| Global Score | |
| 68.5 | 64.8 |
| Basic Information | |
| Amazon | Samsung |
| Android 4.2.2 | Android 4.0.4, 3.2 |
| 2013-09-25 | 2011-09-01 |
| 9.09 x 6.22 x 0.31 inches | 7.74 x 5.24 x 0.31 inches |
| 13.55 ounces | 11.82 ounces |
| Black | -- |
| -- | Scratch-Resistant Glass |
| -- | $ 675.00 |
| Display / Screen | |
| 8.9 inches | 7.7 inches |
| 2560 x 1600 pixels | 1280 x 800 pixels |
| LCD | Super AMOLED Plus |
| 339 pixels per inch | 196 pixels per inch |
| 400 cd/m2 brightness | -- |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9 | 7.4 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8074 chipset | -- |
| Krait 400 (Quad-Core 2200 MHz) processor | Dual-Core 1400 MHz processor |
| 2 GB (800 MHz) RAM | 1 GB RAM |
| Adreno 330 (450 MHz) GPU | ARM Mali-400 MP1 (320 MHz) GPU |
| 9.18 | 8.19 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSD, microSDHC (up to 32 GB) external memory slot |
| 7.7 | 9.02 |
| Camera | |
| 8.00 MP | 3.00 MP + 2.00 MP |
| f/2.20 aperture | -- |
| -- | 1280 x 720 (HD) video resolution |
| 6.82 | 5.61 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE (4G), HSPA, UMTS, EDGE and GPRS | HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE and GSM |
| -- | SIM |
| 6.4 | 3.9 |
| Battery Life | |
| -- | 5100mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 1.36 | 6.88 |
| Other Features | |
| Bluetooth | Bluetooth 3.0 |
| GPS | GPS |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
Amazon Kindle Fire HDX 8.9 has a global score of 68.5, which is a bit better than Galaxy Tab 7.7's overall score of 64.8. The Amazon Kindle Fire HDX 8.9 is a heavier tablet than the Galaxy Tab 7.7, but both are 0.31inches thick. Both tablets in this review use Android OS (Operating System), but Amazon Kindle Fire HDX 8.9 has a newer 4.2.2 version while Galaxy Tab 7.7 has Android 4.0.4 version, so it provides the user lots of additional features.
Amazon Kindle Fire HDX 8.9 counts with a greater processing power than Galaxy Tab 7.7, because it has more RAM memory, a better graphics processor working at 450 MHz and 2 more cores. The Amazon Kindle Fire HDX 8.9 counts with an incredibly better looking screen than Samsung Galaxy Tab 7.7, because it has a bigger screen, a much better 1600 x 2560 resolution and a much higher pixel density.
Amazon Kindle Fire HDX 8.9 shoots a lot better videos and photos than Samsung Galaxy Tab 7.7, because it has a lot better resolution camera in the back. Samsung Galaxy Tab 7.7 features a better memory to install games and applications than Amazon Kindle Fire HDX 8.9, and although they both have exactly the same internal memory, the Samsung Galaxy Tab 7.7 also has a slot for an external memory card that admits a maximum of 32 GB.
Samsung Galaxy Tab 7.7 counts with a very superior battery lifetime than Amazon Kindle Fire HDX 8.9.
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