In depth comparison and review of Lenovo Chromebook S340 (81TB) and HP Elite c640 G3 Chromebook. 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 HP Elite c640 G3 Chromebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
responsive keyboard design
lightweight and portable
efficient Chrome OS
fast charging support
limited app compatibility
average display quality
no Windows or macOS
modest storage capacity
| DESIGN AND DIMENSIONS | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Product Type | Chromebook | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 32.89 cm x 23.435 cm x 1.88 cm | 32.3 cm x 22.1 cm x 1.98 cm |
| Weight | 1.4 kg | 1.54 kg |
| Case Material | Polycarbonate ABS | - |
| Colour | Dark orchid | Onyx black | - |
| DISPLAY | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Screen Size (Type) | 14" - TN | 14" - IPS |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | WLED 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 | - |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent |
| PROCESSOR | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| CPU | Intel Celeron N4000 / 1.1 GHz | Intel Pentium Gold 8505 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 2.6 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 5-core |
| Cache | 4 MB | L3 - 8 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Intel Turbo Boost Technology |
| MEMORY | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4 SDRAM | LPDDR4X SDRAM |
| Speed | 2400 MHz | 4266 MHz |
| Rated Speed | 2400 MHz | 4266 MHz |
| STORAGE | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Main Storage Size (HDD/SSD) | 32 GB eMMC - eMMC 5.1 | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| 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 |
| Resolution | 1 Megapixel | 5 Megapixel |
| Camera Features | - | Privacy shutter, HP Privacy |
| Sound | Stereo speakers, microphone | Dual stereo speakers, dual array microphone |
| Codec | - | Realtek ALC5682I-VS |
| Compliant Standards | High Definition Audio | - |
| Audio Features | - | Output: Bang & Olufsen Audio; Input: AI noise reduction |
| COMMUNICATIONS | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 Card | Intel Wi-Fi 6E AX 211 - PCI Express Mini Card (M.2) |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.11d, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v |
| Features | Dual stream (2x2) | Dual stream (2x2), MU-MIMO, CNVi |
| BATTERY | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Technology | Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 58.84 Wh |
| Battery Life | Up to 10 hours | - |
| Battery Weight | - | 230 g |
| AC ADAPTER | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 115-230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 5 / 9 / 12 / 15 V, 5 A |
| INPUT | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Multi-touch touchpad, buttonless touchpad | Volume control, spill-resistant, multi-touch clickpad, gesture function, glass clickpad, pick resistant |
| CONNECTIONS & EXPANSIONS | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| 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 |
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 (charging) Headphone/microphone combo jack HDMI |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS - English |
|---|---|---|
| Software Included | - | HP QuickDrop |
| MISCELLANEOUS | Lenovo Chromebook S340 (81TB) | HP Elite c640 G3 Chromebook |
|---|
| Included Accessories | USB-C power adapter | HP 45 Watt nPFC USB-C AC Adapter |
|---|---|---|
| Security | Google Security Chip H1 | Titan-C Security Chip |
| 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 | - | HP Fast Charge, Zero Touch Enrollment |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, ICCP |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Humidity Range Operating | - | 10 - 90% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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