Product
Vivo U3
Vivo U3
₹13,311
Xiaomi Redmi 8
Xiaomi Redmi 8
₹11,016
Battery
Charging 18W wired 5W reverse wired 18W wired
Type 5000 mAh, non-removable Li-Po 5000 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front (Gorilla Glass 5), plastic back, plastic frame
Dimensions 162.2 x 76.5 x 8.9 mm (6.39 x 3.01 x 0.35 in) 156.5 x 75.4 x 9.4 mm (6.16 x 2.97 x 0.37 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 188 g (6.63 oz)
  - Water-repellent coating
Comms
Bluetooth 5.0, A2DP, LE, aptX 4.2, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio Wireless FM radio (no wired headphones required)
USB microUSB 2.0, OTG USB Type-C 2.0, OTG
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
Protection - Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 720 x 1520 pixels, 19:9 ratio (~270 ppi density)
Size 6.53 inches, 104.7 cm2 (~84.4% screen-to-body ratio) 6.22 inches, 96.6 cm2 (~81.8% screen-to-body ratio)
Type IPS LCD IPS LCD, 400 nits (typ)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2019, October. Released 2019, October 2019, October 09. Released 2019, October 12
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single - 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 2 MP, (depth)
Triple 16 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 13mm (ultrawide) 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM 32GB 3GB RAM, 64GB 4GB RAM
  UFS 2.1 eMMC 5.1
Misc
Colors Black, Blue, Green Onyx Black, Ruby Red, Sapphire Blue, Phantom Red
Models V1941A, V1941T M1908C3IC, MZB8255IN, M1908C3IG, M1908C3IH
SAR - 0.34 W/kg (head)     1.00 W/kg (body)    
SAR EU - 0.23 W/kg (head)     1.48 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global
4G bands 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global
Speed HSPA, LTE HSPA, LTE
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  CDMA 800 & TD-SCDMA 1, 3, 5, 8, 40, 41 - India
Platform
Chipset Qualcomm SDM675 Snapdragon 675 (11 nm) Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
GPU Adreno 612 Adreno 505
OS Android 9.0 (Pie), Funtouch 9.0 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Features HDR HDR
Single 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.0, 1/4.0", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
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