| Global Score | |
| 74.5 | 60.8 |
| Basic Information | |
| Samsung | Amazon |
| Android 4.4.2 | Android 4.2.2 |
| 2014-06-12 | 2013-09-25 |
| 8.38 x 4.94 x 0.26 inches | 7.32 x 5.04 x 0.35 inches |
| 10.51 ounces | 10.97 ounces |
| Black and White | Black |
| Scratch-Resistant Glass | -- |
| $ 166.00 | $ 100.00 |
| Display / Screen | |
| 8.4 inches | 7 inches |
| 1600 x 2560 pixels | 1920 x 1200 pixels |
| Super AMOLED | LCD |
| 359 pixels per inch | 323 pixels per inch |
| -- | 400 cd/m2 brightness |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 8.7 | 8.9 |
| Performance | |
| Exynos 5 Octa 5420 chipset | Qualcomm Snapdragon 800 8074 chipset |
| ARM Cortex-A15 (Quad-Core 1900 MHz + Quad-Core 1300 MHz) processor | Krait 400 (Quad-Core 2260 MHz) processor |
| 3 GB (933 MHz) RAM | 2 GB (800 MHz) RAM |
| ARM Mali-T628 MP6 GPU | Adreno 330 (450 MHz) GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 7.7 |
| Camera | |
| 8.00 MP + 2.10 MP | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 7.48 | 0 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA, UMTS, EDGE, GPRS and GSM | LTE (4G), HSPA, UMTS, EDGE and GPRS |
| Micro SIM | -- |
| 6.4 | 6.4 |
| Battery Life | |
| 4900mAh Battery | -- |
| Non-Removable Battery | Non-Removable Battery |
| 29 hours talk time | -- |
| 6.72 | 1.36 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth |
| GPS | GPS |
| Fingerprint ID Scanner | -- |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Light Sensor |
Samsung Galaxy Tab S 8.4 is much better than Amazon Kindle Fire HDX 7, getting a 74.5 score against 60.8. Both devices in our current comparison work with Android OS (Operating System), but Samsung Galaxy Tab S 8.4 has newer 4.4.2 version while Amazon Kindle Fire HDX 7 has Android 4.2.2. The Samsung Galaxy Tab S 8.4 construction is a lot thinner and just a little lighter than Amazon Kindle Fire HDX 7, even when both of them were only released 9 months apart.
Amazon Kindle Fire HDX 7 counts with a little more vivid screen than Galaxy Tab S 8.4, although it has a little bit lower pixel density, a way worse 1200 x 1920 pixels resolution and a bit smaller screen. Galaxy Tab S 8.4 has a bit bigger memory for apps and games than Amazon Kindle Fire HDX 7, because although it has 0 less internal storage capacity, it also counts with a slot for an SD memory card that supports a maximum of 128 GB.
The Amazon Kindle Fire HDX 7 counts with a little bit better hardware performance than Galaxy Tab S 8.4, because although it has lesser cpu cores and less RAM memory, it also counts with a graphics processing unit. The Galaxy Tab S 8.4 counts with a much better battery performance than Amazon Kindle Fire HDX 7.
Galaxy Tab S 8.4 shoots way better photographs and videos than Amazon Kindle Fire HDX 7.
The Galaxy Tab S 8.4 is a lot more expensive than the Amazon Kindle Fire HDX 7, but you can get a much better tablet for that few more dollars.
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