| Product |
Vivo V9 Youth
|
Xiaomi Mi 4c
|
| Battery |
| Charging |
- |
18W wired, QC2, 40% in 60 min |
| Type |
Li-Ion 3260 mAh, non-removable |
Li-Ion 3080 mAh, non-removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
Glass front, plastic back, plastic frame |
| Dimensions |
154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
| SIM |
Nano-SIM + Nano-SIM |
Dual SIM |
| Weight |
150 g (5.29 oz) |
132 g (4.66 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
4.1, A2DP |
| Infrared port |
- |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio, recording |
No |
| USB |
microUSB 2.0, OTG |
USB Type-C |
| WLAN |
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~400 ppi density) |
1080 x 1920 pixels, 16:9 ratio (~441 ppi density) |
| Size |
6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) |
5.0 inches, 68.9 cm2 (~71.7% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2018, April. Released 2018, April |
2015, September. Released 2015, September |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
16 MP, PDAF
2 MP, (depth)
or
13 MP, PDAF
2 MP, (depth) (China only) |
- |
| Features |
Dual-LED flash, HDR, panorama |
Dual-LED dual-tone flash, panorama, HDR |
| Single |
- |
13 MP, f/2.0, 24mm (wide), 1/3.1", 1.12µm, PDAF |
| Video |
1080p@30fps |
1080p@30fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
32GB 4GB RAM, 64GB 4GB RAM |
16GB 2GB RAM, 32GB 3GB RAM |
| |
eMMC 5.1 |
eMMC 5.0 |
| Misc |
| Colors |
Champagne Gold, Pearl Black, Red |
White, grey, pink, yellow, blue |
| Models |
1727, 1726 |
Mi-4c |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands |
HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands |
1, 3, 5, 8, 38, 40, 41 |
1, 3, 7, 38, 39, 40, 41 |
| Speed |
HSPA, LTE |
HSPA, LTE Cat4 150/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| |
- |
TD-SCDMA |
| Our Tests |
| Audio quality |
- |
Noise -94.7dB / Crosstalk -95.3dB |
| Battery (old) |
- |
Endurance rating 52h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1609 (nominal), 2.574(sunlight) |
| Loudspeaker |
- |
Voice 73dB / Noise 66dB / Ring 77dB |
| Performance |
- |
Basemark OS II 2.0: 1233Basemark X: 12096 |
| Platform |
| Chipset |
Qualcomm SDM450 Snapdragon 450 (14 nm) |
Qualcomm MSM8992 Snapdragon 808 (20 nm) |
| CPU |
Octa-core 1.8 GHz Cortex-A53 |
Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) |
| GPU |
Adreno 506 |
Adreno 418 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 |
| Selfie camera |
| Single |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm |
5 MP, f/2.0 |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
