In depth comparison and review of Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) and HP Pro c640 G2 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.
| DESIGN AND DIMENSIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Product Type | Chromebook | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 32.8 cm x 22.5 cm x 1.77 cm | 32.36 cm x 22.1 cm x 1.65 cm |
| Weight | 1.48 kg | 1.48 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminum |
| Colour | Mineral grey | Pike silver aluminium |
| DISPLAY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Screen Size (Type) | 14" - TN | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full 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 S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| CPU | AMD A4 9120C / 1.6 GHz | Intel Pentium Gold 7505 |
|---|---|---|
| Max Turbo Speed | 2.4 GHz | 3.5 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | L2 - 1 MB | L3 - 4 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 1666 MHz | 3200 MHz |
| Rated Speed | 1666 MHz | 3200 MHz |
| STORAGE | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Main Storage Size (HDD/SSD) | 32 GB eMMC - eMMC 5.1 | 64 GB eMMC |
|---|
| AUDIO & VIDEO | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Graphics Processor (GPU) | AMD Radeon R4 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Resolution | 1 Megapixel | - |
| Camera Features | - | Privacy Camera Kill Switch |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers, dual array microphone | Dual stereo speakers, two microphones |
| Codec | MAX98357A | - |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Qualcomm QCA6174A - M.2 Card | Intel Wi-Fi 6 AX 201 - PCI Express Mini Card (M.2) |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.11d, IEEE 802.1x, 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), Chromecast support, CNVi, HP Extended Range Wireless LAN |
| BATTERY | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 58 Wh |
| Battery Life | Up to 10 hours | Up to 12.5 hours |
| AC ADAPTER | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 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 |
| INPUT | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch clickpad, gesture function |
| CONNECTIONS & EXPANSIONS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 2 x USB-C 3.1 Gen 1 Headphone/microphone combo jack |
HDMI 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS - English |
|---|---|---|
| Software Included | - | Google Play |
| MISCELLANEOUS | Lenovo Chromebook S345-14AST (Lenovo Chromebook S345) | HP Pro c640 G2 Chromebook |
|---|
| Included Accessories | USB-C power adapter | HP 45W 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, MU-MIMO technology |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | UL, VCCI, BSMI, SABS, FCC, ICES, KC, EAC, RCM, ICCP |
| SAR Value | 0.38 W/kg (body), 0.38 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Bronze | - |
| TCO Certified | - | TCO Certified Notebooks 8 |
| 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 | Limited warranty - parts and labour - 1 year Limited warranty - battery - 1 year |
| Model Number | 14AST 81WX | - |
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