| Global Score | |
| 68.5 | 62.5 |
| Basic Information | |
| Amazon | Lenovo |
| Android 4.2.2 | Windows Phone 8.1 |
| 2013-09-25 | 2014-05-13 |
| 9.09 x 6.22 x 0.31 inches | 10.45 x 6.97 x 0.35 inches |
| 13.55 ounces | 21.52 ounces |
| Black | -- |
| Display / Screen | |
| 8.9 inches | 10.1 inches |
| 2560 x 1600 pixels | 1200 x 1920 pixels |
| LCD | IPS LCD |
| 339 pixels per inch | 224 pixels per inch |
| 400 cd/m2 brightness | -- |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8074 chipset | Intel Atom Z3795 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Quad-Core 1600 MHz processor |
| 2 GB (800 MHz) RAM | 2 GB (1067 MHz) RAM |
| Adreno 330 (450 MHz) GPU | Intel HD Graphics Gen7 GPU |
| 9.18 | 8.55 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSD external memory slot |
| 7.7 | 10.1 |
| Camera | |
| 8.00 MP | 8.00 MP + 2.00 MP |
| f/2.20 aperture | -- |
| -- | 1920 x 1080 (Full HD) video resolution |
| 6.82 | 6.38 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE (4G), HSPA, UMTS, EDGE and GPRS | LTE (4G), HSPA+ (4G) and HSDPA |
| 6.4 | 5.8 |
| Non-Removable Battery | Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth | Bluetooth |
| GPS | -- |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer |
The Amazon Kindle Fire HDX 8.9 has a score of 68.5, which is slightly better than the Lenovo ThinkPad 10's 62.5 global score. Amazon Kindle Fire HDX 8.9's body is incredibly lighter and somewhat thinner than Lenovo ThinkPad 10, although both were only released 8 months apart. Amazon Kindle Fire HDX 8.9 comes with Android 4.2.2 OS, while Lenovo ThinkPad 10 comes with Windows Phone 8.1 OS.
The Amazon Kindle Fire HDX 8.9 counts with a bit faster CPU than Lenovo ThinkPad 10, and although they both have a 2 GB RAM and the same number of cores, the Amazon Kindle Fire HDX 8.9 also has an additional graphics co-processor. Amazon Kindle Fire HDX 8.9 counts with a much sharper screen than Lenovo ThinkPad 10, because although it has a little bit smaller screen, it also counts with a much greater count of pixels per display inch and a better 1600 x 2560 resolution.
Amazon Kindle Fire HDX 8.9 features a slightly better camera than Lenovo ThinkPad 10. They have a same resolution back facing camera. The Lenovo ThinkPad 10 has a much greater storage to store more apps and games than Amazon Kindle Fire HDX 8.9, because it has 64 GB more internal storage. The Lenovo ThinkPad 10's battery performance is just as good as the Amazon Kindle Fire HDX 8.9 one.
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