Detailed comparison and review of ASUS VivoBook 15 OLED (K513EA) 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.
Advantages and disadvantages of ASUS VivoBook 15 OLED (K513EA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
lightweight design
competitive price point
solid build quality
fast ssd storage
average battery life
modest graphics performance
no thunderbolt support
limited upgradeability
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 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.9 cm x 23.5 cm x 1.79 cm | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.8 kg | 1.9 kg |
| Case Material | Aluminum, plastic | - |
| Colour | Transparent silver (LCD cover), spangle silver (bottom), spangle silver (top) | Transparent silver |
| DISPLAY | ASUS VivoBook 15 OLED (K513EA) | 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, 85% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | ASUS VivoBook 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| CPU | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 12 MB | 6 MB |
| MEMORY | ASUS VivoBook 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS VivoBook 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| 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 VivoBook 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Sound | Harman/kardon stereo speakers, microphone | Speaker, microphone |
| Audio Features | ASUS Bang & Olufsen ICEpower | Output: ASUS SonicMaster |
| COMMUNICATIONS | ASUS VivoBook 15 OLED (K513EA) | 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 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Technology | 3-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 32 Wh |
| AC ADAPTER | ASUS VivoBook 15 OLED (K513EA) | 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 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Interfaces | HDMI Headphone output USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 |
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 15 OLED (K513EA) | ASUS R521JA (EJ974T) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS VivoBook 15 OLED (K513EA) | 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 | - |
| Repairability Index | 6.5 (out of 10) | - |
| Model Number | L1897T | - |
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