Product
Vivo Z1i
Vivo Z1i
Xiaomi Redmi Pro
Xiaomi Redmi Pro
Battery
Type Li-Ion 3260 mAh, non-removable Li-Ion 4050 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front, aluminum back, aluminum frame
Dimensions 154.8 x 75 x 7.9 mm (6.09 x 2.95 x 0.31 in) 151.5 x 76.2 x 8.2 mm (5.96 x 3.00 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Micro-SIM
Weight 149.3 g (5.26 oz) 174 g (6.14 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio; recording
USB microUSB 2.0, OTG USB Type-C
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) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.26 inches, 97.8 cm2 (~84.2% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.2% screen-to-body ratio)
Type IPS LCD AMOLED
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, July. Released 2018, July 2016, July. Released 2016, August
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, (depth) 13 MP, f/2.0, PDAF 5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama Dual-LED dual-tone flash, HDR, panorama
Video 4K@30fps, 1080p@30fps 1080p@30fps, 720p@120fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM, 128GB 8GB RAM 32GB 3GB RAM, 64GB 3GB RAM, 128GB 4GB RAM (Exclusive edition)
eMMC 5.1 -
Misc
Colors Black, Red Silver, Gold, Gray
Models V1730DA, V1730DT -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 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, 5, 7, 8, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
CDMA 800 & TD-SCDMA TD-SCDMA
Our Tests
Battery (old) - Endurance rating 80h
Camera - Photo / Video
Performance - Basemark OS II 2.0: 1696Basemark X: 23846
Platform
Chipset Qualcomm SDM636 Snapdragon 636 (14 nm) Mediatek MT6797T Helio X25 (20 nm) - High & Exclusive editionsMediatek MT6797 Helio X20 (20 nm) - Standard edition
CPU Octa-core (4x1.8 GHz Kryo 260 Gold & 4x1.6 GHz Kryo 260 Silver) Deca-core 2.5 GHz - Exclusive editionDeca-core 2.3 GHz - High editionDeca-core 2.1 GHz - Standard edition
GPU Adreno 509 Mali-T880 MP4
OS Android 8.1 (Oreo), Funtouch 4 Android 6.0 (Marshmallow), MIUI 10
Selfie camera
Single 5 MP, f/2.0
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes