In depth comparison and review of HP Pro c645 Chromebook and Lenovo IdeaPad 3 CB 11AST5 (82H4). 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 HP Pro c645 Chromebook based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
efficient battery life
solid security features
fast boot-up times
average display quality
limited storage capacity
fewer port options
mediocre speaker performance
Advantages and disadvantages of Lenovo IdeaPad 3 CB 11AST5 (82H4) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
compact and lightweight
efficient Chrome OS
solid build quality
decent battery life
limited storage capacity
mediocre display resolution
basic performance level
fewer connectivity options
| DESIGN AND DIMENSIONS | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Product Type | Chromebook | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 32.4 cm x 22.1 cm x 1.65 cm | 28.67 cm x 20.55 cm x 1.805 cm |
| Weight | 1.54 kg | 1.12 kg |
| Case Material | - | Polycarbonate ABS |
| Colour | Pike silver aluminium | Onyx black |
| DISPLAY | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Screen Size (Type) | 14" - IPS | 11.6" - TN |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, Micro Edge, narrow-bezel design | Anti-glare |
| PROCESSOR | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| CPU | AMD Athlon Silver 3050C / 2.3 GHz | AMD A4 9120C / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.2 GHz | 2.4 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | L3 - 4 MB | L2 - 1 MB |
| Features | - | Integrated memory controller |
| MEMORY | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 1866 MHz |
| Rated Speed | 2666 MHz | 1866 MHz |
| STORAGE | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Main Storage Size (HDD/SSD) | 32 GB eMMC | 64 GB eMMC - eMMC 5.1 |
|---|
| AUDIO & VIDEO | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon R4 |
|---|---|---|
| Max Monitors Supported | - | 1 external monitor(s) |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | Privacy shutter | Fixed focus |
| Video Resolutions | 720p | - |
| Sound | Dual stereo speakers, dual array microphone | Stereo speakers, microphone |
| Compliant Standards | - | High Definition Audio |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 200 | M.2 Card |
| Features | Dual stream (2x2), Chromecast support, MU-MIMO | Dual stream (2x2) |
| BATTERY | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 58 Wh | 47 Wh |
| Battery Life | Up to 10 hours | Up to 10 hours |
| AC ADAPTER | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Input | (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt |
| INPUT | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, gesture function | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Interfaces | 2 x USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) HDMI 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
2 x USB 3.2 Gen 1 2 x USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Operating System (OS) | Google Chrome OS - English | Google Chrome OS |
|---|---|---|
| Software Included | Google One | - |
| MISCELLANEOUS | HP Pro c645 Chromebook | Lenovo IdeaPad 3 CB 11AST5 (82H4) |
|---|
| Included Accessories | 45W USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | - | Google Security Chip H1 |
| Security Slot Type | Kensington nano security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | HP Fast Charge, Google Titan C | - |
| Compliant Standards | UL, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, ICCP | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.152 W/kg (body), 0.152 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% | 8 - 95% |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year | Limited warranty - 1 year - carry-in |
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