Compare tablets
| Global Score | |
| 68.5 | 58 |
| Basic Information | |
| Amazon | Asus |
| Android 4.2.2 | Windows 8.1 |
| 2013-09-25 | 0000-00-00 |
| 9.09 x 6.22 x 0.31 inches | 9.53 x 5.39 x 0.30 inches |
| 13.55 ounces | 14.11 ounces |
| Black | -- |
| -- | $ 249.00 |
| Display / Screen | |
| 8.9 inches | 8.9 inches |
| 2560 x 1600 pixels | 1280 x 800 pixels |
| LCD | IPS LCD |
| 339 pixels per inch | 170 pixels per inch |
| 400 cd/m2 brightness | 400 cd/m2 brightness |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8074 chipset | Intel Atom Z3775 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | 64-bit 64-bit (Quad-Core 1460 MHz) processor |
| 2 GB (800 MHz) RAM | 2 GB RAM |
| Adreno 330 (450 MHz) GPU | Intel HD Graphics GPU |
| 9.18 | 9 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC external memory slot |
| 7.7 | 7.7 |
| Camera | |
| 8.00 MP | 5.00 MP + 2.00 MP |
| f/2.20 aperture | -- |
| 6.82 | 6.05 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE (4G), HSPA, UMTS, EDGE and GPRS | -- |
| 6.4 | 2.4 |
| Battery Life | |
| -- | Li-Polymer Battery |
| Non-Removable Battery | Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth | Bluetooth 4.0 |
| GPS | -- |
| Accelerometer, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
Comparison review
Amazon Kindle Fire HDX 8.9 is better than Asus Transformer Book T90 Chi, getting a 68.5 score against 58. The Amazon Kindle Fire HDX 8.9 comes with Android 4.2.2 OS, and Asus Transformer Book T90 Chi counts with Windows 8.1 OS. Amazon Kindle Fire HDX 8.9's design is just a bit thicker but just a bit lighter than Asus Transformer Book T90 Chi.
The Amazon Kindle Fire HDX 8.9 counts with a much sharper display than Asus Transformer Book T90 Chi, and although they both have a same size screen and the same display brightness, the Amazon Kindle Fire HDX 8.9 also has a much higher 1600 x 2560 resolution and a lot greater screen pixel density. Asus Transformer Book T90 Chi counts with as much storage for applications and games as Amazon Kindle Fire HDX 8.9, both have the same 64 GB internal storage.
The Amazon Kindle Fire HDX 8.9 has just a bit better performance than Asus Transformer Book T90 Chi, because although it has a 32 bits CPU instead of 64-bits, and they both have 2 GB of RAM memory and 4 CPU cores, the Amazon Kindle Fire HDX 8.9 also counts with an extra GPU. Amazon Kindle Fire HDX 8.9 and Asus Transformer Book T90 Chi feature very similar batteries.
Amazon Kindle Fire HDX 8.9 captures better videos and photos than Asus Transformer Book T90 Chi, because it has a camera in the back with lot more MP.
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