Side by side comparison and review of ASUS A509JA (EJ079T) and ASUS ExpertBook B9 (B9400CEA). 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 A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.
solid build quality
responsive touchpad
crisp full hd display
adequate connectivity options
competitive pricing
average battery life
modest graphics performance
no backlit keyboard
limited upgradeability
Advantages and disadvantages of ASUS ExpertBook B9 (B9400CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
extremely lightweight design
impressive battery life
robust security features
fast ssd storage
advanced connectivity options
premium price tag
no dedicated gpu
limited color accuracy
smaller display size
| DESIGN AND DIMENSIONS | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 2.29 cm | 32 cm x 20.3 cm x 1.49 cm |
| Weight | 1.9 kg | 1.01 kg |
| Case Material | - | Magnesium-aluminum alloy, magnesium-lithium alloy |
| Colour | Transparent silver | Star black |
| DISPLAY | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| 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 | Anti-glare, Wide-View (IPS) |
| PROCESSOR | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| CPU | Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| MEMORY | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Graphics Processor (GPU) | Intel Iris Plus Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Speaker, microphone | Harman/kardon stereo speakers, array microphone |
| Audio Features | ASUS SonicMaster, ASUS Bang & Olufsen ICEpower | - |
| COMMUNICATIONS | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Network Interface | - | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 66 Wh |
| AC ADAPTER | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Input | AC 120/230 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 A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 HDMI Micro-HDMI Headphone/microphone combo jack LAN (on supplied cable) |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro |
|---|
| MISCELLANEOUS | ASUS A509JA (EJ079T) | ASUS ExpertBook B9 (B9400CEA) |
|---|
| Included Accessories | Power adapter | Sleeve, USB-C power adapter, Micro HDMI to LAN adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, hard drive password | System password, hard drive password |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | - |
| Repairability Index | - | 7.1 (out of 10) |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | KC0182X |
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