| Global Score | |
| 74.5 | 73.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.2 | -- |
| 2014-06-12 | 2015-09-03 |
| 8.38 x 4.94 x 0.26 inches | 7.82 x 5.31 x 0.22 inches |
| 10.51 ounces | 9.59 ounces |
| Black and White | -- |
| -- | Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 166.00 | -- |
| Display / Screen | |
| 8.4 inches | 8 inches |
| 1600 x 2560 pixels | 2048 x 1536 pixels |
| Super AMOLED | Super AMOLED |
| 359 pixels per inch | 320 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.7 | 7.6 |
| Performance | |
| Exynos 5 Octa 5420 chipset | Samsung Exynos 7 Octa 5433 chipset |
| ARM Cortex-A15 (Quad-Core 1900 MHz + Quad-Core 1300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 1900 MHz) processor |
| 3 GB (933 MHz) RAM | 3 GB RAM |
| ARM Mali-T628 MP6 GPU | Mali-T760 MP6 GPU |
| 8.82 | 9 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 8.12 | 10.02 |
| Camera | |
| 8.00 MP + 2.10 MP | 8.00 MP + 2.10 MP |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 2560 x 1440 (Quad HD / 2K) video resolution |
| 7.48 | 6.38 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE (4G), HSPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Micro SIM | -- |
| 6.4 | 5.7 |
| Battery Life | |
| 4900mAh Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 29 hours talk time | -- |
| 6.72 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 4.1 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Light Sensor |
The Galaxy Tab S 8.4 has a score of 74.5, which is a little bit better than Galaxy Tab S2 8.0-inch's 73.6 score. The Galaxy Tab S 8.4 design is older, just a little bit heavier and thicker than Galaxy Tab S2 8.0-inch. The Galaxy Tab S 8.4 features a much better looking display than Galaxy Tab S2 8.0-inch, because it has a quite larger screen, a slightly higher 2560 x 1600 resolution and a just a bit higher pixels count in each screen inch.
Samsung Galaxy Tab S2 8.0-inch counts with a bit superior CPU than Samsung Galaxy Tab S 8.4. They have the same number of cores and 3 GB of RAM. The Galaxy Tab S2 8.0-inch features a very superior memory capacity for games and applications than Galaxy Tab S 8.4, and although they both have a SD memory slot that supports up to 128 GB, the Galaxy Tab S2 8.0-inch also has 64 GB internal storage.
The Samsung Galaxy Tab S 8.4 counts with greater battery life than Samsung Galaxy Tab S2 8.0-inch, because it has a 4900mAh battery size. Galaxy Tab S 8.4 counts with a much better camera than Samsung Galaxy Tab S2 8.0-inch. They have the same video quality, a 8 megapixels resolution back camera and the same video frame rates.
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