In depth comparison and review of ASUS R521JA (EJ974T) and ASUS ExpertBook B5 (B5402CBA). 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 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 ExpertBook B5 (B5402CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust security features
efficient performance
long battery life
fast charging support
limited graphics capability
average display quality
higher price point
noisy under load
| DESIGN AND DIMENSIONS | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 32.34 cm x 22.31 cm x 1.8 cm |
| Weight | 1.9 kg | 1.25 kg |
| Colour | Transparent silver | Star black |
| DISPLAY | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| 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 | 200 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, 83% screen-to-body ratio | Anti-glare, WideView, 85% screen-to-body ratio |
| PROCESSOR | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| CPU | Intel Core i5 (10th Gen) 1035G1 / 1 GHz | Intel Core i5 (12th Gen) 1240P / 1.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.6 GHz | 4.4 GHz |
| Number of Cores | Quad-Core | 12-core |
| Cache | 6 MB | 12 MB |
| MEMORY | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - VGA | Yes - 720p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Speaker, microphone | Speakers, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | Output: ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| Features | Single stream (1x1) | Dual stream (2x2) |
| BATTERY | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 63 Wh |
| AC ADAPTER | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| 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, 20 V, 3.25 A |
| INPUT | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
USB 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI 2.0a |
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Pro |
|---|---|---|
| Software Included | - | McAfee, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | ASUS R521JA (EJ974T) | ASUS ExpertBook B5 (B5402CBA) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | MIL-STD-810H tested, Cortana support |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | KII5X |
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