Product
Vivo V9 Youth
Vivo V9 Youth
Xiaomi Mi Note
Xiaomi Mi Note
Battery
Charging - 18W wired, QC2
Type Li-Ion 3260 mAh, non-removable Li-Ion 3000 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame
Dimensions 154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) 155.1 x 77.6 x 7 mm (6.11 x 3.06 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Micro-SIM
Weight 150 g (5.29 oz) 161 g (5.68 oz)
Comms
Bluetooth 4.2, A2DP, LE 4.1, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio, recording No
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, hotspot
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 (~386 ppi density)
Size 6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2018, April. Released 2018, April 2015, January. Released 2015, January
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, AF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 4GB RAM, 64GB 4GB RAM 16GB 3GB RAM, 64GB 3GB RAM
  eMMC 5.1 eMMC 5.0
Misc
Colors Champagne Gold, Pearl Black, Red Black, White
Models 1727, 1726 -
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 / 1900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 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
Battery (old) - Endurance rating 48h
Camera - Photo / Video
Display - Contrast ratio: 1453:1 (nominal), 2.234 (sunlight)
Loudspeaker - Voice 75dB / Noise 68dB / Ring 83dB
Performance - Basemark OS II 2.0: 1353Basemark X: 13075
Platform
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Qualcomm MSM8974AC Snapdragon 801 (28 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Quad-core 2.5 GHz Krait 400
GPU Adreno 506 Adreno 330
OS Android 8.1 (Oreo), Funtouch 4 Android 4.4.4 (KitKat), upgradable to 6.0 (Marshmallow)
Selfie camera
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 4 MP, f/2.0, 1/3", 2µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 24-bit/192kHz audio