| Product |
Vivo V9 Youth
|
Xiaomi Mi A1 (Mi 5X)
|
| Battery |
| Charging |
- |
10W wired |
| Type |
Li-Ion 3260 mAh, non-removable |
Li-Po 3080 mAh, non-removable |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
Glass front (Gorilla Glass 3), aluminum back, aluminum frame |
| Dimensions |
154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) |
155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in) |
| SIM |
Nano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
150 g (5.29 oz) |
165 g (5.82 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 |
USB Type-C 2.0 |
| 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 |
Corning Gorilla Glass 3 |
| Resolution |
1080 x 2280 pixels, 19:9 ratio (~400 ppi density) |
1080 x 1920 pixels, 16:9 ratio (~403 ppi density) |
| Size |
6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) |
5.5 inches, 82.6 cm2 (~70.1% screen-to-body ratio) |
| Type |
IPS LCD |
IPS LCD |
| Features |
| Sensors |
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
Fingerprint (rear-mounted), accelerometer, gyro, proximity |
| Launch |
| Announced |
2018, April. Released 2018, April |
2017, September. Released 2017, September |
| Status |
Discontinued |
Discontinued |
| Main Camera |
| Dual |
16 MP, PDAF
2 MP, (depth)
or
13 MP, PDAF
2 MP, (depth) (China only) |
12 MP, f/2.2, 26mm (wide), 1/2.9", 1.25µm, PDAF
12 MP, f/2.6, 50mm (telephoto), 1.0µm, AF, 2x optical zoom |
| Features |
Dual-LED flash, HDR, panorama |
Dual-LED dual-tone flash, HDR, panorama |
| Video |
1080p@30fps |
4K@30fps, 1080p@30fps, 720p@120fps |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
microSDXC (uses shared SIM slot) |
| Internal |
32GB 4GB RAM, 64GB 4GB RAM |
32GB 4GB RAM, 64GB 4GB RAM |
| |
eMMC 5.1 |
eMMC 5.1 |
| Misc |
| Colors |
Champagne Gold, Pearl Black, Red |
Black, Gold, Rose Gold, Red |
| Models |
1727, 1726 |
MDG2, MDI2 |
| SAR |
- |
1.75 W/kg (head) 0.76 W/kg (body) |
| 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, 5, 7, 8, 20, 38, 40 |
| Speed |
HSPA, LTE |
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE |
| Our Tests |
| Audio quality |
- |
Noise -91.0dB / Crosstalk -82.5dB |
| Battery (old) |
- |
Endurance rating 87h |
| Camera |
- |
Photo / Video |
| Display |
- |
Contrast ratio: 1570:1 (nominal), 2.689 (sunlight) |
| Loudspeaker |
- |
Voice 74dB / Noise 73dB / Ring 90dB |
| Performance |
- |
GeekBench: 4292 (v4.4)
GFXBench: 3.5fps (ES 3.1 onscreen) |
| Platform |
| Chipset |
Qualcomm SDM450 Snapdragon 450 (14 nm) |
Qualcomm MSM8953 Snapdragon 625 (14 nm) |
| CPU |
Octa-core 1.8 GHz Cortex-A53 |
Octa-core 2.0 GHz Cortex-A53 |
| GPU |
Adreno 506 |
Adreno 506 |
| OS |
Android 8.1 (Oreo), Funtouch 4 |
Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One |
| Selfie camera |
| Single |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm |
5 MP |
| Video |
1080p@30fps |
1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
Yes |
| Loudspeaker |
Yes |
Yes |
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