| Product |
Xiaomi Mi 4
|
Vivo Z1x
|
| Battery |
| Charging |
18W wired, QC2 |
22.5W wired
5W reverse wired |
| Stand-by |
Up to 280 h (3G) |
- |
| Type |
Li-Ion 3080 mAh, non-removable |
4500 mAh, non-removable |
| Body |
| Build |
Glass front, plastic back, aluminum frame |
Glass front, plastic back, plastic frame |
| Dimensions |
139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) |
159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in) |
| SIM |
Micro-SIM |
Nano-SIM + Nano-SIM |
| Weight |
149 g (5.26 oz) |
189.6 g (6.70 oz) |
| Comms |
| Bluetooth |
4.0, A2DP |
5.0, A2DP, LE, aptX |
| Infrared port |
Yes |
- |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS |
| Radio |
FM radio |
FM radio |
| USB |
microUSB 2.0, OTG |
USB Type-C 2.0, OTG |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Display |
| Resolution |
1080 x 1920 pixels, 16:9 ratio (~441 ppi density) |
1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density) |
| Size |
5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) |
6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio) |
| Type |
IPS LCD |
Super AMOLED |
| Features |
| Sensors |
Accelerometer, gyro, proximity, compass, barometer |
Fingerprint (under display, optical), accelerometer, proximity, compass |
| Launch |
| Announced |
2014, July. Released 2014, August |
2019, September. Released 2019, September |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Features |
LED flash, panorama, HDR |
LED flash, HDR, panorama |
| Single |
13 MP, f/1.8, 1/3.1", 1.12µm, AF |
- |
| Triple |
- |
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide)
2 MP, f/2.4, (depth) |
| Video |
4K@30fps, 1080p@30fps, 720p@120fps, HDR |
4K@30fps, 1080p@30fps |
| Memory |
| Card slot |
No |
No |
| Internal |
16GB 2GB RAM, 64GB 3GB RAM |
64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| |
eMMC 5.0 |
UFS 2.1 |
| Misc |
| Colors |
Black, White |
Fusion Blue, Phantom Purple |
| Models |
2014215 |
1917, PD1921F_EX |
| SAR |
0.71 W/kg (head) 0.85 W/kg (body) |
1.03 W/kg (head) 0.55 W/kg (body) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 - all versions |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
TD-SCDMA - 4G model |
HSDPA 850 / 900 / 2100 |
| 4G bands |
38, 39, 40 - 4G model |
1, 3, 5, 8, 38, 40, 41 |
| EDGE |
Yes |
- |
| GPRS |
Yes |
- |
| Speed |
HSPA, LTE, EV-DO Rev.A 3.1 Mbps |
HSPA, LTE |
| Technology |
GSM / CDMA / HSPA / EVDO / LTE |
GSM / HSPA / LTE |
| |
CDMA2000 1xEV-DO - Telecom 3G model |
- |
| Our Tests |
| Audio quality |
Noise -91.6dB / Crosstalk -49.7dB |
- |
| Battery (old) |
Endurance rating 68h |
- |
| Camera |
Photo / Video |
- |
| Display |
Contrast ratio: 929 (nominal), 2.424 (sunlight) |
- |
| Loudspeaker |
Voice 62dB / Noise 62dB / Ring 66dB |
- |
| Platform |
| Chipset |
Qualcomm MSM8974AC Snapdragon 801 (28 nm) |
Qualcomm SDM712 Snapdragon 712 (10 nm) |
| CPU |
Quad-core 2.5 GHz Krait 400 |
Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver) |
| GPU |
Adreno 330 |
Adreno 616 |
| OS |
Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 |
Android 9.0 (Pie), upgradable to Android 10, Funtouch 10 |
| Selfie camera |
| Features |
- |
HDR |
| Single |
8 MP, f/1.8 |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
