Side by side comparison and review of ASUS 15 (X515JA) and ASUS R521JA (EJ974T). 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 15 (X515JA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
good connectivity options
average battery life
basic display quality
limited storage capacity
no dedicated graphics
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 15 (X515JA) | ASUS R521JA (EJ974T) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.9 cm x 23.5 cm x 1.99 cm | 36 cm x 23.5 cm x 2.29 cm |
Weight | 1.8 kg | 1.9 kg |
Case Material | Plastic | - |
Colour | Silver | Slate grey | Transparent silver |
DISPLAY | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Screen Size (Type) | 15.6" | 15.6" |
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LCD Backlight Technology | LED backlight | - |
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 | 250 cd/m² | 200 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare | Anti-glare, 83% screen-to-body ratio |
PROCESSOR | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
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Max Turbo Speed | 3.4 GHz | 3.6 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 4 MB | 6 MB |
Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
MEMORY | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 4 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
Empty Slots | 0 | - |
STORAGE | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
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Camera | Yes - HD | Yes - VGA |
Sound | Speaker, microphone | Speaker, microphone |
Audio Features | ASUS SonicMaster | Output: ASUS SonicMaster |
COMMUNICATIONS | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Features | Dual stream (2x2) | Single stream (1x1) |
BATTERY | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Technology | 3-cell | 2-cell Lithium Ion |
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Battery Capacity (Size) | 37 Wh | 32 Wh |
Battery Life | Up to 7.7 hours | - |
AC ADAPTER | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 19 V, 3.42 A | 45 Watt, 19 V, 2.37 A |
INPUT | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Features | Chiclet keyboard | Chiclet keyboard |
CONNECTIONS & EXPANSIONS | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Slots | 1 x M.2 (PCI Express 3.0 x2) (0 free) | - |
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Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI |
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) |
SOFTWARE | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Operating System (OS) | Windows 11 Home | Windows 10 Home |
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MISCELLANEOUS | ASUS 15 (X515JA) | ASUS R521JA (EJ974T) |
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Included Accessories | Power adapter | Power adapter |
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Security | Firmware Trusted Platform Module (TPM) Security Chip | 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 | - |
Repairability Index | 6.1 (out of 10) | - |
Manufacturer Warranty | International warranty - 1 year | - |
Model Number | EJ2133W | - |