| Global Score | |
| 54.3 | 68.5 |
| Basic Information | |
| Nvidia | Amazon |
| Android | Android 4.2.2 |
| -- | 2013-09-25 |
| 8.80 x 5.00 x 0.36 inches | 9.09 x 6.22 x 0.31 inches |
| 13.76 ounces | 13.55 ounces |
| -- | Black |
| $ 239.00 | -- |
| Display / Screen | |
| 8 inches | 8.9 inches |
| 1200 x 1920 pixels | 2560 x 1600 pixels |
| -- | LCD |
| 283 pixels per inch | 339 pixels per inch |
| -- | 400 cd/m2 brightness |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 7.8 | 9 |
| Performance | |
| NVIDIA Tegra K1 chipset | Qualcomm Snapdragon 800 MSM8074 chipset |
| ARM Cortex-A15 (Quad-Core 2200 MHz) processor | Krait 400 (Quad-Core 2200 MHz) processor |
| 2 GB RAM | 2 GB (800 MHz) RAM |
| GK20A GPU | Adreno 330 (450 MHz) GPU |
| 8.91 | 9.18 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD external memory slot | No SD card slot |
| 5.8 | 7.7 |
| Camera | |
| 5.00 MP + 5.00 MP | 8.00 MP |
| -- | f/2.20 aperture |
| 6.16 | 6.82 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA, EDGE and GPRS | LTE (4G), HSPA, UMTS, EDGE and GPRS |
| Micro SIM | -- |
| 5.7 | 6.4 |
| Removable Battery | Non-Removable Battery |
| 1.36 | 1.36 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth |
| GPS | GPS |
| Accelerometer, Compass, Gyroscope and Light Sensor | Accelerometer, Gyroscope and Light Sensor |
Amazon Kindle Fire HDX 8.9 is much better than Nvidia SHIELD, getting a general score of 68.5 against 54.3. The Amazon Kindle Fire HDX 8.9 construction is somewhat thinner and a little lighter than Nvidia SHIELD. The Amazon Kindle Fire HDX 8.9 features a bit better performance than Nvidia SHIELD, and although they both have the same RAM amount and 4 processing cores, the Amazon Kindle Fire HDX 8.9 also has an extra graphics processing unit.
Amazon Kindle Fire HDX 8.9 has a more vivid screen than Nvidia SHIELD, because it has a quite bigger display, a just a little better display density and a higher resolution of 1600 x 2560px. Amazon Kindle Fire HDX 8.9 counts with a better camera than Nvidia SHIELD, because it has a back camera with a much higher 8 megapixels resolution.
Amazon Kindle Fire HDX 8.9 has a superior memory capacity for apps and games than Nvidia SHIELD, because although it has no SD extension slot, it also counts with more internal memory. The Amazon Kindle Fire HDX 8.9's battery life is just as good as Nvidia SHIELD's battery life.
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