| Global Score | |
| 67.9 | 68.5 |
| Basic Information | |
| Amazon | Amazon |
| Android 4.4 | Android 4.2.2 |
| 2014-10-21 | 2013-09-25 |
| 9.10 x 6.20 x 0.30 inches | 9.09 x 6.22 x 0.31 inches |
| 13.23 ounces | 13.55 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 |
| 8.7 | 9 |
| Performance | |
| Qualcomm Snapdragon 805 APQ8084 chipset | Qualcomm Snapdragon 800 MSM8074 chipset |
| Krait 450 (Quad-Core 2500 MHz) processor | Krait 400 (Quad-Core 2200 MHz) processor |
| 2 GB (800 MHz) RAM | 2 GB (800 MHz) RAM |
| Adreno 420 Blaze GPU | Adreno 330 (450 MHz) GPU |
| 9.09 | 9.18 |
| 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, EDGE and GPRS | LTE (4G), HSPA, UMTS, EDGE and GPRS |
| 6.3 | 6.4 |
| Removable Battery | Non-Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth |
| GPS | GPS |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
Amazon Kindle Fire HDX 8.9 is a bit better than Amazon Fire HDX 8.9, with a global score of 68.5 against 67.9. These devices work with Android OS (Operating System), but Amazon Kindle Fire HDX 8.9 has an older 4.2.2 version and Amazon Fire HDX 8.9 has Android 4.4. Although it's the best we are comparing, the Amazon Kindle Fire HDX 8.9 design is older, just a bit thicker and a bit heavier than the Amazon Fire HDX 8.9.
Amazon Kindle Fire HDX 8.9 has a bit better CPU than Amazon Fire HDX 8.9, and although they both have 2 GB of RAM and 4 cores, the Amazon Kindle Fire HDX 8.9 also has an additional graphics co-processor. Amazon Kindle Fire HDX 8.9 features a bit more vivid screen than Amazon Fire HDX 8.9. Both of them have a greater pixels quantity in each inch in the screen, the same exact 1600 x 2560 resolution and a screen with the same size.
Amazon Kindle Fire HDX 8.9's camera is just as good as Amazon Fire HDX 8.9's camera, both have the same aperture and the same resolution camera. Amazon Kindle Fire HDX 8.9 has as much memory capacity to store more games and applications as the Amazon Fire HDX 8.9 one, both have equal internal memory capacity.
The Amazon Kindle Fire HDX 8.9's battery performance is very similar to the Amazon Fire HDX 8.9 one.
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