In depth comparison and review of ASUS VivoBook Pro 15 OLED (K3500PA) and ASUS R521JA (EJ974T). 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 VivoBook Pro 15 OLED (K3500PA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
lightweight design
strong overall performance
decent battery life
good thermal management
limited port selection
average sound quality
no dedicated gpu
higher price segment
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
| DESIGN AND DIMENSIONS | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.98 cm x 23.53 cm x 1.99 cm | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.65 kg | 1.9 kg |
| Case Material | Aluminum, plastic | - |
| Colour | Quiet blue | Transparent silver |
| DISPLAY | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Screen Size (Type) | 15.6" OLED | 15.6" |
|---|---|---|
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 600 cd/m² | 200 cd/m² |
| Colour Gamut | 100% DCI-P3 | 45% NTSC |
| Colour Support | 1.07 billion colours | - |
| Features | Glossy, Eye-Care Technology, Low Blue Light technology, Pantone Validated, 84% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| CPU | Intel Core i7 (11th Gen) 11370H / 3.3 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 3.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 12 MB | 6 MB |
| MEMORY | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| RAM | 16 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| STORAGE | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | Privacy shutter | - |
| Sound | Harman/kardon stereo speakers, array microphone | Speaker, microphone |
| Audio Features | - | Output: ASUS SonicMaster |
| COMMUNICATIONS | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 63 Wh | 32 Wh |
| AC ADAPTER | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Interfaces | USB 3.2 Gen 1 2 x USB 2.0 USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack |
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 (microSD) | Yes (microSD) |
| SOFTWARE | ASUS VivoBook Pro 15 OLED (K3500PA) | ASUS R521JA (EJ974T) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS VivoBook Pro 15 OLED (K3500PA) | 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 | System password | - |
| Compliant Standards | MIL-STD 810H | - |
| Repairability Index | 7.1 (out of 10) | - |
| Model Number | L1215W | - |
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