| Global Score | |
| 68.5 | 67.9 |
| Basic Information | |
| Amazon | Amazon |
| Android 4.2.2 | Android 4.4 |
| 2013-09-25 | 2014-10-21 |
| 9.09 x 6.22 x 0.31 inches | 9.10 x 6.20 x 0.30 inches |
| 13.55 ounces | 13.23 ounces |
| Black | -- |
| -- | $ 479.00 |
| Display / Screen | |
| 8.9 inches | 8.9 inches |
| 2560 x 1600 pixels | 2560 x 1600 pixels |
| LCD | LCD |
| 339 pixels per inch | 339 pixels per inch |
| 400 cd/m2 brightness | -- |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8074 chipset | Qualcomm Snapdragon 805 APQ8084 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Krait 450 (Quad-Core 2500 MHz) processor |
| 2 GB (800 MHz) RAM | 2 GB (800 MHz) RAM |
| Adreno 330 (450 MHz) GPU | Adreno 420 Blaze GPU |
| 9.18 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 7.7 |
| Camera | |
| 8.00 MP | 8.00 MP |
| f/2.20 aperture | f/2.20 aperture |
| -- | 1920 x 1080 (Full HD) video resolution |
| 6.82 | 6.82 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, UMTS, EDGE and GPRS | LTE (4G), HSPA, EDGE and GPRS |
| 6.4 | 6.3 |
| Non-Removable Battery | Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth | Bluetooth 4.1 |
| GPS | GPS |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
The Amazon Kindle Fire HDX 8.9 has a global score of 68.5, which is a little bit better than Amazon Fire HDX 8.9's 67.9 global score. The Amazon Kindle Fire HDX 8.9 construction is older, a bit heavier and just a little thicker than Amazon Fire HDX 8.9. These devices include Android OS, but Amazon Kindle Fire HDX 8.9 has 4.2.2 version and Amazon Fire HDX 8.9 has Android 4.4 version.
The Amazon Kindle Fire HDX 8.9 counts with a bit more powerful CPU than Amazon Fire HDX 8.9, and although they both have a 2 GB RAM memory and the same number of cores, the Amazon Kindle Fire HDX 8.9 also has an extra graphics processing unit. The Amazon Kindle Fire HDX 8.9 counts with a little more vivid screen than Amazon Fire HDX 8.9. They have a same size screen, a better count of pixels per display inch and an equal 1600 x 2560 resolution.
The Amazon Kindle Fire HDX 8.9 and the Amazon Fire HDX 8.9 count with quite similar storage to install games and applications, they have exactly the same 64 GB internal storage capacity. The Amazon Fire HDX 8.9 has a battery performance that is just as good as Amazon Kindle Fire HDX 8.9's battery life.
Amazon Fire HDX 8.9 has a camera that's very similar to the Amazon Kindle Fire HDX 8.9 one, both of them have the same aperture and a same resolution back-facing camera.
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