Product
Vivo V7+
Vivo V7+
Xiaomi Redmi 4 Prime
Xiaomi Redmi 4 Prime
Battery
Charging - 10W wired
Type Li-Ion 3225 mAh, non-removable Li-Po 4100 mAh, non-removable
Body
Build Glass front (Gorilla Glass 4), plastic back, plastic frame Glass front, aluminum back, aluminum frame
Dimensions 155.9 x 75.8 x 7.7 mm (6.14 x 2.98 x 0.30 in) 141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in)
SIM Nano-SIM + Nano-SIM Hybrid Dual SIM
Weight 160 g (5.64 oz) 156 g (5.50 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 microUSB 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 -
Resolution 720 x 1440 pixels, 18:9 ratio (~269 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Size 5.99 inches, 92.6 cm2 (~78.4% screen-to-body ratio) 5.0 inches, 68.9 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, compass
Launch
Announced 2017, September. Released 2017, September 2016, November. Released 2016, November
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR Dual-LED dual-tone flash, HDR, panorama
Single 16 MP, f/2.0, 1/3.0", 1.0µm, PDAF 13 MP, f/2.2, PDAF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 32GB 4GB RAM, 64GB 4GB RAM 32GB 3GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Champagne Gold, Matte Black, Infinite Red Gold, Dark Gray, Silver
Models 1716, 1850, Y79A -
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, 7, 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
  - CDMA2000 1xEV-DO & TD-SCDMA
Our Tests
Audio quality Noise -93.6dB / Crosstalk -86.9dB -
Battery (old) - Endurance rating 91h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1782:1 (nominal), 2.6717 (sunlight) -
Loudspeaker Voice 66dB / Noise 73dB / Ring 79dB -
Performance GeekBench: 3912 (v4.4) GFXBench: 6.6fps (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 6.0.1 (Marshmallow), MIUI 8
Selfie camera
Features LED flash -
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 5 MP, f/2.2
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  32-bit/192kHz audio -