| Global Score | |
| 52.9 | 57.6 |
| Basic Information | |
| Samsung | T-Mobile |
| Android 4.4 | Android 10 |
| -- | 2020-09-04 |
| 4.32 x 2.36 x 0.46 inches | 6.26 x 2.99 x 0.32 inches |
| 3.80 ounces | 5.59 ounces |
| Black and White | Graphite |
| -- | Plastic |
| $ 120.00 | $ 105.00 |
| Display / Screen | |
| 3.5 inches | 6.2 inches |
| 320 x 480 pixels | 1520 x 720 pixels |
| TFT | LCD |
| 165 pixels per inch | 271 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 6.7 | 7.2 |
| Performance | |
| Spreadtrum SC6815 chipset | MediaTek Helio A22 chipset |
| ARM Cortex-A7 (Single-Core 1000 MHz) processor | ARM Cortex-A53, 64-bit, 12 nm (Quad-Core 2000 MHz) processor |
| 512 MB RAM | 2 GB RAM |
| ARM Mali-400 MP1 (320 MHz) GPU | PowerVR GE8300 GPU |
| 7.56 | 8.73 |
| Storage | |
| 4 GB internal memory | 32 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 3.82 | 8.88 |
| Camera | |
| 2.00 MP | 13.00 MP + 5.00 MP |
| 640 x 480 (24 fps) (VGA) video resolution | 1920 x 1080 (Full HD) video resolution |
| 5.28 | 6.93 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM |
| 2.8 | 6.7 |
| Battery Life | |
| 1300mAh Battery | 3500mAh Battery |
| Removable Battery | Non-Removable Battery |
| 12 hours talk time | -- |
| 3.04 | 5.44 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
T-Mobile Revvl 4 has a general score of 57.6, which is a bit better than Samsung Galaxy Star 2's 52.9 score. The T-Mobile Revvl 4 construction is heavier but notably thinner than the Samsung Galaxy Star 2. Both of these phones work with Android operating system, but the T-Mobile Revvl 4 has newer 10 version while Samsung Galaxy Star 2 has Android 4.4 version.
The T-Mobile Revvl 4 features a little bit better looking display than Galaxy Star 2, because it has a much better resolution of 720 x 1520px, a much bigger screen and a lot greater pixels amount per inch of screen. T-Mobile Revvl 4 counts with a quite better processing power than Galaxy Star 2, because although it has doesn't have a graphics processing unit, it also counts with 1,5 GB more RAM memory and a higher number of cores.
The T-Mobile Revvl 4 counts with a much bigger memory capacity to install applications and games than Galaxy Star 2, because it has a SD memory card expansion slot that holds up to 256 GB and 32 GB internal storage capacity. The T-Mobile Revvl 4 takes much better photographs and videos than Galaxy Star 2, because it has a much better (Full HD) video resolution and a much better resolution back-facing camera.
T-Mobile Revvl 4 counts with a really longer battery life than Galaxy Star 2, because it has a 169% larger battery capacity.
T-Mobile Revvl 4 is not only the best phones in this comparison, but it's also the cheapest one.
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