| Global Score | |
| 30.9 | 72.5 |
| Basic Information | |
| T-Mobile | Xiaomi |
| -- | Android 4.4.3 |
| 2009-10-07 | 2014-07-22 |
| 4.20 x 2.20 x 0.50 inches | 5.48 x 2.70 x 0.35 inches |
| 3.70 ounces | 5.26 ounces |
| -- | Black and White |
| $ 319.00 | $ 329.00 |
| Display / Screen | |
| 2.8 inches | 5 inches |
| 240 x 320 pixels (QVGA) | 1080 x 1920 pixels (Full HD) |
| TFT | IPS LCD |
| 143 pixels per inch | 441 pixels per inch |
| Yes | Capacitive, Multi-touch |
| 5.8 | 9.1 |
| Performance | |
| -- | Qualcomm Snapdragon 801 8974-AC chipset |
| processor | Qualcomm Krait 400 (Quad-Core 2500 MHz) processor |
| -- | 3 GB RAM |
| GPU | Adreno 330 (450 MHz) GPU |
| 5.76 | 9.36 |
| Storage | |
| -- | 16 GB internal memory |
| microSD, microSDHC external memory slot | No SD card slot |
| 0 | 4.4 |
| Camera | |
| 2.00 MP | 13.00 MP + 8.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 4.73 | 9.79 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| HSDPA, UMTS, EDGE and GSM | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| SIM | SIM |
| 0.9 | 7 |
| Battery Life | |
| 1150mAh Li-Ion Battery | 3080mAh Li-Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 240 hours standby time 5 hours talk time | -- |
| 2.8 | 5.04 |
| Other Features | |
| Bluetooth 2.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | Infra-red port |
| -- | Accelerometer, Compass, Light Sensor and Proximity Sensor |
The Xiaomi Mi 4 has a global score of 72.5, which is much better than T-Mobile Tap's 30.9 score. Xiaomi Mi 4's design is noticeably newer and noticeably thinner, but also extremely heavier than the T-Mobile Tap. Xiaomi Mi 4 has a much more powerful processor than T-Mobile Tap, because it has an extra graphics processor and 4 more cores.
The Xiaomi Mi 4 has a lot better screen than T-Mobile Tap, because it has a way larger display, a way better resolution of 1920 x 1080 pixels and a much better screen density. The Xiaomi Mi 4 features a way better camera than T-Mobile Tap, because it has a back-facing camera with a way higher 13 MP resolution.
The Xiaomi Mi 4 counts with a very superior storage capacity to install applications and games than T-Mobile Tap, although it has no SD memory card expansion slot. Xiaomi Mi 4 counts with a very superior battery lifetime than T-Mobile Tap, because it has 3080mAh of battery capacity.
The Xiaomi Mi 4 costs a bit more than T-Mobile Tap, but you can get a much better phone for that extra dollars.
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