In depth comparison and review of Acer Chromebook Spin 512 (R851TN) and Lenovo IdeaPad Flex 3 CB 11M836 (82KM). 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 Lenovo IdeaPad Flex 3 CB 11M836 (82KM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
flexible 2-in-1 design
lightweight and portable
decent battery life
solid build quality
mediocre performance
limited storage capacity
average display quality
fewer connectivity options
| DESIGN AND DIMENSIONS | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Product Type | Chromebook - flip design | Chromebook - flip design |
|---|---|---|
| Dimensions (WxDxH) | 29.6 cm x 23.11 cm x 2.03 cm | 28.5 cm x 20.2 cm x 1.85 cm |
| Weight | 1.55 kg | 1.2 kg |
| Case Material | - | Polycarbonate ABS |
| Colour | Shale black | Dual tone arctic grey | Dual tone abyss blue |
| DISPLAY | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Screen Size (Type) | 12" - IPS | 11.6" - IPS |
|---|---|---|
| Touchscreen | Yes (multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 912 (HD+) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:9 |
| 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 | Glossy, capacitive touch screen, 170° viewing angle |
| PROCESSOR | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| CPU | Intel Pentium Silver N5000 / 1.1 GHz | MediaTek MT8183 / 2 GHz |
|---|---|---|
| Max Turbo Speed | 2.7 GHz | - |
| Number of Cores | Quad-Core | 8-core |
| Cache | 4 MB | - |
| 64-bit Computing | Yes | - |
| Features | Intel Burst Technology | - |
| MEMORY | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4 SDRAM | LPDDR4X SDRAM |
| Speed | - | 1866 MHz |
| Rated Speed | - | 1866 MHz |
| STORAGE | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Main Storage Size (HDD/SSD) | 64 GB eMMC - SanDisk | 64 GB eMMC - eMMC 5.1 |
|---|
| AUDIO & VIDEO | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 605 | ARM Mali-G72 MP3 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | - | 1 external monitor(s) |
| Camera | Yes - 3264 x 2448 (rear), 1280 x 720 (front) | Yes - 720p |
| Resolution | 8 Megapixel (rear), 0.9 Megapixel (front) | - |
| Camera Features | HDR (High Dynamic Range), rear camera with auto focus, 88° view | Privacy shutter, fixed focus |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | MAX98357A |
| Compliant Standards | High Definition Audio | High Definition Audio |
| COMMUNICATIONS | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Wireless | 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 2230 | M.2 Card |
| BATTERY | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 42 Wh |
| Battery Life | Up to 11 hours | Up to 16 hours |
| AC ADAPTER | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 12 / 15 / 20 V | 45 Watt |
| INPUT | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, touchpad |
|---|---|---|
| Features | Volume control, spill-resistant, Acer FineTip keyboard, moisture-resistant, mechanically anchored keys | Multi-touch touchpad, buttonless touchpad, Chrome keyboard |
| CONNECTIONS & EXPANSIONS | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| 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 |
USB-C 2.0 (supports DisplayPort 1.1a Alt Mode) (Power Delivery 2.0) Headphone/microphone combo jack USB 2.0 |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Operating System (OS) | Google Chrome OS | Google Chrome OS |
|---|
| MISCELLANEOUS | Acer Chromebook Spin 512 (R851TN) | Lenovo IdeaPad Flex 3 CB 11M836 (82KM) |
|---|
| Included Accessories | Wacom EMR pen, USB-C power adapter | USB-C power adapter |
|---|---|---|
| Integrated Options | Gyro sensor | - |
| Security | Trusted Platform Module (TPM) Security Chip | Google Security Chip H1 |
| Security Slot Type | Kensington security slot | Kensington 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 | - |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | - | Yes |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | P29J | - |
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