In depth comparison and review of Lenovo ThinkPad E580 (20KT) and ASUS ExpertBook B9 OLED (B9403CVA). 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 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 | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.9 cm x 25.2 cm x 1.995 cm | 31.1 cm x 21.5 cm x 1.57 cm |
| Weight | 2.1 kg | 990 g |
| Case Material | Aluminum, polycarbonate ABS | Magnesium-lithium alloy |
| Colour | Black | Star black |
| DISPLAY | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (WQXGA+) |
| V-Sync Rate at Max Res. | - | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | 90% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i7 (13th Gen) 1355U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 5.1 GHz |
| Number of Cores | Quad-Core | 10-core |
| Cache | 6 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Toshiba | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | - | Privacy shutter, IR camera, Windows Hello |
| Sound | Stereo speakers, dual array microphone | Dual speakers, array microphone |
| Codec | CX11852 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | - |
| Audio Features | - | Output: Smart Amp; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkPad E580 (20KT) | 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 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 3165 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek R8111GUS | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 63 Wh |
| Battery Life | Up to 12.23 hours | - |
| AC ADAPTER | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, NumberPad 2.0 |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4 / SATA) (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 HDMI LAN USB-C 3.1 Gen 2 Headphone/microphone combo jack |
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) | - |
| SOFTWARE | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro |
|---|---|---|
| Software Included | - | McAfee, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad E580 (20KT) | ASUS ExpertBook B9 OLED (B9403CVA) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter, Micro HDMI to LAN adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) 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 | Administrator password, hard drive password, power-on password | Smart Cooling Technology, MIL-STD-810H tested, BIOS protection |
| Compliant Standards | RoHS | RoHS, REACH, Energy Star 8.0, FSC Mix |
| SAR Value | 0.579 W/kg (body), 0.579 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Model Number | - | KMi711X |
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