6 cm x 2.97 cm |
| Weight | 1.8 kg | 2.67 kg |
| Case Material | Plastic | - |
| Colour | Slate grey | Off black |
| DISPLAY | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Screen Size (Type) | 15.6" | 16" |
|---|---|---|
| LCD Backlight Technology | - | Mini LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 60 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 200 cd/m² | - |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | Anti-glare, 83% screen-to-body ratio | Anti-glare, NVIDIA G-SYNC compatible, HDR (high dynamic range), 3 ms response rate, FreeSync Premium Pro Technology, Dolby Vision |
| PROCESSOR | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | AMD Ryzen 9 7945HX / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 5.4 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | 6 MB | 64 MB |
| Features | Intel Smart Cache | - |
| MEMORY | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | - | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 0 |
| STORAGE | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Raid 0 configuration, Performance |
|---|
| AUDIO & VIDEO | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 4080 / AMD Radeon 610M |
| Video Memory | - | 12 GB GDDR6 SDRAM |
| Video System Features | - | ROG Boost, Dynamic Boost, MUX Switch |
| Gaming | - | Yes |
| Camera | Yes - VGA | Yes - 1080p |
| Camera Features | - | 30 frames per second |
| Sound | Speakers, microphone | Six speakers, 3-microphone array |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | Output: ASUS SonicMaster | Output: Smart Amplification technology, Hi-Res Audio; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Network Interface | - | 2.5 Gigabit Ethernet |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 90 Wh |
| AC ADAPTER | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 330 Watt, 19.5 V, 16.9 A |
| INPUT | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes (RGB) |
| Features | Chiclet keyboard, 1.4mm travel distance | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 Gen 1 |
Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) |
|---|
| SOFTWARE | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Operating System (OS) | Windows 11 Home in S mode | Windows 11 Home |
|---|
| MISCELLANEOUS | ASUS X515JA (EJ3921W) | ASUS ROG Zephyrus Duo 16 (GX650PZ) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) solution | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | System password | System password, fingerprint-resistant coating, illuminated ROG logo, fast charging, ASUS Aura Sync technology, BIOS protection, Arc Flow Fans, AAS Plus 2.0 intake airflow |
| Model Number | - | NM030W |
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