Product
Vivo Z1i
Vivo Z1i
₹18,407
Xiaomi Redmi 3x
Xiaomi Redmi 3x
₹17,384
Battery
Charging - 10W wired
Type Li-Ion 3260 mAh, non-removable Li-Ion 4100 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front, aluminum/plastic back, aluminum frame
Dimensions 154.8 x 75 x 7.9 mm (6.09 x 2.95 x 0.31 in) 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Micro-SIM
Weight 149.3 g (5.26 oz) 144 g (5.08 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.1, A2DP
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio 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 b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 2280 pixels, 19:9 ratio (~403 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size 6.26 inches, 97.8 cm2 (~84.2% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, July. Released 2018, July 2016, June. Released 2016, July
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, (depth) -
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single - 13 MP, f/2.0, PDAF
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM, 128GB 8GB RAM 32GB 2GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Black, Red Gold, Dark Gray, Silver
Models V1730DA, V1730DT -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1700(AWS) / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 39, 40, 41 1, 3, 7, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  CDMA 800 & TD-SCDMA CDMA2000 1xEV-DO
Platform
Chipset Qualcomm SDM636 Snapdragon 636 (14 nm) Qualcomm MSM8937 Snapdragon 430 (28 nm)
CPU Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver) Octa-core 1.4 GHz Cortex-A53
GPU Adreno 509 Adreno 505
OS Android 8.1 (Oreo), Funtouch 4 Android 6.0.1 (Marshmallow), MIUI 7.3
Selfie camera
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 5 MP, f/2.2
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
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