Product
Vivo V7+
Vivo V7+
Xiaomi Mi A1 (Mi 5X)
Xiaomi Mi A1 (Mi 5X)
Battery
Charging - 10W wired
Type Li-Ion 3225 mAh, non-removable Li-Po 3080 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), plastic back, plastic frame Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions 155.9 x 75.8 x 7.7 mm (6.14 x 2.98 x 0.30 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 160 g (5.64 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 GPS, GLONASS, BDS
Radio FM radio, recording FM radio
USB microUSB 2.0, OTG USB Type-C 2.0
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 Corning Gorilla Glass 3
Resolution 720 x 1440 pixels, 18:9 ratio (~269 ppi density) 1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Size 5.99 inches, 92.6 cm2 (~78.4% 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 2017, September. Released 2017, September 2017, September. Released 2017, September
Status Discontinued Discontinued
Main Camera
Dual - 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 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, 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, Matte Black, Infinite Red Black, Gold, Rose Gold, Red
Models 1716, 1850, Y79A MDG2, MDI2
SAR - 1.75 W/kg (head)     0.76 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 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 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 -93.6dB / Crosstalk -86.9dB Noise -91.0dB / Crosstalk -82.5dB
Battery (old) - Endurance rating 87h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1782:1 (nominal), 2.6717 (sunlight) Contrast ratio: 1570:1 (nominal), 2.689 (sunlight)
Loudspeaker Voice 66dB / Noise 73dB / Ring 79dB Voice 74dB / Noise 73dB / Ring 90dB
Performance GeekBench: 3912 (v4.4) GFXBench: 6.6fps (ES 3.1 onscreen) 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 7.1.2 (Nougat), Funtouch 3.2 Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One
Selfie camera
Features LED flash -
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 5 MP
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz audio -