In depth comparison and review of Acer Chromebook Spin 512 (R851TN) and HP Pro c645 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 Acer Chromebook Spin 512 (R851TN) based on its technical characteristics, features, user experience, expert reviews and price level.
durable 360-degree hinge
responsive touchscreen display
robust parental controls
efficient Chrome OS
affordable price
limited app compatibility
modest storage capacity
average processor speed
no Windows or MacOS compatibility
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
| DESIGN AND DIMENSIONS | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Product Type | Chromebook - flip design | Chromebook |
|---|---|---|
| Dimensions (WxDxH) | 29.6 cm x 23.11 cm x 2.03 cm | 32.4 cm x 22.1 cm x 1.65 cm |
| Weight | 1.55 kg | 1.54 kg |
| Colour | Shale black | Pike silver aluminium |
| DISPLAY | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Screen Size (Type) | 12" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (multi-touch) | - |
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1366 x 912 (HD+) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | - |
| Image Brightness | 235 cd/m² | 250 cd/m² |
| Colour Gamut | 50% NTSC | 45% NTSC |
| Features | CineCrystal, Mercury free, Wide Viewing Angle, 25 ms response rate, Antimicrobial Corning Gorilla Glass | Anti-glare, Micro Edge, narrow-bezel design |
| PROCESSOR | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| CPU | Intel Pentium Silver N5000 / 1.1 GHz | AMD Athlon Silver 3050C / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.7 GHz | 3.2 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 4 MB | L3 - 4 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Burst Technology | - |
| MEMORY | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2666 MHz |
| Rated Speed | - | 2666 MHz |
| STORAGE | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - SanDisk | 32 GB eMMC |
|---|
| AUDIO & VIDEO | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 605 | AMD Radeon Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes - 3264 x 2448 (rear), 1280 x 720 (front) | Yes - HD |
| Resolution | 8 Megapixel (rear), 0.9 Megapixel (front) | - |
| Camera Features | HDR (High Dynamic Range), rear camera with auto focus, 88° view | Privacy shutter |
| Video Resolutions | 720p | 720p |
| Sound | Stereo speakers, microphone | Dual stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio | - |
| Audio Features | - | Bang & Olufsen Audio |
| COMMUNICATIONS | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 | Intel Wi-Fi 6 AX 200 |
| Features | - | Dual stream (2x2), Chromecast support, MU-MIMO |
| BATTERY | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 58 Wh |
| Battery Life | Up to 11 hours | Up to 10 hours |
| AC ADAPTER | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Input | AC 120/230 V (50/60 Hz) | (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, Acer FineTip keyboard, moisture-resistant, mechanically anchored keys | Spill-resistant, multi-touch touchpad, gesture function |
| CONNECTIONS & EXPANSIONS | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Interfaces | 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (charging) 2 x USB 3.1 Gen 1 Headphone/microphone combo jack |
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 |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS - English |
|---|---|---|
| Software Included | - | Google One |
| MISCELLANEOUS | Acer Chromebook Spin 512 (R851TN) | HP Pro c645 Chromebook |
|---|
| Included Accessories | Wacom EMR pen, USB-C power adapter | 45W USB-C power adapter |
|---|---|---|
| Integrated Options | Gyro sensor | - |
| Security | Trusted Platform Module (TPM) 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 | MU-MIMO technology, robust construction, MIL-STD-810G tested | HP Fast Charge, Google Titan C |
| Compliant Standards | - | UL, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, ICCP |
| ENERGY STAR Certified | - | Yes |
| TCO Certified | TCO Certified Notebooks 8 | 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 - carry-in International travellers warranty - 1 year |
Limited warranty - parts and labour - 1 year |
| Model Number | P29J | - |
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