Side by side comparison and review of ASUS R521JA (EJ974T) and ASUS VivoBook 15 OLED (X1505ZA). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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
Advantages and disadvantages of ASUS VivoBook 15 OLED (X1505ZA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
lightweight design
competitive pricing
solid build quality
decent processor performance
average battery life
limited upgradeability
modest graphics card
no thunderbolt support
| DESIGN AND DIMENSIONS | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 35.68 cm x 22.76 cm x 1.99 cm |
| Weight | 1.9 kg | 1.7 kg |
| Colour | Transparent silver | Transparent silver |
| DISPLAY | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Screen Size (Type) | 15.6" | 15.6" OLED |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Colour Support | - | 1.07 billion colours |
| Features | Anti-glare, 83% screen-to-body ratio | Glossy, HDR (high dynamic range), 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black |
| PROCESSOR | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.4 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | L3 - 12 MB |
| Features | - | Intel Smart Cache |
| MEMORY | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - VGA | Yes - 720p |
| Camera Features | - | Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology |
| Sound | Speaker, microphone | Dual speakers, array microphone |
| Audio Features | Output: ASUS SonicMaster | Input: AI noise cancelling |
| COMMUNICATIONS | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 50 Wh |
| AC ADAPTER | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt, 19 V, 3.42 A |
| INPUT | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Precision touchpad, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Interfaces | USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
Headphone/microphone combo jack 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI 1.4 USB 2.0 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Operating System (OS) | Windows 10 Home | - |
|---|---|---|
| Software Included | - | MyASUS, ScreenXpert, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | ASUS R521JA (EJ974T) | ASUS VivoBook 15 OLED (X1505ZA) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | - | MIL-STD-810H tested, BIOS protection, IceBlades fan, ASUS Antimicrobial Guard |
| Compliant Standards | - | RoHS, REACH, Energy Star 8.0 |
| Model Number | - | L1204W |
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