Product
Vivo V7
Vivo V7
Vivo Z1x
Vivo Z1x
Battery
Charging - 22.5W wired 5W reverse wired
Type Li-Ion 3000 mAh, non-removable 4500 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 149.3 x 72.8 x 7.9 mm (5.88 x 2.87 x 0.31 in) 159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 139 g (4.90 oz) 189.6 g (6.70 oz)
Comms
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE, aptX
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio FM radio, recording FM radio
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
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
Resolution 720 x 1440 pixels, 18:9 ratio (~282 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
Size 5.7 inches, 83.8 cm2 (~77.1% screen-to-body ratio) 6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, proximity, compass
Launch
Announced 2017, November. Released 2017, December 2019, September. Released 2019, September
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single 16 MP, f/2.0, 1/3.0", 1.0µm, PDAF -
Triple - 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 4GB RAM 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Champagne Gold, Matte Black, Energetic Blue Fusion Blue, Phantom Purple
Models 1718 1917, PD1921F_EX
SAR 0.94 W/kg (head)     0.67 W/kg (body)     1.03 W/kg (head)     0.55 W/kg (body)    
Network
2G bands GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 40, 41 1, 3, 5, 8, 38, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 8, 38, 40, 41 - India -
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 SDM712 Snapdragon 712 (10 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
GPU Adreno 506 Adreno 616
OS Android 7.1.2 (Nougat), Funtouch 3.2 Android 9.0 (Pie), upgradable to Android 10, Funtouch 10
Selfie camera
Features - HDR
Single 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes