Side by side comparison and review of ASUS 15 (M509DA) and ASUS ExpertBook B9 OLED (B9403CVA). 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 (M509DA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate performance
decent battery life
average display quality
limited upgrade options
no backlit keyboard
mediocre sound output
Advantages and disadvantages of ASUS ExpertBook B9 OLED (B9403CVA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
impressive oled display
fast performance specs
robust security features
long battery life
higher price point
limited graphics power
no ethernet port
scarce color accuracy
| DESIGN AND DIMENSIONS | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 2.29 cm | 31.1 cm x 21.5 cm x 1.57 cm |
| Weight | 1.8 kg | 990 g |
| Case Material | - | Magnesium-lithium alloy |
| Colour | Transparent silver | Star black |
| DISPLAY | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Screen Size (Type) | 15.6" | 14" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (WQXGA+) |
| V-Sync Rate at Max Res. | 60 Hz | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, NanoEdge display | 90% screen-to-body ratio |
| PROCESSOR | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| CPU | AMD Athlon Silver 3050U / 2.3 GHz | Intel Core i7 (13th Gen) 1355U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.2 GHz | 5.1 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | L2 - 4 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | - | Intel Smart Cache |
| MEMORY | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 12 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x2 | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - VGA | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Speaker, microphone | Dual speakers, array microphone |
| Audio Features | ASUS SonicMaster | Output: Smart Amp; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| 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 | - | Dual stream (2x2) |
| BATTERY | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 63 Wh |
| AC ADAPTER | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| 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, 20 V, 3.25 A |
| INPUT | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad 2.0 |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4 / SATA) (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
USB 3.2 Gen 2 2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI Micro-HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Operating System (OS) | No operating system | Windows 11 Pro |
|---|---|---|
| Software Included | - | McAfee, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | ASUS 15 (M509DA) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Included Accessories | Power adapter | 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 security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | System password | Smart Cooling Technology, MIL-STD-810H tested, BIOS protection |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | RoHS, REACH, Energy Star 8.0, FSC Mix |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Model Number | EJ381 | KMi711X |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
