Product
Vivo V7
Vivo V7
Xiaomi Mi Note 3
Xiaomi Mi Note 3
Battery
Charging - 18W wired, QC3
Type Li-Ion 3000 mAh, non-removable Li-Ion 3500 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass 4), glass back, aluminum frame
Dimensions 149.3 x 72.8 x 7.9 mm (5.88 x 2.87 x 0.31 in) 152.6 x 74 x 7.6 mm (6.01 x 2.91 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 139 g (4.90 oz) 163 g (5.75 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
Infrared port - Yes
NFC No Yes
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 b/g/n, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 4
Resolution 720 x 1440 pixels, 18:9 ratio (~282 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 5.7 inches, 83.8 cm2 (~77.1% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2017, November. Released 2017, December 2017, September. Released 2017, September
Status Discontinued Discontinued
Main Camera
Dual - 12 MP, f/1.8, 27mm (wide), PDAF, 4-axis OIS 12 MP, f/2.6, 52mm (telephoto), AF, 2x optical zoom
Features LED flash, HDR Dual-LED dual-tone flash, HDR, panorama
Single 16 MP, f/2.0, 1/3.0", 1.0µm, PDAF -
Video 1080p@30fps 4K@30fps, 720p@120fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 4GB RAM 64GB 6GB RAM, 128GB 6GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Champagne Gold, Matte Black, Energetic Blue Black, Blue
Models 1718 MCE8
SAR 0.94 W/kg (head)     0.67 W/kg (body)     0.50 W/kg (head)     1.54 W/kg (body)    
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 40, 41 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  1, 3, 5, 8, 38, 40, 41 - India CDMA2000 1xEV-DO
Our Tests
Audio quality Noise -93.5dB / Crosstalk -83.1dB -
Battery (old) Endurance rating 77h -
Camera Photo / Video -
Display Contrast ratio: 1593:1 (nominal), 2.404 (sunlight) -
Loudspeaker Voice 65dB / Noise 73dB / Ring 83dB -
Performance AnTuTu: 71167 (v7) GeekBench: 3935 (v4.4) GFXBench: 6.6fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 506 Adreno 512
OS Android 7.1.2 (Nougat), Funtouch 3.2 Android 7.1 (Nougat), upgradable to Android 9, MIUI 12
Selfie camera
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz audio