In depth comparison and review of Lenovo Chromebook S340 (81TB) and ASUS Chromebook CB9 (CB9400CEA). 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 Lenovo Chromebook S340 (81TB) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
efficient battery life
solid build quality
fast boot times
limited storage capacity
average display resolution
fewer port options
mediocre performance
Advantages and disadvantages of ASUS Chromebook CB9 (CB9400CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
affordable price
efficient battery life
solid build quality
fast boot times
limited storage capacity
mediocre display resolution
fewer port options
not suitable for gaming
| DESIGN AND DIMENSIONS | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Product Type | Chromebook | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 32.89 cm x 23.435 cm x 1.88 cm | 32.22 cm x 20.49 cm x 1.6 cm |
| Weight | 1.4 kg | 1.05 kg |
| Case Material | Polycarbonate ABS | Magnesium-aluminium (bottom), magnesium-aluminium (keyboard cover), magnesium-aluminium (LCD cover) |
| Colour | Dark orchid | Onyx black | Star black (LCD cover), star black (top), star black (bottom) | Star black |
| DISPLAY | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Screen Size (Type) | 14" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (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 | 220 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Anti-glare, Wide-View (IPS), 30 ms response rate, 170° horizontal and vertical viewing angle, 92% screen-to-body ratio |
| PROCESSOR | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| CPU | Intel Celeron N4000 / 1.1 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 4.2 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| STORAGE | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Main Storage Size (HDD/SSD) | 32 GB eMMC - eMMC 5.1 | 256 GB SSD PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 600 | Intel Iris Xe Graphics |
|---|---|---|
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | 1 Megapixel | - |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | High Definition Audio | - |
| Audio Features | - | Output: Smart Amp |
| COMMUNICATIONS | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 Card | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 50 Wh |
| Battery Life | Up to 10 hours | - |
| AC ADAPTER | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 15 V, 3 A |
| INPUT | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) Headphone/microphone combo jack |
Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS |
|---|
| MISCELLANEOUS | Lenovo Chromebook S340 (81TB) | ASUS Chromebook CB9 (CB9400CEA) |
|---|
| Included Accessories | USB-C power adapter | Sleeve, USB-C power adapter |
|---|---|---|
| Security | Google Security Chip H1 | Titan-C Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | WEEE |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | KC0200 |
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