Product
Vivo V9
Vivo V9
Xiaomi Redmi Note 5 AI Dual Camera
Xiaomi Redmi Note 5 AI Dual Camera
Battery
Charging - 18W wired, QC3
Type Li-Ion 3260 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass), aluminum back, aluminum frame
Dimensions 154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) 158.6 x 75.4 x 8.1 mm (6.24 x 2.97 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 150 g (5.29 oz) 181 g (6.38 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, 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
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass (unspecified version)
Resolution 1080 x 2280 pixels, 19:9 ratio (~400 ppi density) 1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Size 6.3 inches, 99.1 cm2 (~85.2% screen-to-body ratio) 5.99 inches, 92.6 cm2 (~77.4% 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, March. Released 2018, April 2018, March. Released 2018, March
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/2.0, PDAF 5 MP, f/2.4, (depth) 12 MP, f/1.9, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.0, (depth)
Features Dual-LED flash, HDR, panorama Dual-LED flash, panorama, HDR
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 4GB RAM 32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Gold, Black, Sapphire Blue Black, Gold, Rose Gold, Blue, Flame Red
Models 1723 M1803E7SG, M1803E7SH
SAR - 0.79 W/kg (head)     1.03 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
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, 34, 38, 39, 40, 41 - China
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  - 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 - Taiwan
Our Tests
Audio quality - Noise -89.4dB / Crosstalk -90.5dB
Battery (old) - Endurance rating 92h
Camera - Photo / Video
Display - Contrast ratio: 1893 (nominal), 3.393 (sunlight)
Loudspeaker - Voice 68dB / Noise 71dB / Ring 84dB
Performance - AnTuTu: 115195 (v7) GeekBench: 4918 (v4.4) GFXBench: 6fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8953-Pro Snapdragon 626 (14 nm) Qualcomm SDM636 Snapdragon 636 (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53 Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver)
GPU Adreno 506 Adreno 509
OS Android 8.1 (Oreo), Funtouch 4 Android 8.0 (Oreo), MIUI 9
Selfie camera
Features - LED flash
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes