Tablet Specs >> Lenovo >> Lenovo ThinkPad 1839-4HF
Compare Lenovo ThinkPad 1839-4HF vs Apple iPad Air MD789LL/A
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Compare specs Lenovo ThinkPad 1839-4HF vs Apple iPad Air MD789LL/A
| Display | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Screen Size | 10.10 " | 9.70 " |
| Touchscreen | Yes | Yes |
| Display Screen Type | Active Matrix TFT Color LCD | Active Matrix TFT Color LCD |
| Aspect Ratio | 16:10 | 4:3 |
| Screen Mode | WXGA | QXGA |
| Screen Resolution | 1280 x 800 | 2048 x 1536 |
| Backlight Technology | LED | LED |
| Multi-touch Screen | Yes | Yes |
| Graphics Controller Manufacturer | NVIDIA | Imagination Technologies |
| Graphics Controller Model | ULP GeForce | PowerVR G6430 |
| Display Screen Technology | In-plane Switching (IPS) Technology | In-plane Switching (IPS) Technology, Retina Display |
| Graphics Memory Technology | LPDDR2 | |
| Pixel Density | 264 ppi | |
| Graphics Memory Accessibility | Shared | |
| Digitalizer | Yes | |
| Hard Drive | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Optical Drive Type | No | No |
| Flash Memory Capacity | 32 GB | 32 GB |
| Lens | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Focus Modes | Fixed Focus, Auto-focus | Auto-focus |
| Network | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Wireless LAN | Yes | Yes |
| Wireless LAN Standard | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n |
| Bluetooth | Yes | Yes |
| Bluetooth Standard | Bluetooth 3.0 | Bluetooth 4.0 |
| Wireless LAN Manufacturer | AzureWave | |
| Wireless LAN Model | AW-NH931 | |
| Memory | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Memory Card Supported | MultiMediaCard (MMC), Secure Digital (SD) Card, Secure Digital High Capacity (SDHC) | |
| Standard Memory | 1 GB | |
| Memory Technology | LPDDR2 | |
| Memory Card Reader | Yes | |
| Dimensions | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Height | 0.6" | 9.4" |
| Width | 10.3" | 6.6" |
| Depth | 7.2" | 0.3" |
| Weight (Approximate) | 26.24 oz | 16.0 oz |
| Color | Black | Silver |
| Form Factor | Slate | Slate |
| Detailed Specs | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Microphone | Yes | Yes |
| Speakers | Yes | Yes |
| Sensor Type | Ambient Light Sensor, Proximity Sensor, Accelerometer, Gyro Sensor, Digital Compass | Gyro Sensor, Accelerometer, Ambient Light Sensor, Digital Compass |
| Front Camera Webcam | Yes | Yes |
| Front Camera Webcam Resolution | 2 Megapixel | 1.2 Megapixel |
| Rear Camera | Yes | Yes |
| Rear Camera Resolution | 5 Megapixel | 5 Megapixel |
| Rear Camera Video Resolution | 1280 x 720 | 1920 x 1080 |
| Processor | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Processor Manufacturer | NVIDIA | Apple |
| Processor Type | Tegra 2 | A7 |
| Processor Speed | 1 GHz | 1.30 GHz |
| Processor Core | Dual-core (2 Core) | Dual-core (2 Core) |
| Cache | 1 MB | 1 MB |
| Processor Model | 250 | |
| Software | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Operating System | Android 3.1 Honeycomb | iOS 7 |
| Input Devices | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Keyboard Type | Touchscreen Keyboard | Touchscreen Keyboard |
| Pointing Device Type | Stylus | |
| Keyboard | Yes | |
| Power Description | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Max Power Supply Wattage | 10 W | 12 W |
| Battery | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Battery Chemistry | Lithium Polymer (Li-Polymer) | Lithium Polymer (Li-Polymer) |
| Maximum Battery Run Time | 10 Hour | |
| Battery Energy | 32.40 Wh | |
| Number of Battery Cells | 2 | |
| Maximum Standby Battery Time | 10 Hour | |
| Maximum Web Surfing Battery Time | 8 Hour | |
| Interfaces | Lenovo ThinkPad 1839-4HF | Apple iPad Air MD789LL/A |
| Audio Line Out | Yes | Yes |
| HDMI | Yes | |
| Total Number of USB Ports | 1 | |
| Number of USB 2.0 Ports | 1 | |
| Connection Type | Micro USB |