| Global Score | |
| 68.5 | 60.8 |
| Basic Information | |
| Amazon | Amazon |
| Android 4.2.2 | Android 4.2.2 |
| 2013-09-25 | 2013-09-25 |
| 9.09 x 6.22 x 0.31 inches | 7.32 x 5.04 x 0.35 inches |
| 13.55 ounces | 10.97 ounces |
| Black | Black |
| -- | $ 100.00 |
| Display / Screen | |
| 8.9 inches | 7 inches |
| 2560 x 1600 pixels | 1920 x 1200 pixels |
| LCD | LCD |
| 339 pixels per inch | 323 pixels per inch |
| 400 cd/m2 brightness | 400 cd/m2 brightness |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9 | 8.9 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8074 chipset | Qualcomm Snapdragon 800 8074 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Krait 400 (Quad-Core 2260 MHz) processor |
| 2 GB (800 MHz) RAM | 2 GB (800 MHz) RAM |
| Adreno 330 (450 MHz) GPU | Adreno 330 (450 MHz) GPU |
| 9.18 | 9.27 |
| 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 | -- |
| f/2.20 aperture | -- |
| 6.82 | 0 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, UMTS, EDGE and GPRS | LTE (4G), HSPA, UMTS, EDGE and GPRS |
| 6.4 | 6.4 |
| Non-Removable Battery | Non-Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth | Bluetooth |
| GPS | GPS |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
Amazon Kindle Fire HDX 8.9 is better than Amazon Kindle Fire HDX 7, having a global score of 68.5 against 60.8. Amazon Kindle Fire HDX 8.9's construction is heavier but thinner than Amazon Kindle Fire HDX 7, and they were only released 0 months apart. Both of these tablets include the same Android 4.2.2 operating system.
The Amazon Kindle Fire HDX 7 features a bit faster processor than Amazon Kindle Fire HDX 8.9. They have 4 processing cores, a 450 MHz graphics processing unit and a 2 GB RAM memory. Amazon Kindle Fire HDX 8.9 features a slightly better looking display than Amazon Kindle Fire HDX 7, and although they both have the same brightness, the Amazon Kindle Fire HDX 8.9 also has a larger display, a better 1600 x 2560 resolution and a just a little greater display pixel density.
The Amazon Kindle Fire HDX 8.9 takes much better photos and videos than Amazon Kindle Fire HDX 7. Amazon Kindle Fire HDX 7 counts with as much memory for applications and games as the Amazon Kindle Fire HDX 8.9, both have the same internal memory capacity. Amazon Kindle Fire HDX 7 counts with a battery duration that is very similar to Amazon Kindle Fire HDX 8.9's battery lifetime.
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