In depth comparison and review of HP Pro c640 Chromebook and Lenovo ThinkPad C14 Chromebook (21C9). 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 c640 Chromebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum chassis
long battery life
efficient Chrome OS
fast boot times
good security features
limited app compatibility
no Windows or macOS
basic display quality
modest storage capacity
Advantages and disadvantages of Lenovo ThinkPad C14 Chromebook (21C9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
excellent keyboard feel
good battery life
affordable price
mediocre display resolution
limited storage capacity
no high-end GPU
fewer ports available
| DESIGN AND DIMENSIONS | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Product Type | Chromebook | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 32.5 cm x 20.5 cm x 1.65 cm | 32.54 cm x 21.7 cm x 1.983 cm |
| Weight | 1.5 kg | 1.56 kg |
| Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Pike silver aluminium | Abyss blue |
| DISPLAY | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED 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 | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Slim Design, Full HD ultra wide-viewing angle (UWVA) eDP anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| CPU | Intel Pentium Gold 6405U / 2.4 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 2 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | - | Integrated memory controller |
| MEMORY | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM - non-ECC | LPDDR4X SDRAM |
| Speed | 2400 MHz | 4266 MHz |
| Rated Speed | 2666 MHz | 4266 MHz |
| STORAGE | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Main Storage Size (HDD/SSD) | 32 GB eMMC - eMMC 5.0 | 128 GB eMMC - eMMC 5.1 |
|---|
| AUDIO & VIDEO | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | HP Privacy HD | Privacy shutter, fixed focus |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC5682I |
| Compliant Standards | High Definition Audio | High Definition Audio, Waves MaxxAudio |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6E AX 211 - M.2 Card |
| 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 | Miracast, dual stream (2x2), MU-MIMO | Dual stream (2x2) |
| BATTERY | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 57 Wh |
| Battery Life | Up to 12 hours | Up to 11 hours |
| AC ADAPTER | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 V | 65 Watt |
| INPUT | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Type | Keyboard, ClickPad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch clickpad, gesture function | Spill-resistant, multi-touch touchpad, Chrome keyboard |
| CONNECTIONS & EXPANSIONS | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Interfaces | HDMI 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.1 Gen 1 Headphone/microphone combo jack |
2 x USB 3.2 Gen 2 2 x Thunderbolt 4 (supports DisplayPort 1.4) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS |
|---|---|---|
| Software Included | Google Play, Google One (100 GB Cloud Storage) (free for 1 year) | - |
| MISCELLANEOUS | HP Pro c640 Chromebook | Lenovo ThinkPad C14 Chromebook (21C9) |
|---|
| Included Accessories | USB-C power adapter | USB-C slim power adapter |
|---|---|---|
| Security | Google Security Chip H1, fingerprint reader | Google Security Chip H1 |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | RapidCharge, MIL-STD-810H tested |
| Compliant Standards | UL, BSMI, SABS, CCC, FCC, ICES, KC, EAC, RCM, ICCP | RoHS, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | 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 - 3 years | Limited warranty - 1 year - pick-up and return |
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