| Product |
Vivo V9 Youth
|
Xiaomi Redmi Note 4 (MediaTek)
|
| Battery |
| Type |
Li-Ion 3260 mAh, non-removable |
Li-Po 4100 mAh, non-removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
Glass front, aluminum back, aluminum frame |
| Dimensions |
154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) |
151 x 76 x 8.4 mm (5.94 x 2.99 x 0.33 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Micro-SIM |
| Weight |
150 g (5.29 oz) |
175 g (6.17 oz) |
| Comms |
| Bluetooth |
4.2, A2DP, LE |
4.2, A2DP, LE |
| Infrared port |
- |
Yes |
| NFC |
No |
No |
| Positioning |
GPS, GLONASS, BDS |
GPS, GLONASS, BDS |
| Radio |
FM radio, recording |
FM radio |
| USB |
microUSB 2.0, OTG |
microUSB 2.0, OTG |
| 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 |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~400 ppi density) |
1080 x 1920 pixels, 16:9 ratio (~401 ppi density) |
| Size |
6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) |
5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Launch |
| Announced |
2018, April. Released 2018, April |
2016, August. Released 2016, August |
| 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, HDR, panorama |
| Single |
- |
13 MP, f/2.0, PDAF |
| Video |
1080p@30fps |
1080p@30fps, 720p@120fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (uses shared SIM slot) |
| Internal |
32GB 4GB RAM, 64GB 4GB RAM |
16GB 2GB RAM (Standard), 64GB 3GB RAM (High), 64GB 4GB RAM (Exclusive) |
| |
eMMC 5.1 |
- |
| Misc |
| Colors |
Champagne Gold, Pearl Black, Red |
Silver, Gray, Gold, Blue, Black |
| Models |
1727, 1726 |
- |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 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, 5, 7, 8, 38, 39, 40, 41 |
| Speed |
HSPA, LTE |
HSPA, LTE |
| Technology |
GSM / HSPA / LTE |
GSM / CDMA / HSPA / LTE |
| |
- |
CDMA 800 & TD-SCDMA |
| Our Tests |
| Battery (old) |
- |
Endurance rating 83h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1158 (nominal), 2.145 (sunlight) |
| Loudspeaker |
- |
Voice 64dB / Noise 67dB / Ring 76dB |
| Performance |
- |
Basemark OS II 2.0: 1728Basemark X: 13666 |
| Platform |
| Chipset |
Qualcomm SDM450 Snapdragon 450 (14 nm) |
Mediatek MT6797 Helio X20 (20 nm) |
| CPU |
Octa-core 1.8 GHz Cortex-A53 |
Deca-core 2.1 GHz |
| GPU |
Adreno 506 |
Mali-T880 MP4 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 6.0 (Marshmallow), 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 |
720p |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
| |
- |
24-bit/192kHz audio |
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