Product
Vivo Y91i
Vivo Y91i
₹9,990
Xiaomi Redmi 6
Xiaomi Redmi 6
₹10,499
Battery
Type 4030 mAh, non-removable Li-Po 3000 mAh, non-removable
Body
Build - Glass front, plastic back, plastic frame
Dimensions 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) 147.5 x 71.5 x 8.3 mm (5.81 x 2.81 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 163.5 g (5.78 oz) 146 g (5.15 oz)
Comms
Bluetooth 4.2, A2DP, LE 4.2, A2DP, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 720 x 1520 pixels, 19:9 ratio (~271 ppi density) 720 x 1440 pixels, 18:9 ratio (~295 ppi density)
Size 6.2 inches, 95.9 cm2 (~82.4% screen-to-body ratio) 5.45 inches, 76.7 cm2 (~72.7% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2018, November. Released 2018, November 2018, June. Released 2018, June
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) 12 MP, f/2.2, 1.25 μm, PDAF 5 MP, f/2.2, (depth)
Features LED flash, panorama LED flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 16GB 2GB RAM 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Starry Black, Ocean Blue, Red Black, Grey, Blue, Gold, Rose Gold
Models - M1804C3DG, M1804C3DH, M1804C3DI
SAR - 0.55 W/kg (head)     1.42 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / LTE
  - 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
Our Tests
Performance - AnTuTu: 75182 (v7) GeekBench: 3639 (v4.4) GFXBench: 4.8fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM439 Snapdragon 439 (12 nm) Mediatek MT6762 Helio P22 (12 nm)
CPU Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) Octa-core 2.0 GHz Cortex-A53
GPU Adreno 505 PowerVR GE8320
OS Android 8.1 (Oreo), Funtouch 4.5 Android 8.1 (Oreo), planned upgrade to Android 10, MIUI 12
Selfie camera
Single 8 MP, f/2.0 5 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
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