Comparisons / Comparison of Xiaomi Redmi S2 (Redmi Y2) and Vivo Y91i (India)

Comparison of Xiaomi Redmi S2 (Redmi Y2) and Vivo Y91i (India) [S]ave

Attribute
Xiaomi Redmi S2 (Redmi Y2) ×
Vivo Y91i (India) ×
General
BrandXiaomiVivo
Launch
Announced2018-05-012019-03-01
Body
Width (mm)8.18.3
Length (mm)160.7155.1
Height (mm)77.375.1
Weight (g)170163.5
SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
FrontGlass-
BackPlastic-
FramePlastic-
Network
Technology
  • CDMA
  • GSM
  • HSPA
  • LTE
  • GSM
  • HSPA
  • LTE
2G bands
  • CDMA 800 & TD
  • GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • GSM 850 / 900 / 1800 / 1900
3G bands
  • HSDPA 850 / 900 / 1900 / 2100
  • HSDPA 850 / 900 / 2100
4G bands
  • 1, 3, 4, 5, 7, 8, 20, 38, 40 - Global
  • 1, 3, 5, 40, 41 - India
  • 1, 3, 5, 7, 8, 34, 38, 39, 40, 41
  • 1, 3, 5, 7, 8, 38, 40, 41
  • 1, 3, 5, 8, 40
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Platform
OSAndroid 8.1 (Oreo)Android 8.1 (Oreo)
ChipsetQualcomm MSM8953 Snapdragon 625 (14 nm)Mediatek MT6762 Helio P22 (12 nm)
CPUOcta-core 2.0 GHz Cortex-A53Octa-core 2.0 GHz Cortex-A53
GPUAdreno 506PowerVR GE8320
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 16GB 2GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Display
Size (in)5.996.22
Resolution (px)720 x 1440720 x 1520
Display TypeIPS LCDIPS LCD
Battery
TypeLi-PoLi-Po
ChargingCharging 10W-
Capcity (mAh)30804030
Main Camera
Main Camera TypeDualSingle
Main Camera Properties
  • 12 MP, f/2.2, 1.25μm, PDAF
  • 5 MP, f/2.4, (depth)
  • 13 MP, f/2.2, PDAF
Main Camera Video1080p@30fps (gyro-EIS)1080p@30fps
Main Camera FeaturesLED flash, panorama, HDRLED flash, panorama
Selfie Camera
Selfie Camera TypeSingleSingle
Selfie Camera Properties
  • 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
  • 5 MP, f/1.8
Selfie Camera Video1080p@30fps-
Selfie Camera FeaturesHDR, LED flash-
Comms
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, LE5.0, A2DP, LE
GPS++
NFC--
RadioFM radioFM radio
USBmicroUSB 2.0microUSB 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (rear-mounted)
  • accelerometer
  • compass
  • gyro
  • proximity
  • Accelerometer
  • compass
  • proximity
Misc
Colors
  • Gold
  • Gray
  • Mesmerising Blue
  • Rose Gold
  • Stunning Black
  • Fusion Black
  • Ocean Blue
  • Sunset Red
Models
  • M1803E6G
  • M1803E6H
  • M1803E6I
  • 1820_19
SAR Head (W/kg)0.431.28
SAR Body (W/kg)1.580.61
Infrared portYes-



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